All Free Online Tools
Browse the complete ToolnixHub directory. Tools that rely on public services clearly explain the source and limitations.
Content & Writing Tools
Free structured generators and writing helpers for creators, businesses and everyday communication.
YouTube Title & Description GeneratorCreate structured YouTube title ideas, a clear video description, hashtags, tags and thumbnail text without an API or account.Product Description GeneratorTurn verified product facts into a short description, detailed listing, benefit bullets and call to action in your browser.Social Media Caption GeneratorCreate three structured caption options with a hook, key details, call to action and relevant hashtags without an external API.Blog Outline GeneratorBuild a people-first article structure with title ideas, reader intent, headings, talking points and FAQs using local templates.Email Reply GeneratorCreate a clear email subject and structured response from your context, desired outcome and tone without sending text to an external content provider.WhatsApp Business Reply GeneratorCreate three concise customer-reply templates in English, Roman Urdu or Urdu using only the details you enter.
Text Analysis Tools
Browser-based utilities for comparing, cleaning, transforming, summarizing and reviewing text.
Word CounterCount words, characters, sentences, paragraphs and estimated reading time instantly.Case ConverterConvert text to uppercase, lowercase, title case, sentence case or alternating case.URL Slug GeneratorConvert a title or phrase into a clean lowercase URL slug.Duplicate Line RemoverRemove repeated lines while preserving the original order of unique entries.Text Line SorterSort lines alphabetically, reverse alphabetically, numerically or by length.Plagiarism CheckerCompare two passages you provide, calculate matching-word and phrase similarity, and review overlap without pretending to search the entire web.Article RewriterRewrite supplied text with clear, concise, formal or friendly rule-based transformations while keeping the original meaning available for review.Free Grammar CheckerReview common spacing, punctuation, capitalization and repeated-word issues in English text, then copy a cleaned draft for manual proofreading.Paraphrasing ToolCreate an alternative wording of supplied text with transparent rule-based substitutions and sentence changes rather than a hidden paid AI model.Image To Text ConverterImage To Text Converter helps you extract readable text from a JPG, PNG or other supported image in your browser using optical character recognition.Text To ImageTurn a headline and short message into a downloadable social-style image with your selected colors and layout.JPG To WordExtract text from a JPG image and download the result as a simple Word-compatible document for further editing.Small Text GeneratorConvert normal letters into small Unicode-style characters for decorative profiles, captions and non-critical display text.Online Text EditorWrite, clean and format plain text in a distraction-free browser editor, then copy or download the result.Speech To TextUse your browser microphone and speech-recognition support to turn spoken words into editable text.AI Content DetectorReview sentence variation and formulaic writing patterns with an experimental heuristic that cannot prove whether AI was used.Text SummarizerCreate a shorter extractive summary by ranking important sentences from the text you provide without sending it to a paid AI service.OCROCR helps you extract readable text from a JPG, PNG or other supported image in your browser using optical character recognition.Image TranslatorExtract text from an image with OCR and prepare it for translation through a clearly labelled external translation link.Citation GeneratorFormat basic book, journal, website or video source details into a practical citation draft for manual verification.Invisible CharacterCopy a blank-looking Unicode character for supported display fields, testing and spacing tasks.AI WriterBuild a structured first draft from your topic, audience and verified points using local templates rather than a paid AI API.AI HumanizerReduce repetitive transitions and stiff wording with rule-based edits while keeping the original draft available for comparison.
Design Studio
Simple in-browser design makers for logos, resumes, posters, invitations, cards and memes.
Logo MakerCreate a simple downloadable logo maker concept from your own text, colors and details directly in the browser.Resume BuilderCreate a simple downloadable resume builder concept from your own text, colors and details directly in the browser.Flyer MakerCreate a simple downloadable flyer maker concept from your own text, colors and details directly in the browser.Poster MakerCreate a simple downloadable poster maker concept from your own text, colors and details directly in the browser.Invitation MakerCreate a simple downloadable invitation maker concept from your own text, colors and details directly in the browser.Business Card MakerCreate a simple downloadable business card maker concept from your own text, colors and details directly in the browser.Meme GeneratorCreate a simple downloadable meme generator concept from your own text, colors and details directly in the browser.EmojisCreate a simple downloadable emojis concept from your own text, colors and details directly in the browser.
Image Editing Tools
Compress, resize, crop, convert and prepare images locally in a modern browser.
