Percentage Calculator Widget
Calculate a percentage of a number, percentage change, or what percent one value is of another.
Preview and get code →Free publisher resources
Embeddable widgets that solve one clear task
Add responsive calculators, counters, converters and a QR generator with a simple iframe. No visitor registration is required, and the visible ToolnixHub attribution is optional.
11working embed widgets
- Responsive iframe layout
- Keyboard-accessible forms
- Client-side calculations
- Copy-ready code
Loan Payment Calculator Widget
Estimate a fixed monthly principal-and-interest payment from amount, annual rate, and term.
Preview and get code →Word Counter Widget
Count words, characters, sentences, paragraphs, and estimated reading time in the browser.
Preview and get code →Character Counter Widget
Count characters with and without spaces and compare text with a selected limit.
Preview and get code →Keyword Density Checker Widget
Count exact keyword or phrase occurrences and estimate density across the entered text.
Preview and get code →Tip Calculator Widget
Calculate tip, total bill, and equal per-person amount.
Preview and get code →BMI Calculator Widget
Estimate adult BMI from metric or U.S. customary measurements with a visible limitation.
Preview and get code →Length Converter Widget
Convert meters, kilometers, centimeters, millimeters, inches, feet, yards, and miles.
Preview and get code →Age Calculator Widget
Calculate elapsed calendar years, months, days, and total days between two dates.
Preview and get code →QR Code Generator Widget
Generate and download a QR code locally from text or a URL.
Preview and get code →Live Currency Converter Widget
Convert between 150+ currencies with a regularly refreshed public reference rate, source date and transparent limitations.
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