Encode and decode data, convert between number bases and transform text — free developer tools in your browser.
Everything a student needs to stay on top of grades, deadlines and study time — free online calculators that run right in your browser with no registration.
Run your freelance business like a pro: generate professional invoices, price your time correctly, and understand taxes and fees — all with free tools.
A growing toolbox for developers: format, validate and convert code, build regex patterns, generate UUIDs and commit messages — fast, private and free.
Understand your body and plan your fitness journey with accurate, free calculators for BMI, daily calories, TDEE, body fat and hydration.
The base64 encoder/decoder converts text to and from Base64 with real-time output.
Yes. The URL encoder and HTML encoder handle special characters for safe web usage.
The text to binary/hex/octal/decimal tools convert each character to its code representation.
Yes. All encoding runs in your browser — your data never leaves your device.