ASCII to binary converter
Convert ASCII text to binary using 7 or 8 bits per character, with configurable separators. Also shows decimal and hexadecimal codes.
ASCII to Binary Calculator Online (Text to Bits)
Convert ASCII text to binary in one click. Supports 7 or 8 bits per character, configurable separators, and shows decimal and hex codes. Same clean layout as the binary-decimal calculator.
Binary
Normalized binary
Decimal codes
Hex per char
Length
Character breakdown
Each character is converted to its ASCII code (decimal) and then to padded binary.
| # | Character | Decimal | Binary |
|---|
How to convert ASCII to binary
We take each character, get its ASCII code (0–255), and convert it to binary with padding based on the chosen width.
- Type or paste text. Works with extended ASCII: letters, symbols, and common accents.
- Choose 7 or 8 bits. 7 bits covers basic ASCII; 8 bits includes Ñ, accents, and extended characters consistently.
- Apply the separator. Space, comma, underscore, or no separation between bytes.
- Review the codes. We show decimal and hex per character alongside normalized binary ready to copy.
Example with Hello (8 bits): 72 → 01001000, 101 → 01100101, 108 → 01101100, 108 → 01101100, 111 → 01101111. Combined result: 01001000 01100101 01101100 01101100 01101111.
FAQ
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