Image CompressorCompress JPG, PNG or WebP images locally by controlling output quality.Image ResizerResize an image to custom pixel dimensions while optionally preserving its aspect ratio.Image Format ConverterConvert common browser-readable images to JPG, PNG or WebP locally.Color Picker and ConverterChoose a color and copy its HEX, RGB and HSL values.Reverse Image SearchReverse Image Search helps you open privacy-aware reverse image search options so you can investigate an image you own or are authorized to use.Face SearchFace Search helps you open privacy-aware reverse image search options so you can investigate an image you own or are authorized to use.Favicon GeneratorResize a selected image into downloadable favicon sizes for websites and browser tabs.Video To GIF ConverterVideo To GIF Converter helps you convert a short supported video clip into an animated GIF in the browser; large or long videos may exceed device limits.Photo Resizer In KBCompress and resize an image toward the file-size target indicated by Photo Resizer In KB, with an honest report when the exact target cannot be reached.Crop ImageCrop a selected image to custom coordinates and dimensions, preview the result and download the new file.Convert To JPGConvert a supported image into the output format indicated by Convert To JPG and download the result from your browser.RGB To HexConvert RGB color values to HEX and convert valid HEX colors back to RGB for design and development work.PNG To JPGConvert a supported image into the output format indicated by PNG To JPG and download the result from your browser.JPG To PNGConvert a supported image into the output format indicated by JPG To PNG and download the result from your browser.Compress Image to 50KBCompress and resize an image toward the file-size target indicated by Compress Image to 50KB, with an honest report when the exact target cannot be reached.Compress Image to 20KBCompress and resize an image toward the file-size target indicated by Compress Image to 20KB, with an honest report when the exact target cannot be reached.Compress JPEG to 100KBCompress and resize an image toward the file-size target indicated by Compress JPEG to 100KB, with an honest report when the exact target cannot be reached.Compress JPEG to 200KBCompress and resize an image toward the file-size target indicated by Compress JPEG to 200KB, with an honest report when the exact target cannot be reached.Compress JPGOptimize a supported image with practical browser compression for the format described by Compress JPG.Resize Image to 50KBCompress and resize an image toward the file-size target indicated by Resize Image to 50KB, with an honest report when the exact target cannot be reached.Resize Image to 100KBCompress and resize an image toward the file-size target indicated by Resize Image to 100KB, with an honest report when the exact target cannot be reached.Resize Image to 20KBCompress and resize an image toward the file-size target indicated by Resize Image to 20KB, with an honest report when the exact target cannot be reached.Reduce Image Size in KBCompress and resize an image toward the file-size target indicated by Reduce Image Size in KB, with an honest report when the exact target cannot be reached.Compress Image To 10KBCompress and resize an image toward the file-size target indicated by Compress Image To 10KB, with an honest report when the exact target cannot be reached.Compress JPEG To 30KBCompress and resize an image toward the file-size target indicated by Compress JPEG To 30KB, with an honest report when the exact target cannot be reached.Compress Image To 1MBCompress and resize an image toward the file-size target indicated by Compress Image To 1MB, with an honest report when the exact target cannot be reached.MB to KB ConverterConvert megabytes to kilobytes and related binary file-size units with a transparent numeric calculation.MP4 to GIF ConverterMP4 to GIF Converter helps you convert a short supported video clip into an animated GIF in the browser; large or long videos may exceed device limits.HEIC to JPG ConverterConvert a supported HEIC or HEIF photo into the format shown in HEIC to JPG Converter using a browser conversion library.HEIC to PNGConvert a supported HEIC or HEIF photo into the format shown in HEIC to PNG using a browser conversion library.SVG ConverterValidate and convert supported SVG markup into a downloadable SVG or rendered raster output.PNG to SVGPNG to SVG helps you wrap a raster image inside an SVG container for scalable placement; this does not trace the picture into editable vector paths.JPG to SVGJPG to SVG helps you wrap a raster image inside an SVG container for scalable placement; this does not trace the picture into editable vector paths.JPEG to SVGJPEG to SVG helps you wrap a raster image inside an SVG container for scalable placement; this does not trace the picture into editable vector paths.WEBP to PNGConvert a supported image into the output format indicated by WEBP to PNG and download the result from your browser.SVG to PNGRender a valid SVG file into a PNG image at your chosen dimensions.PNG to ICOCreate a browser-compatible ICO favicon from a PNG image with common icon sizes.AVIF to JPGConvert a supported image into the output format indicated by AVIF to JPG and download the result from your browser.JPEG OptimizerOptimize a supported image with practical browser compression for the format described by JPEG Optimizer.Compress PNGOptimize a supported image with practical browser compression for the format described by Compress PNG.Face Shape DetectorEstimate basic face proportions from a clear front-facing photo when the browser Face Detection API is available; results are not biometric identification.AI Image DetectorReview edge and smoothness patterns in an image with an experimental heuristic that cannot prove AI generation.
Keyword Research Tools
Practical keyword analysis helpers that use transparent calculations instead of hidden paid metrics.
Keyword PositionRecord a keyword and the search-result URLs you collected, then find the position of your target domain in that supplied list.Long Tail Keyword Suggestion ToolGenerate practical long-tail keyword variations from a seed topic, intent modifiers and audience terms.Keyword Difficulty CheckerEstimate keyword competition from transparent inputs such as phrase length, intent and the manual result data you provide; it is not a paid index score.
Backlink & Link Tools
Analyze link lists, inspect page links and prepare ethical outreach opportunities.
SEO & Meta Tools
Create and inspect metadata, crawl files, snippets and social sharing tags.
Keyword Density CheckerMeasure word and phrase frequency, keyword density and total content length directly in your browser.Meta Tag GeneratorGenerate clean title, description, canonical, robots and social metadata for a web page.Robots.txt GeneratorCreate a basic robots.txt file with crawl rules and a sitemap location.XML Sitemap GeneratorTurn a list of public URLs into a valid XML sitemap for search engine discovery.SERP Snippet Preview ToolPreview how a page title, URL and meta description may appear in a desktop search result.Open Graph Meta Tag GeneratorGenerate Open Graph and Twitter Card tags for more consistent social link previews.Meta Tags AnalyzerMeta Tags Analyzer helps you inspect title, description, robots, canonical, Open Graph, Twitter Card and heading metadata found in a public page response.Social Popularity CheckerCalculate transparent engagement rates from public profile URLs and follower or interaction figures you enter.Text To Code Ratio CheckerFetch a public webpage and estimate the ratio of visible text characters to downloaded HTML characters.
Website Diagnostics Tools
Check public pages, response headers, redirects, performance signals and technical page structure.
