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Text to Octal
Convert text to octal online: every byte of your text is written as three octal digits, so "Hi" becomes 110 151. Type or paste your text and the octal codes appear as you type. Free, no sign-up, and nothing leaves your browser.
How to convert text to octal
- 1Type or paste your text into the input box
- 2Read the octal codes in the result box
- 3Click "Copy" to take them with you
- Your text as three-digit octal bytes, separated by spaces.
What you get
- Nothing is uploaded.The conversion runs in your browser, so your text stays on your device.
- Updates as you type.The result follows every keystroke, with no button to press.
- Works offline.Once the tool has been opened, it needs no connection.
What you can do
- Turn any text into base 8, three digits per byte, padded with leading zeros.
- Convert letters, digits, punctuation and line breaks. "A" is 101 and a space is 040.
- Write characters outside ASCII as their UTF-8 bytes, so "é" gives 303 251.
- Convert octal back with Octal to Text.
Good to know
- Every byte gets exactly three digits, from 000 to 377. There is no prefix such as 0o.
- The output is the UTF-8 encoding of your text, so one character can give up to four bytes.
- Codes are separated by single spaces.
Questions
How do I convert text to octal?
Paste your text into the input box. The octal codes appear in the result box straight away. Click "Copy" to copy them.
What is the octal code of the letter A?
"A" is 101 in octal, which is 65 in decimal.
Why are some codes above 200?
Characters outside ASCII use UTF-8 bytes of 128 or more, which are 200 or more in octal.
Is my text uploaded?
No. Your browser does the conversion on your own device.