Text to Binary Converter
Convert text to binary or hex — and decode it back — entirely in your browser.
Output
Text to binary converter
Type or paste any text and it converts to binary (8-bit groups per UTF-8 byte) or hex as you type. Switch direction to decode binary or hex back to the original text.
Supports full Unicode: ASCII, accented characters, CJK, emoji — anything UTF-8 can encode.
FAQ
Is my data sent anywhere? No — everything runs locally in your browser.
What encoding is used? UTF-8. Each character may produce 1–4 bytes; each byte becomes 8 binary digits.