HTTP Headers CheckerInspect the final response status and public HTTP headers returned by a URL.Redirect CheckerFollow a public URL and display its redirect chain and final destination.SSL Certificate CheckerInspect the public TLS certificate, issuer, validity dates and remaining time for a hostname.Website SEO Score CheckerFetch a public page safely and calculate an explained technical SEO score from metadata, headings, HTTPS, mobile viewport, content and response signals.Online Ping Website ToolCheck a public website over HTTP, report status, redirects and server response timing from the ToolnixHub hosting location.Page Speed TestRequest official Google PageSpeed data when available and fall back to clearly labelled server timing when the API is unavailable or rate-limited.Website Page SnooperDownload and display a limited portion of a public page’s original HTML source without executing its JavaScript.Open Graph CheckerOpen Graph Checker helps you inspect title, description, robots, canonical, Open Graph, Twitter Card and heading metadata found in a public page response.Twitter Card GeneratorGenerate Twitter Card and Open Graph tags from your own title, description, URL and image details.Mobile Friendly TestCheck for mobile viewport and obvious fixed-width HTML signals using a transparent heuristic rather than a retired Google test.Video DownloaderInspect a direct public media URL and offer the file only when the response identifies supported media; it does not bypass DRM, login or platform pages.Facebook Video DownloaderFacebook Video Downloader helps you inspect and open an authorized social post link without bypassing login, DRM, access controls or platform download restrictions.Instagram Video DownloaderDownload media from public Instagram Reels and posts you own or are authorized to save. Preview the post, fetch the best public media file available to the server, and download videos or carousel images without signup.URL ShortenerCreate a short link through the public is.gd service and display the provider and privacy limitations.HTML ViewerPreview HTML you provide inside a sandboxed browser frame without granting scripts access to the ToolnixHub page.TikTok Video DownloaderTikTok Video Downloader helps you inspect and open an authorized social post link without bypassing login, DRM, access controls or platform download restrictions.PTCL Speed TestEstimate browser download speed with a lightweight test file when the connection and hosting environment allow it; this is not an official PTCL test.
Website Tracking Tools
Availability, browser, archive and indexing-assistance tools for public websites.
Check Server StatusCheck Server Status helps you check whether a public website responds over HTTP and report status, timing, redirects and the final URL.Google Cache CheckerCheck the Internet Archive Wayback index for an available historical capture instead of claiming access to retired Google Cache links.Page Authority CheckerPage Authority Checker helps you calculate a transparent ToolnixHub technical signal from public page factors; it is not Moz DA, Moz PA, Ahrefs DR or a Google score.Google Index CheckerGoogle Index Checker helps you create direct search-operator links that help you review possible indexing; only Search Console can provide authoritative data for a site you own.Alexa Rank CheckerLook for a current public Tranco popularity ranking when available and return no result rather than inventing a retired Alexa rank.Find Facebook IDExplain safe ways to locate public Facebook identifiers using official page information; private IDs and protected data are not extracted.GEO IP LocatorResolve a public domain or IP and display approximate network location and ISP information from a clearly labelled public geolocation service.What Is My BrowserDisplay browser, viewport, language, timezone, screen and device capability information available to the current page.Is It DownIs It Down helps you check whether a public website responds over HTTP and report status, timing, redirects and the final URL.
Domain & DNS Tools
DNS, RDAP, hosting and domain-signal utilities for public hostnames.
DNS Lookup ToolCheck common DNS records for a public domain using the ToolnixHub server.MX Record LookupFind the mail exchange records configured for a public domain.Domain to IP LookupResolve a public hostname to its IPv4 and IPv6 addresses.Domain Age CheckerQuery public RDAP registration data for a domain and summarize creation, update, expiry, status and nameserver information when available.Domain Authority CheckerDomain Authority Checker helps you calculate a transparent ToolnixHub technical signal from public page factors; it is not Moz DA, Moz PA, Ahrefs DR or a Google score.Domain Hosting CheckerCombine public DNS with IP network ownership data to estimate a domain’s CDN or hosting network, noting that proxies can hide the origin.Bulk Domain Rating CheckerRun the transparent ToolnixHub technical signal on a small batch of public domains without presenting it as proprietary Domain Rating.Index Pages CheckerIndex Pages Checker helps you create direct search-operator links that help you review possible indexing; only Search Console can provide authoritative data for a site you own.Spam Score CheckerReview visible technical and on-page risk signals with an explained heuristic; it is not Moz Spam Score or a malware verdict.
PDF Tools
Merge, split, rotate, extract, convert and compress PDF files in the browser where supported.
Merge PDFCombine two or more PDF files in your browser and download one merged document without uploading the pages to ToolnixHub.Rotate PDFRotate every page in a PDF by the selected angle and download a new browser-generated copy.Unlock PDFAttempt to create an unencrypted copy only when the browser library can read the PDF; strong encryption still requires the correct password and trusted software.Lock PDFCheck browser support for secure PDF password protection and explain the required trusted alternative when strong encryption is unavailable.PDF To WordExtract readable PDF text into a simple Word-compatible document; complex layouts, tables and scanned pages may need manual correction.Word To PDFExtract text from a supported Word file and create a simple PDF; advanced Word layout and embedded objects may not be reproduced.PDF To JPGRender PDF pages into JPG images and download the page images together in a ZIP file.PowerPoint To PDFConvert supported content for PowerPoint To PDF into a basic PDF when the browser can read it, with clear warnings for complex layouts.Compress PDFRe-render PDF pages with image compression to reduce size; searchable text and interactive features can be flattened.Excel To PDFConvert supported content for Excel To PDF into a basic PDF when the browser can read it, with clear warnings for complex layouts.Split PDFExtract the page numbers you choose into a new PDF file in the browser.Compress PDF to 50KBCompress a PDF toward the target shown in Compress PDF to 50KB; exact size is not guaranteed because page complexity varies.Compress PDF to 100KBCompress a PDF toward the target shown in Compress PDF to 100KB; exact size is not guaranteed because page complexity varies.Compress PDF to 150KBCompress a PDF toward the target shown in Compress PDF to 150KB; exact size is not guaranteed because page complexity varies.Compress PDF to 200KBCompress a PDF toward the target shown in Compress PDF to 200KB; exact size is not guaranteed because page complexity varies.Resize PDF to 200KBCompress a PDF toward the target shown in Resize PDF to 200KB; exact size is not guaranteed because page complexity varies.Compress PDF to 300KBCompress a PDF toward the target shown in Compress PDF to 300KB; exact size is not guaranteed because page complexity varies.Compress PDF to 500KBCompress a PDF toward the target shown in Compress PDF to 500KB; exact size is not guaranteed because page complexity varies.Compress PDF to 1MBCompress a PDF toward the target shown in Compress PDF to 1MB; exact size is not guaranteed because page complexity varies.Compress PDF to 2MBCompress a PDF toward the target shown in Compress PDF to 2MB; exact size is not guaranteed because page complexity varies.PDF to ZIPPlace a PDF file inside a downloadable ZIP archive without changing the PDF itself.
