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Binary to Text Converter

Decode binary code strings (0s and 1s) into human-readable text instantly. Secure and runs 100% in your browser.

Binary Input (0101...)
Decoded Text Result

Decode Binary Code into Readable Text

Found a string of 0s and 1s in a puzzle, a computer science assignment, a T-shirt or a social media post? This converter decodes binary back into human-readable text. It accepts bytes with or without spaces, validates the input so you know exactly what is wrong if it can’t be decoded, and supports UTF-8, so Hindi text and emojis come back correctly too.

How to Use the Binary to Text Converter

  1. Paste your binary into the Binary Input box. Spaces and line breaks are fine.
  2. Click Convert Binary to Text.
  3. Read the decoded text in the output panel, or copy it.
  4. Not sure how it works? Click Load Sample to decode a ready-made example.

Step-by-Step Decoding Example

Binary: 01001000 01101001

  1. Split into bytes: 01001000 and 01101001.
  2. Convert each byte to decimal:
    • 01001000 = 64 + 8 = 72
    • 01101001 = 64 + 32 + 8 + 1 = 105
  3. Look up the characters: 72 is “H” and 105 is “i”.

Result: Hi.

Binary Place Values

Bit8th7th6th5th4th3rd2nd1st
Value1286432168421

Add together the values wherever there is a 1 to get the byte’s number.

Common Characters in Binary

CharacterBinaryCharacterBinary
A01000001a01100001
Z01011010z01111010
000110000900111001
space00100000!00100001

A neat pattern: uppercase and lowercase versions of the same letter differ by only one bit (the one worth 32).

Troubleshooting

  • “Binary code can only contain 0 and 1” — remove any letters, commas or other symbols. The letter O is a common typo for 0.
  • “Incomplete Byte” — the total count of digits isn’t a multiple of 8. Look for a group with 7 or 9 digits.
  • “Decoding Error” — the bytes aren’t valid UTF-8 text. The binary may represent a number, part of a file, or text in an old encoding.

Related Tools

Frequently Asked Questions

Split the binary into groups of 8 bits (bytes), convert each group to a number, and decode the bytes using UTF-8. This tool does all three steps instantly: paste the binary and click Convert.
No. Spaces and line breaks are ignored, so 0100100001101001 and 01001000 01101001 both decode to "Hi". The total number of digits must be a multiple of 8.
The number of 0s and 1s is not a multiple of 8, which means a digit is missing or extra somewhere. Check that every group has exactly 8 digits.
The bytes do not form valid UTF-8 text. This happens if the binary was created with a different encoding, if bytes are in the wrong order, or if it represents something other than text, such as part of an image.
Yes. The decoder uses UTF-8, so multi-byte characters such as Devanagari letters and emojis are reconstructed correctly.
It spells "Hello". This is the sample loaded by the Load Sample button.