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Binary ↔ Text Converter

Convert plain text to binary code (0s and 1s) and binary code back to ASCII text instantly. Free, private, and runs 100% locally in your browser.

Best for:Encoding secret messages in binaryLearning computer science basicsDebugging binary encoded data streamsConverting ASCII strings to 8-bit bytes
Privacy-first processingConversion runs entirely in your browser memory. No text or binary data is sent to any server.
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Guide

Usage, privacy, and related tools

Best for

  • Encoding secret messages in binary
  • Learning computer science basics
  • Debugging binary encoded data streams
  • Converting ASCII strings to 8-bit bytes

Privacy

Conversion runs entirely in your browser memory. No text or binary data is sent to any server.

Quick tips

  • Standard ASCII characters convert to 8-bit binary bytes separated by spaces.
  • When converting binary to text, make sure bytes are 8 bits long for valid character rendering.
  • Supports UTF-8 characters beyond standard 7-bit ASCII.

How to use this tool

  1. Type or paste your text or binary string into the input area.
  2. Select the conversion mode: Text to Binary or Binary to Text.
  3. Copy the converted result or download it as a text file.

Common questions

How does text to binary conversion work?

Each character in your text is converted to its ASCII/Unicode decimal value, then converted to an 8-bit binary representation of 0s and 1s.

Does this tool work offline?

Yes, once loaded the converter functions completely offline without any internet connection.

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