Developer Tools
Privacy-friendly coding, data and encoding utilities.
JSON Formatter and ValidatorValidate, format and minify JSON safely in your browser.Base64 Encoder and DecoderEncode plain text to Base64 or decode Base64 back to readable UTF-8 text.URL Encoder and DecoderEncode special characters for URLs or decode percent-encoded text.UUID GeneratorGenerate one or more RFC 4122 version 4 UUIDs in your browser.Strong Password GeneratorGenerate customizable random passwords locally without sending them to a server.
Online Calculators
Quick calculators for dates, time and everyday numeric tasks.
Other Tools
Additional generators and converters for testing, education and productivity.
Credit Card GeneratorGenerate clearly labelled, checksum-valid test card numbers for authorized sandbox form testing; they are not real payment accounts.Fake Name GeneratorGenerate fictional placeholder names for mockups, testing and examples without representing them as real people.Text To BinaryUse Text To Binary to encode normal text as 8-bit binary groups or decode valid binary groups back into text.Binary To TextUse Binary To Text to encode normal text as 8-bit binary groups or decode valid binary groups back into text.
Email Marketing Tools
Analyze newsletter wording, HTML structure and common content risks before sending an email campaign.
Code Beautifiers & Minifiers
Format and minify CSS, HTML, JavaScript, JSON, XML, OPML and PHP with browser-based utilities.
CSS BeautifierFormat readable output for CSS source directly in your browser with copy and download-ready output.CSS MinifierRemove unnecessary whitespace and comments for CSS source directly in your browser with copy and download-ready output.HTML BeautifierFormat readable output for HTML source directly in your browser with copy and download-ready output.HTML MinifierRemove unnecessary whitespace and comments for HTML source directly in your browser with copy and download-ready output.JavaScript BeautifierFormat readable output for JAVASCRIPT source directly in your browser with copy and download-ready output.JavaScript MinifierRemove unnecessary whitespace and comments for JAVASCRIPT source directly in your browser with copy and download-ready output.JavaScript ObfuscatorCreate an intentionally harder-to-read javascript build for JAVASCRIPT source directly in your browser with copy and download-ready output.JSON BeautifierFormat readable output for JSON source directly in your browser with copy and download-ready output.JSON MinifierRemove unnecessary whitespace and comments for JSON source directly in your browser with copy and download-ready output.OPML BeautifierFormat OPML outline markup into readable, indented XML-style source directly in your browser.OPML MinifierRemove unnecessary whitespace and comments from OPML outline markup directly in your browser.PHP BeautifierFormat readable output for PHP source directly in your browser with copy and download-ready output.XML BeautifierFormat readable output for XML source directly in your browser with copy and download-ready output.XML MinifierRemove unnecessary whitespace and comments for XML source directly in your browser with copy and download-ready output.
CSS Preprocessor Tools
Compile common CSS preprocessors and convert plain CSS into starter LESS, SCSS or Stylus syntax.
LESS CompilerCompile LESS source into standard CSS in the browser and review compiler errors before download.SCSS CompilerCompile SCSS source into standard CSS in the browser and review compiler errors before download.SASS CompilerCompile SASS source into standard CSS in the browser and review compiler errors before download.Stylus CompilerCompile STYLUS source into standard CSS in the browser and review compiler errors before download.CSS To LESS ConverterConvert plain CSS declarations into a starter LESS structure that can be edited in a preprocessor workflow.CSS To SCSS ConverterConvert plain CSS declarations into a starter SCSS structure that can be edited in a preprocessor workflow.CSS To Stylus ConverterConvert plain CSS declarations into a starter STYLUS structure that can be edited in a preprocessor workflow.
Unit Converter Tools
Convert measurements across engineering, science, storage, time, speed, volume and other unit families.
Acceleration ConverterConvert acceleration values between commonly used metric, imperial and technical units with transparent factors.Area ConverterConvert area values between commonly used metric, imperial and technical units with transparent factors.Density & Mass Capacity ConverterConvert density & mass capacity values between commonly used metric, imperial and technical units with transparent factors.Digital Storage ConverterConvert digital storage values between commonly used metric, imperial and technical units with transparent factors.Electricity ConverterConvert electricity values between commonly used metric, imperial and technical units with transparent factors.Energy ConverterConvert energy values between commonly used metric, imperial and technical units with transparent factors.Force ConverterConvert force values between commonly used metric, imperial and technical units with transparent factors.Force / Length ConverterConvert force / length values between commonly used metric, imperial and technical units with transparent factors.Length ConverterConvert length values between commonly used metric, imperial and technical units with transparent factors.Light ConverterConvert light values between commonly used metric, imperial and technical units with transparent factors.Mass ConverterConvert mass values between commonly used metric, imperial and technical units with transparent factors.Mass Flow ConverterConvert mass flow values between commonly used metric, imperial and technical units with transparent factors.Power ConverterConvert power values between commonly used metric, imperial and technical units with transparent factors.Pressure & Stress ConverterConvert pressure & stress values between commonly used metric, imperial and technical units with transparent factors.Temperature ConverterConvert temperature values between commonly used metric, imperial and technical units with transparent factors.Time ConverterConvert time values between commonly used metric, imperial and technical units with transparent factors.Torque ConverterConvert torque values between commonly used metric, imperial and technical units with transparent factors.Velocity & Speed ConverterConvert velocity & speed values between commonly used metric, imperial and technical units with transparent factors.Viscosity ConverterConvert viscosity values between commonly used metric, imperial and technical units with transparent factors.Volume & Capacity ConverterConvert volume & capacity values between commonly used metric, imperial and technical units with transparent factors.Volume Flow ConverterConvert volume flow values between commonly used metric, imperial and technical units with transparent factors.
