Chmod Calculator
Convert between octal and symbolic file modes.
How to use Chmod Calculator
Chmod Calculator — Convert a Unix file mode between octal digits and the symbolic rwx form. Free to use in D2i DevTools — no account required.
Steps
- Fill in Mode. This field is required.
- Click Run and copy the result under the form.
Frequently asked questions
What is Chmod Calculator used for?
Use it when a chmod command wants 755 and you have rwxr-xr-x, or the reverse.
How do I use the free online Chmod Calculator tool?
Fill in Mode. This field is required. Click Run and copy the result under the form.
What can I paste or upload into Chmod Calculator?
Enter 1 to 4 octal digits, such as 755, or 9 symbolic characters, such as rwxr-xr-x. A leading file-type character is ignored.
What output does Chmod Calculator give me?
Both forms. Octal is printed as 4 digits. Symbolic includes s, S, t, and T when setuid, setgid, or sticky is set.
Is Chmod Calculator free, and is my input private?
Yes — Your input is processed in memory for this request only. It is not saved to disk or the database, and it is cleared after the tool finishes.
Does this change a file on the server?
No. It only translates the mode you typed. Nothing on disk is updated.
Inputs are processed in memory only and are not saved to disk or the database. Data exists only for the duration of your request.