Convert between binary, decimal, and text. Encode text to binary or decode binary to readable text.
Decimal Number
Binary Number
Binary is a base-2 number system that uses only two digits: 0 and 1. It's the foundation of digital computing and is used to represent all data in computers.
Four Conversion Modes
Convert between decimal to binary, binary to decimal, text to binary, and binary to text — all in one tool.
Instant Results
Conversions happen the moment you click Convert. No waiting, no page reloads.
Copy to Clipboard
One-click copy button to grab your result and paste it anywhere.
Input Validation
Clear error messages if you enter invalid values, so you always know what went wrong.
Works Offline
All conversions run in your browser. Once the page loads, it works without an internet connection.