Data Converter Tools
Transform structured data between CSV, JSON, XML, YAML, SQL, HTML tables, Excel and multiline formats.
CSV To HTML ConverterConvert CSV data into HTML format with a preview and downloadable output where appropriate.CSV To JSON ConverterConvert CSV data into JSON format with a preview and downloadable output where appropriate.CSV To Multi Line Data ConverterConvert CSV data into MULTILINE format with a preview and downloadable output where appropriate.CSV To SQL ConverterConvert CSV data into SQL format with a preview and downloadable output where appropriate.CSV To XML ConverterConvert CSV data into XML format with a preview and downloadable output where appropriate.CSV To XML / JSON ConverterConvert CSV data into XML / JSON format with a preview and downloadable output where appropriate.Excel To CSV ConverterConvert EXCEL data into CSV format with a preview and downloadable output where appropriate.Excel To HTML ConverterConvert EXCEL data into HTML format with a preview and downloadable output where appropriate.Excel To JSON ConverterConvert EXCEL data into JSON format with a preview and downloadable output where appropriate.Excel To SQL ConverterConvert EXCEL data into SQL format with a preview and downloadable output where appropriate.HTML Table To CSV ConverterConvert HTML data into CSV format with a preview and downloadable output where appropriate.HTML Table To JSON ConverterConvert HTML data into JSON format with a preview and downloadable output where appropriate.HTML Table To Multi Line Data ConverterConvert HTML data into MULTILINE format with a preview and downloadable output where appropriate.HTML Table To SQL ConverterConvert HTML data into SQL format with a preview and downloadable output where appropriate.HTML Table To XML ConverterConvert HTML data into XML format with a preview and downloadable output where appropriate.JSON To CSV ConverterConvert JSON data into CSV format with a preview and downloadable output where appropriate.JSON To HTML Table ConverterConvert JSON data into HTML format with a preview and downloadable output where appropriate.JSON To XML ConverterConvert JSON data into XML format with a preview and downloadable output where appropriate.JSON To YAML ConverterConvert JSON data into YAML format with a preview and downloadable output where appropriate.OPML To JSON ConverterConvert OPML data into JSON format with a preview and downloadable output where appropriate.RSS To JSON ConverterConvert RSS data into JSON format with a preview and downloadable output where appropriate.SQL To CSV ConverterConvert SQL data into CSV format with a preview and downloadable output where appropriate.SQL To HTML ConverterConvert SQL data into HTML format with a preview and downloadable output where appropriate.SQL To JSON ConverterConvert SQL data into JSON format with a preview and downloadable output where appropriate.SQL To XML ConverterConvert SQL data into XML format with a preview and downloadable output where appropriate.SQL To YAML ConverterConvert SQL data into YAML format with a preview and downloadable output where appropriate.XML To CSV ConverterConvert XML data into CSV format with a preview and downloadable output where appropriate.XML To JSON ConverterConvert XML data into JSON format with a preview and downloadable output where appropriate.XML To YAML ConverterConvert XML data into YAML format with a preview and downloadable output where appropriate.YAML To XML / JSON / CSV ConverterConvert YAML data into XML / JSON / CSV format with a preview and downloadable output where appropriate.Excel To Formula ViewInspect formulas and cell references from the first worksheet of an Excel file directly in the browser.
Code Validator Tools
Run focused syntax checks for CSS, JavaScript, JSON, XML and YAML before publishing or deployment.
CSS ValidatorCheck CSS syntax and receive a clear success message or parser error without running a full remote build.JavaScript ValidatorCheck JAVASCRIPT syntax and receive a clear success message or parser error without running a full remote build.JSON ValidatorCheck JSON syntax and receive a clear success message or parser error without running a full remote build.XML ValidatorCheck XML syntax and receive a clear success message or parser error without running a full remote build.YAML ValidatorCheck YAML syntax and receive a clear success message or parser error without running a full remote build.
Cryptography Tools
Calculate modern cryptographic hashes and HMAC values locally with the Web Crypto API.
Code Editor Tools
Draft and preview HTML, CSS and JavaScript in an isolated browser preview.
String Utility Tools
Encode, decode, compare, count and transform text, dates, numbers, URLs and timestamps.
Add Nofollow To LinkAdd rel="nofollow" to links while preserving existing rel values.Binary / Decimal / Hexadecimal / ASCII ConverterConvert values among binary, decimal, hexadecimal and ASCII representations.Currency ConverterConvert USD, PKR, EUR, GBP, AED, SAR, INR and 150+ currencies with regularly refreshed public exchange rates, source timestamps and inverse rates.Date CalculatorCalculate the difference between two dates and add or subtract days from a starting date.Diff ViewerCompare two blocks of text line by line and highlight additions, removals and unchanged lines.HTML DecoderDecode HTML entities into readable characters.HTML EncoderEncode reserved characters as HTML entities.Lorem Ipsum GeneratorGenerate placeholder paragraphs for layouts, mockups and typography testing.New Line CounterCount physical lines, non-empty lines and newline characters in text.Number To Word ConverterConvert whole numbers into written English words for drafts and educational use.String UtilitiesReverse, trim, normalize, shuffle or inspect a text string.Unix Time ConverterConvert Unix timestamps to dates or dates to Unix seconds and milliseconds.
