Binary to Text
Convert space-separated 8-bit binary codes back to readable text.
To use the tool, paste a string of binary numbers where each group of eight digits is separated by a space, such as 01001000 01101001 for the text Hi. The tool parses each 8-bit group, converts it from base-2 to its decimal byte value, assembles all the bytes into a Uint8Array, and then decodes the byte array using the TextDecoder API with UTF-8 encoding. This approach correctly handles both single-byte ASCII characters and multi-byte Unicode characters.
Binary to text conversion is commonly needed when working with low-level data representations, analyzing network packets, solving coding puzzles or CTF challenges, studying computer architecture, or verifying the output of encoding tools. Students learning about number systems and character encoding frequently use this conversion to understand how computers store and transmit text.
The tool validates the input and handles edge cases gracefully. If you enter binary groups that are not exactly 8 digits, or if the groups contain characters other than 0 and 1, you may get unexpected results. For best results, ensure each binary group is exactly 8 digits and groups are separated by spaces. All processing runs in your browser with no data sent to any server.
Converter
Results
How to Use
- Paste space-separated 8-bit binary numbers into the input field.
- The tool parses each binary group and converts it to the corresponding byte.
- The bytes are decoded as UTF-8 text and displayed in the output field.
- Copy the decoded text or use the Text to Binary tool to re-encode it.
FAQ
What format should the binary input be in?
Enter binary numbers as 8-digit groups separated by spaces. For example: 01001000 01100101 01101100 01101100 01101111 for the word Hello.
Does it support Unicode?
Yes. The tool decodes the binary bytes as UTF-8, so multi-byte Unicode characters are correctly reconstructed as long as the binary input represents valid UTF-8 byte sequences.
What happens with invalid binary input?
If a group contains characters other than 0 and 1, it will be parsed as NaN and may produce unexpected characters. Ensure each group contains only binary digits.
Is my data sent to a server?
No. All processing happens locally in your browser using JavaScript. Your data never leaves your device.
Can I use this to decode binary from other tools?
Yes, as long as the binary data represents UTF-8 or ASCII text and is formatted as space-separated 8-bit groups. This is compatible with the output of the Text to Binary tool.
Commonly Used With
Pair this tool with others in Text Utilities
Case Converter
Convert text to uppercase, lowercase, capitalize each word, or alternating case instantly.
HTML to Markdown Converter
Convert HTML tags to clean Markdown syntax instantly in your browser.
JSON Formatter
Beautify or minify JSON with customizable indentation. Validates syntax automatically.