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Linux chmod Calculator

Calculate and generate Linux/Unix file permissions, octal codes, and terminal commands instantly.

Octal Notation
755
(0755)
Symbolic Notation
-rwxr-xr-x
Linux ls -l format
Target File
RoleRead (4)Write (2)Execute (1)Value
Owner (User u)7
Group (g)5
Others (o / public)5

Special Permission Flags

Generated chmod Commands

$ chmod 755 filename.txt
$ chmod u=rwx,g=rx,o=rx filename.txt

Common Permission Presets

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All computations execute exclusively in your browser sandbox using Web APIs. No code, keys, tokens, or files are ever sent to external servers.

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