Web Utility Tools
Generate QR codes, form markup, Base64 images, htaccess snippets and hosting estimates.
HTML Form BuilderBuild accessible starter HTML form markup from a simple field list.Base64 To Image ConverterDecode a Base64 or data-URL image and download the resulting file.htaccess Secure DirectoryGenerate Apache Basic Authentication directives for a protected directory.htaccess Secure FilesGenerate Apache access-control rules for selected file extensions or IP addresses.Image To Base64 ConverterConvert a selected image into a Base64 data URL locally in the browser.QR Code GeneratorCreate a downloadable QR code for text, a URL, contact details or another short value.Torrent DecoderRead a .torrent file and display its bencoded metadata without starting a download.Web Hosting Bandwidth CalculatorEstimate monthly bandwidth from visits, page weight, downloads and expected growth.
IP & Network Tools
Inspect public hostnames, nameservers, ports, IP addresses and approximate website locations.
Hostname LookupResolve a public hostname to IP addresses or attempt reverse DNS for a public IP.Nameserver LookupRetrieve authoritative NS records for a public domain.Open Port CheckerAttempt a short TCP connection to an approved port on a public hostname.Website Location FinderResolve a public website and show approximate IP network and geographic information.
Math Calculators
Percentages, algebra, geometry and number calculators with transparent formulas.
Percentage CalculatorCalculate a percentage of any number.Percentage Increase CalculatorIncrease a value by a selected percentage.Percentage Decrease CalculatorDecrease a value by a selected percentage.Percentage Change CalculatorMeasure percentage change between old and new values.Percentage Difference CalculatorCompare two values using their average.Ratio CalculatorSimplify a two-number ratio.Proportion CalculatorSolve a:b = c:x.Average CalculatorFind the arithmetic mean of a list.Weighted Average CalculatorCalculate a weighted mean from value and weight pairs.Greatest Common Factor CalculatorFind the GCF of whole numbers.Least Common Multiple CalculatorFind the LCM of whole numbers.Prime Factorization CalculatorBreak a positive integer into prime factors.Quadratic Formula CalculatorSolve ax² + bx + c = 0.Slope CalculatorCalculate slope between two points.Midpoint CalculatorFind the midpoint between two points.2D Distance CalculatorFind straight-line distance between two points.Pythagorean Theorem CalculatorFind the hypotenuse from two perpendicular sides.Circle CalculatorCalculate circle area and circumference.Rectangle CalculatorCalculate rectangle area, perimeter and diagonal.Triangle Area CalculatorCalculate triangle area from base and height.Sphere Volume CalculatorCalculate sphere volume and surface area.Cylinder Volume CalculatorCalculate cylinder volume.Cone Volume CalculatorCalculate cone volume.Logarithm CalculatorCalculate a logarithm with a custom base.Combination CalculatorCalculate C(n,r).
Finance Calculators
Interest, loan, pricing, salary, profit and savings calculators.
Sales Tax CalculatorCalculate tax and total price.Discount CalculatorCalculate discount and sale price.Markup CalculatorCalculate selling price from cost and markup.Profit Margin CalculatorCalculate profit and margin.Simple Interest CalculatorCalculate simple interest.Compound Interest CalculatorCalculate compound growth.Loan Payment CalculatorEstimate fixed monthly loan payments.ROI CalculatorCalculate return on investment.CAGR CalculatorCalculate compound annual growth rate.Salary to Hourly CalculatorConvert annual salary to hourly rate.Hourly to Salary CalculatorConvert hourly rate to annual salary.Overtime Pay CalculatorCalculate regular and overtime pay.Break-Even CalculatorCalculate break-even unit quantity.Tip CalculatorCalculate tip, total and split.Zakat CalculatorEstimate zakat from eligible net assets.
Construction Calculators
Material and measurement estimators for common building projects.
Concrete Slab CalculatorEstimate concrete volume for a slab.Brick CalculatorEstimate bricks for a wall.Tile CalculatorEstimate floor tile quantity.Paint CalculatorEstimate paint volume.Flooring CalculatorEstimate flooring boxes.Gravel CalculatorEstimate gravel volume and mass.Roof Area CalculatorEstimate sloped roof area.Wallpaper CalculatorEstimate wallpaper rolls.Fence Post CalculatorEstimate fence posts.Pool Volume CalculatorEstimate rectangular pool volume.Pipe Volume CalculatorCalculate internal pipe volume.Ramp Slope CalculatorCalculate slope and angle.
Physics Calculators
Motion, force, energy, electricity, waves and mechanics calculators.
Speed CalculatorCalculate speed from distance and time.Acceleration CalculatorCalculate acceleration.Force CalculatorCalculate force from mass and acceleration.Work CalculatorCalculate mechanical work.Power CalculatorCalculate power from work and time.Kinetic Energy CalculatorCalculate kinetic energy.Potential Energy CalculatorCalculate gravitational potential energy.Momentum CalculatorCalculate linear momentum.Density CalculatorCalculate density.Pressure CalculatorCalculate pressure.Ohm’s Law CalculatorCalculate voltage from current and resistance.Wavelength CalculatorCalculate wavelength.Heat Energy CalculatorCalculate sensible heat.Torque CalculatorCalculate torque.Free Fall Time CalculatorEstimate ideal free-fall time.
Chemistry Calculators
Concentration, gas, pH, dilution and laboratory formula calculators.
