Binary encode and decode
Convert text to groups of eight binary digits representing UTF-8 bytes. Decode binary byte sequences back into readable text.
Features
- Represent each UTF-8 byte with eight bits.
- Decode bit strings with optional whitespace.
- Copy or download the converted text or bytes.
How to use this tool
- Paste text or a sequence of eight-bit bytes.
- Choose Encode or Decode.
- Process the input and inspect the result.
Good to know
This tool is free without sign-up, with unlimited processing and exports within the displayed input limits.
- Non-ASCII characters use multiple bytes. Binary input must contain complete bytes that decode as valid UTF-8.
Privacy and local processing
This tool processes your input in your browser. Source files and text are not uploaded to a FormatOwl processing server. Advanced-tool access and trial balances are checked online using tool IDs, file types, sizes and page counts. Free tools do not require account authorization. Save the results you need before leaving or refreshing the page.
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