Binary to Text Converter
Decode binary (space-separated 8-bit bytes) back into readable UTF-8 text.
Accepts binary with or without spaces (grouped into 8 bits). Decoded as UTF-8. Runs in your browser.
Frequently Asked Questions
What format should the binary be in?
8-bit bytes, ideally space-separated. The total number of digits should be a multiple of eight — a missing or extra bit corrupts every byte after it.
Why is the decoded text garbled?
Usually the byte grouping is off, or the input was not standard 8-bit UTF-8 binary. Check that the digit count is a multiple of eight and contains only 0s and 1s.
Is my data sent to a server?
No. This tool runs entirely in your browser using JavaScript — nothing you enter is uploaded or stored.
The Binary to Text Converter decodes binary — space-separated 8-bit bytes — back into readable text using UTF-8. It is the counterpart to the Text to Binary tool and is handy for decoding binary you have been given, checking a conversion, or learning how character encoding works.
How to Use This Tool
Paste your binary (8-bit bytes, with or without spaces) and press Convert to Text. The decoded UTF-8 text appears in the output box, ready to copy.
What This Tool Checks
It groups the digits into bytes (eight bits each), assembles them into a UTF-8 byte sequence, and decodes that to text — correctly reconstructing multi-byte characters like accents and emoji when the bytes are present.
Understanding Your Results
Valid binary produces readable text. If you see garbled characters, the byte grouping was probably off (a stray digit shifts everything) or the input was not actually UTF-8 binary.
How to Fix Common Problems
Make sure the total number of digits is a multiple of eight; a missing or extra bit corrupts every byte after it. Remove any non-binary characters. If the source used a different grouping (7-bit, for example), it will not decode as standard bytes.
SEO Best Practices
Keep binary grouped in clean 8-bit bytes for reliable decoding. Use this for learning and for decoding data you are authorised to read; binary is not encryption, so it provides no confidentiality.
Example
The binary 01001000 01101001 decodes to "Hi". Longer sequences with multi-byte groups decode to accented letters or emoji when those bytes are supplied.
Common Mistakes to Avoid
Feeding in binary whose length is not a multiple of eight, which corrupts the output. Expecting non-standard groupings (like 7-bit ASCII) to decode as 8-bit UTF-8.
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