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Text to Octal Converter – Free Online Octal Encoder/Decoder Tool

Convert any text to octal notation (base-8) or decode octal back to readable ASCII characters — instantly in your browser. Each character is encoded as a 3-digit octal number (e.g. 'A' → '101'), separated by spaces. Perfect for programmers, students learning number systems, and anyone working with low-level data representation. No login or installation required.

Conversion Direction

Try an example

How to Use the Text ↔ Octal Converter

Operation options:

  • Text → Octal: Enter plain text. Each character is encoded as a 3-digit octal number (e.g. A → 101), separated by spaces.
  • Octal → Text: Enter space-separated octal values (e.g. 110 145 154 154 157). Each group is decoded to its character.

How to use:

  1. Paste or type your input into the Input area.
  2. Select the conversion direction: Text → Octal or Octal → Text.
  3. The result appears instantly in the Output area. Use Copy to copy your result, or Clear to reset.

Tips:

For Octal → Text:

  • Each octal group must contain only digits 0–7.
  • Separate values with spaces — e.g. 110 145 154 154 157 decodes to Hello.

For Text → Octal:

  • Every character maps to its standard octal ASCII representation.
  • Spaces, punctuation, and special characters are all supported.