Support: Text to Binary Converter

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Common questions

How do I convert text to binary?

Type the text with Text to code and Binary selected. Each character's UTF-8 bytes are written as eight binary digits: Hi becomes 01001000 01101001.

How do I convert binary to text?

Choose Code to text and paste the binary. Groups of eight digits are read as bytes; spaces between them are optional.

What is the difference between ASCII and UTF-8?

ASCII covers 128 characters, mostly English letters, digits and punctuation, one byte each. UTF-8 matches ASCII for those and uses two to four bytes for every other character, so any language and emoji can be written.

Why does an emoji become four bytes?

Emoji have code points above 65,535, which UTF-8 stores in four bytes. Choose Unicode code points to see the single number instead: 👋 is 128075, or 1F44B in hex.

Can I convert text to hex?

Yes. Choose Hexadecimal: Hi becomes 48 69. Tick the prefix option for 0x48 0x69.

What if my code is in a different format?

If you paste decimal numbers with binary selected, the page reads them as decimal and tells you. Codes that are not valid in any format are pointed out.

Is it free?

Yes, completely free, with no sign-up.