Binary/Hex Converter

Convert text to binary, hexadecimal, decimal, and octal formats (and vice versa). 100% free and private - all conversions happen in your browser.

Bidirectional Conversion

Convert text to binary/hex/decimal/octal and back again with full accuracy.

100% Private

All conversions happen in your browser. Your data never leaves your device.

Real-Time Conversion

Instant conversion as you type with support for Unicode and emojis.

Frequently Asked Questions

How do I convert text to binary?

Select “Text → Binary” from the mode dropdown, enter your text in the input area, and the binary representation will appear instantly. You can choose space, comma, or no delimiter for the output.

Can I convert binary back to text?

Yes! Select “Binary → Text” mode, paste your binary string (with or without delimiters), and it will be converted back to readable text.

Does this tool support Unicode and emojis?

Absolutely! The tool properly handles UTF-8 encoding, so you can convert Unicode characters and emojis to binary, hex, decimal, or octal formats and back.

Is my data private?

Yes! All conversions happen entirely in your browser. Your text never gets sent to any server, ensuring complete privacy and security.

What formats are supported?

The tool supports 8 conversion modes: Text to Binary/Hex/Decimal/Octal and the reverse (Binary/Hex/Decimal/Octal to Text).