Molarity CalculatorCalculate molar concentration.Dilution CalculatorCalculate final concentration.pH CalculatorCalculate pH from hydrogen-ion concentration.Half-Life CalculatorCalculate remaining quantity.Ideal Gas Law CalculatorCalculate ideal gas pressure.Percent Yield CalculatorCalculate percent yield.Grams to Moles CalculatorConvert grams to moles.Moles to Particles CalculatorConvert moles to particles.Mass Percent CalculatorCalculate mass percentage.Beer-Lambert Law CalculatorCalculate absorbance.
Statistics Calculators
Descriptive statistics, probability and data-analysis calculators.
Mean CalculatorCalculate mean from a numeric list.Median CalculatorCalculate median from a numeric list.Mode CalculatorCalculate mode from a numeric list.Range CalculatorCalculate range from a numeric list.Variance CalculatorCalculate variance from a numeric list.Standard Deviation CalculatorCalculate standard deviation from a numeric list.Z-Score CalculatorCalculate a z-score.Confidence Interval CalculatorEstimate a z-based confidence interval.Binomial Probability CalculatorCalculate exactly k successes.Correlation CalculatorCalculate Pearson correlation.
Health & Wellness Calculators
General educational estimates only; not diagnosis or treatment.
Sports Calculators
Pace, speed, strength and sports performance calculations.
Biology Calculators
Population, growth and agriculture calculations.
Ecology Calculators
Resource use and renewable-energy estimates with stated assumptions.
Food Calculators
Recipe, baking and beverage calculations.
Everyday Life Calculators
Useful calculations for dates, fuel, study and daily planning.
USA Daily Life Tools
US salary, tax and everyday calculators with clearly dated assumptions.
USA Paycheck Calculator 2026Estimate US federal income tax, Social Security, Medicare, optional state tax and take-home pay for tax year 2026.USA Sales Tax CalculatorAdd or reverse estimated US state and local sales tax using a state base rate and optional local rate.USA Federal Income Tax Calculator 2026Estimate 2026 federal income tax from taxable income, filing status and credits.USA Self-Employment Tax Calculator 2026Estimate Social Security and Medicare self-employment tax plus the deductible half.USA Overtime Pay CalculatorCalculate regular pay, time-and-a-half overtime and total weekly gross pay.USA Biweekly Paycheck CalculatorConvert annual salary into biweekly gross pay and estimate entered deductions.USA Salary to Hourly CalculatorConvert annual salary into hourly, weekly, biweekly and monthly gross pay.USA Freelance Hourly Rate CalculatorEstimate a sustainable freelance rate from income goal, business costs, taxes and billable hours.USA PTO Accrual CalculatorEstimate paid-time-off hours earned per pay period and current balance.USA PTO Payout CalculatorEstimate the gross value of unused PTO hours.USA Pay Raise CalculatorCalculate new salary, annual increase and estimated per-pay increase after a raise.USA Bonus After-Tax CalculatorEstimate a bonus after entered federal, state, Social Security and Medicare withholding rates.USA 401(k) Contribution Calculator 2026Plan employee 401(k) contributions against the 2026 elective-deferral limit.USA 401(k) Employer Match CalculatorEstimate employee contributions and employer match using a match rate and salary cap.USA IRA Contribution Planner 2026Plan monthly deposits toward the 2026 IRA contribution limit.USA HSA Contribution Calculator 2026Plan HSA contributions using self-only or family 2026 limits and employer deposits.USA Health FSA Contribution Planner 2026Plan payroll deductions toward an editable annual health FSA election.USA Emergency Fund CalculatorEstimate an emergency-fund target from essential monthly expenses and desired coverage.USA Retirement Savings CalculatorProject retirement savings from current balance, monthly deposits, return and years.USA 529 College Savings CalculatorProject a 529 education-savings balance and compare it with a future tuition target.USA Credit Card Payoff CalculatorEstimate payoff time and interest for a credit-card balance with fixed monthly payments.USA Debt Snowball CalculatorCompare a simple debt-snowball payoff schedule for up to three balances.USA Student Loan Payment CalculatorEstimate a fixed student-loan monthly payment, total interest and payoff date.USA Student Loan Extra Payment CalculatorEstimate how extra monthly student-loan payments may reduce time and interest.USA Auto Loan CalculatorCalculate vehicle-loan payment, total interest and total financed cost.USA Car Lease Payment CalculatorEstimate a monthly car-lease payment from cap cost, residual value, money factor and tax.USA Car Depreciation CalculatorEstimate future vehicle value using an annual depreciation rate.USA Annual Car Ownership Cost CalculatorCombine loan, insurance, fuel, maintenance, registration and depreciation into an annual ownership estimate.USA Gas vs EV Cost CalculatorCompare annual fuel cost for a gasoline vehicle and electric vehicle.USA Business Mileage Deduction Calculator 2026Estimate a deductible amount from business miles and an editable IRS mileage rate.USA Commute Cost CalculatorEstimate monthly and annual commuting cost from distance, workdays, vehicle efficiency and parking.USA Home Affordability CalculatorEstimate a home-price range from income, debts, down payment, rate and debt-to-income target.USA Mortgage PMI CalculatorEstimate monthly private mortgage insurance from loan amount and annual PMI rate.USA Mortgage Points Break-Even CalculatorCalculate how long monthly interest savings may take to recover discount-point cost.USA Closing Cost CalculatorEstimate buyer closing costs from price, lender fees, title costs, prepaid items and credits.USA Mortgage Refinance Break-Even CalculatorEstimate refinance payment savings and months to recover closing costs.USA HELOC Payment CalculatorEstimate interest-only and amortizing payments for a home-equity line balance.USA Property Tax Monthly CalculatorEstimate annual and monthly property tax from assessed value and local tax rate.USA Rent Increase CalculatorCalculate a proposed rent increase in dollars, percentage and annual cost.USA Moving Cost CalculatorEstimate a move from truck/mover charges, mileage, packing, storage and travel.USA Shipping Dimensional Weight CalculatorCalculate dimensional weight and compare it with actual package weight.USA Work From Home Savings CalculatorEstimate commuting, meal and clothing savings minus added home costs.
