Free Online Tool
Binary/Hex Converter
Convert between binary, hexadecimal, decimal, and octal number systems.
How to Use Binary/Hex Converter
- Type or paste your text into the input box.
- Choose hexadecimal or binary output; each character is converted byte by byte.
- Values are space-separated (two hex digits or eight bits per byte); decode mode converts them back to text.
- Copy the result. All conversion happens locally in your browser.
Each character maps to one byte via its character code. Hex shows that byte as two digits (00–FF); binary shows it as eight bits.
Examples
Text to hex — input:
Hi
Output:
48 69
Text to binary — input:
Hi
Output:
01001000 01101001
Decode hex (reverse) — input:
48 69
Output:
Hi
Decoding parses each hex/binary group back into a character.
Features
Privacy Focused
All processing happens in your browser. No data is sent to servers.
Free Forever
No registration, no limits, completely free to use.