Free browser-based utilities
Make data easier
to work with.
Fast converters and calculators for developers, students, and everyday work. Your inputs stay right where they belong: in your browser.
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◉ No sign-up◉ Local processing◉ Free to use
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Popular tools
JSON Formatter
Format, validate, and beautify JSON instantly.
CSV to JSON
Convert CSV rows into clean JSON arrays.
Base64 to Text
Decode Base64 safely in your browser.
Mortgage Calculator
Estimate principal-and-interest mortgage payments after a down payment.
Date Difference Calculator
Find the exact time between two dates.
Temperature Converter
Convert Celsius, Fahrenheit, Kelvin, and Rankine.
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