Text to Octal Converter

Convert text to octal and back.

Each byte is shown as a 3-digit octal value (UTF-8).

Free text to octal converter. Convert text into octal byte values, or decode octal back into text, with UTF-8 support. A quick utility for encoding and low-level debugging. Runs in your browser.

How to use the Text to Octal Converter

  1. 01Choose Text → Octal or Octal → Text.
  2. 02Type text, or paste space-separated octal values.
  3. 03Copy the converted result.

Frequently asked questions

How are the octal values formatted?

Each UTF-8 byte is shown as a 3-digit octal number (000–377), separated by spaces, so multi-byte characters round-trip cleanly.