Octal ASCII Code Decoder

Paste text to get octal codes, or paste octal numbers to decode back to text.

Encode Decode

Enter text on the left and click Convert to begin.

How to use

Why would someone convert text to octal?

Octal was common in early computing. Some Unix system calls and file permissions still use octal notation.

What is the octal value of the letter A?

Uppercase A is octal 101, which equals decimal 65 in ASCII.

Are spaces between octal values required?

Yes. This tool uses space-separated octal triplets to clearly delimit each character.

Does octal encoding secure data?

No. Octal is just a number base representation. It is not encryption and is trivially reversible.