The workbench for everyday web tasks.
Calculators, converters, and generators that run entirely in your browser. Nothing to install, nothing uploaded — just fast, focused tools that do one job well.
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Free percentage calculator.
Calculators BMI CalculatorCalculate your Body Mass Index (BMI) in metric or imperial units.
Calculators Loan EMI CalculatorCalculate your loan EMI (equated monthly instalment), total interest, and total repayment.
Calculators Age CalculatorCalculate exact age from a date of birth: years, months, days, and total days lived.
Calculators Discount CalculatorCalculate the sale price and money saved for any discount percentage.
Developer Tools JSON Formatter & ValidatorFormat, validate, and minify JSON in your browser.
Developer Tools Base64 Encoder / DecoderEncode text to Base64 or decode Base64 back to text, with full Unicode (UTF-8) support.
Developer Tools URL Encoder / DecoderEncode text for safe use in URLs or decode percent-encoded strings back to readable text.
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Explore Amcon Ceylon ↗From the guides
All guides →How to Calculate a Mortgage Payment (With Real Examples)
The number your lender quotes isn't magic — it comes from one formula. Here's how a monthly mortgage payment is built, with examples you can follow.
Image ToolsPNG vs JPG vs WebP: Which Image Format Should You Use?
Three formats, three jobs. Here's how PNG, JPG, and WebP compress images differently — and how to pick the right one every time.
Developer ToolsHow to Create a Strong Password (and Why Length Beats Complexity)
Symbols and capital letters help less than you think. The single biggest factor in password strength is length — here's why, with the math.
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Toolbench is free to use and always will be. Save your favorites, pick up recent tools where you left off, and install it as an app to keep the whole workbench a tap away — even offline.