What format should binary input be in?

Binary input should be 8-bit groups separated by spaces. For example: 01001000 01100101 01101100 01101100 01101111. Each group of 8 digits represents one character. The tool will flag any invalid characters or incorrectly sized groups.

01 Binary Translator

Q: How does text to binary conversion work?

Each character in text has a numeric ASCII or Unicode code point. Binary translation converts that number into base-2 (binary) format, padded to 8 bits. For example the letter A has ASCII code 65, which is 01000001 in binary. Groups of 8 bits (one byte) are separated by spaces for readability.

Convert text to binary code or decode binary back to readable text. Choose a mode, paste your input and click Convert. Free, private, no signup.

Output

Your converted output will appear here...

About the Binary Translator

Binary is the base-2 number system used by computers, where every value is expressed using only 0s and 1s. In text encoding, each character is assigned a numeric code point (ASCII or Unicode) which is then represented as a sequence of 8 binary digits (bits). This tool converts between human-readable text and that binary representation.

How Text → Binary Works

Each character in your text is converted to its ASCII or Unicode code point, then expressed as an 8-bit binary number. Groups of 8 bits are separated by spaces. For example, the letter H (ASCII 72) becomes 01001000.

How Binary → Text Works

The tool reads each space-separated 8-bit group, converts it from binary to a decimal number, then looks up the character at that code point. Input must use 8-bit groups separated by spaces. Any invalid group will be flagged with an error.

Common Use Cases

Learning how computers represent text at the bit level
Encoding messages in binary for fun or educational purposes
Decoding binary strings found in CTF challenges or puzzles
Demonstrating ASCII encoding in programming or CS classes

Frequently Asked Questions

How does text to binary conversion work?

Each character has a numeric ASCII or Unicode code point. Binary translation converts that number into base-2 format, padded to 8 bits. The letter A (ASCII 65) becomes 01000001. Spaces are shown between each 8-bit group so the output is easy to read and re-use.

What format does binary input need to be in?

Binary input should be 8-bit groups separated by spaces, for example: 01001000 01100101 01101100 01101100 01101111. Each 8-digit group represents one character. The tool flags any group that contains characters other than 0 or 1.

Can it handle special characters and spaces?

Yes. The space character (ASCII 32) encodes as 00100000. Punctuation and most special characters are supported. Very high Unicode code points above 127 use standard 8-bit values so some may display differently depending on the character encoding of your system.

Is there a length limit?

No hard limit. The conversion runs instantly in your browser for any reasonable text length. Very long inputs of tens of thousands of characters may take a moment to render.