UK Daily Life Tools
UK salary, VAT and property calculators for practical planning.
UK Salary After Tax Calculator 2026/27Estimate UK Income Tax, employee National Insurance, pension contribution and take-home pay for the 2026/27 tax year.UK Stamp Duty CalculatorEstimate residential Stamp Duty Land Tax for a property purchase in England or Northern Ireland.UK VAT CalculatorAdd or remove UK VAT at the standard, reduced or zero rate.
Canada Daily Life Tools
Canadian payroll, sales-tax and property calculators with provincial options.
Canada Paycheque Calculator 2026Estimate Canadian federal and selected provincial income tax, CPP, CPP2, EI and take-home pay for 2026.Canada Land Transfer Tax CalculatorEstimate Ontario land transfer tax and optional Toronto municipal land transfer tax for a residential purchase.Canada GST/HST/PST CalculatorAdd or remove Canadian sales taxes using 2026 province and territory rates.
Australia Daily Life Tools
Australian pay, GST and property estimators with current rule labels.
Australia Take-Home Pay Calculator 2026–27Estimate Australian resident income tax, Medicare levy, superannuation and take-home pay for 2026–27.Australia Stamp Duty CalculatorEstimate general residential transfer duty using simplified state schedules for NSW, Victoria, Queensland and Western Australia.Australia GST CalculatorAdd or remove Australian GST at the standard 10% rate.
India Daily Life Tools
India tax, salary, savings and employment calculators with official references.
India Income Tax Calculator AY 2026–27Compare estimated income tax under India’s new and old tax regimes, including standard deduction, rebate and 4% cess.India GST CalculatorAdd or remove Indian GST using common 0%, 5%, 12%, 18% and 28% rates, with CGST/SGST or IGST breakdown.India HRA Exemption CalculatorEstimate the House Rent Allowance exemption using salary, HRA received, rent paid and metro/non-metro limits.India Gratuity CalculatorEstimate gratuity from last-drawn monthly wages and completed service using the 15/26 statutory formula.India EPF Contribution CalculatorEstimate employee EPF, employer EPF and EPS contributions using statutory rates and the ₹15,000 pension wage ceiling.India PPF Maturity CalculatorEstimate Public Provident Fund maturity value using yearly contributions, term and an editable annual interest rate.India CTC to In-Hand Salary CalculatorEstimate monthly in-hand salary from annual CTC after employer PF, gratuity, employee PF, professional tax and income tax.India SIP Goal CalculatorCalculate the monthly SIP needed to reach a target amount after accounting for current investment, time and expected return.
Pakistan Daily Life Tools
Pakistan tax, banking, household and ecommerce calculators for everyday planning.
Pakistan Salary Tax Calculator 2026–27Estimate Pakistan salary income tax for FY 2026–27 using the published salaried-person slab structure.Pakistan Sales Tax CalculatorAdd or remove Pakistan sales tax using an editable rate with 18% preselected.Pakistan Zakat CalculatorEstimate zakat on eligible wealth after liabilities using a user-entered nisab threshold and adjustable rate.Pakistan Islamic Home Finance CalculatorEstimate a monthly payment and total profit for a simplified diminishing-home-finance scenario.Pakistan Committee Savings CalculatorPlan a rotating committee savings arrangement from the monthly contribution, member count and payout position.Pakistan Electricity Bill EstimatorEstimate an electricity bill from units, average tariff, fixed charges, fuel adjustment and taxes entered by the user.Pakistan IBAN ValidatorValidate the structure and checksum of a Pakistani IBAN without sending the account number to a server.Pakistan COD Profit CalculatorEstimate expected profit for cash-on-delivery orders after product, courier, packaging, advertising, payment and return costs.
UAE Daily Life Tools
UAE VAT and employment benefit calculators with current rule labels.
Saudi Arabia Daily Life Tools
Saudi VAT and end-of-service calculators for practical planning.
New Zealand Daily Life Tools
New Zealand GST and KiwiSaver calculators with current contribution rules.
Singapore Daily Life Tools
Singapore GST and CPF calculators using dated official parameters.
South Africa Daily Life Tools
South African tax, VAT and UIF calculators with SARS references.
South Africa Income Tax Calculator 2027Estimate South African individual income tax for the 2027 tax year using SARS brackets and age-based rebates.South Africa VAT CalculatorAdd or remove South Africa’s standard 15% VAT and show exclusive, VAT and inclusive amounts.South Africa UIF Contribution CalculatorEstimate employee and employer Unemployment Insurance Fund contributions using an editable earnings ceiling.
Global Daily Life Tools
Everyday money, home, travel, energy and household calculators for multiple currencies.
Mortgage Payment CalculatorCalculate monthly principal and interest plus optional property tax, insurance and association fees.Mortgage Extra Payment CalculatorCompare a standard mortgage schedule with regular extra monthly payments to estimate time and interest saved.Rent Affordability CalculatorEstimate a comfortable monthly rent from household income, debt payments, utilities and a chosen rent-to-income target.Fuel Trip Cost CalculatorEstimate fuel used, trip cost and cost per passenger using miles/MPG or kilometres/L per 100 km.EV Charging Cost CalculatorEstimate the electricity required and cost to charge an electric vehicle between two battery levels.Tip and Bill Split CalculatorAdd a tip, include optional fees and split a restaurant or service bill between multiple people.Work Hours and Timesheet CalculatorCalculate paid hours from start time, finish time and breaks, including shifts that pass midnight.Electricity Appliance Cost CalculatorEstimate how much an appliance costs to run each day, month and year from wattage and electricity price.Rent Split CalculatorSplit rent equally or by income/room weight between up to four occupants.