Chmod Calculator
Unix file permissions converter — octal, symbolic, and checkbox grid, always in sync.
Loading tool…
Unix file permissions converter — octal, symbolic, and checkbox grid, always in sync.
3 or 4 digits (0-7). Optional leading special-bit digit for setuid (4), setgid (2), sticky (1).
9 characters (rwxrwxrwx) or 10 with a leading file-type (- d l b c s p).
chmod 0755 filechmod u=rwx,g=rx,o=rx file111 101 101-rwxr-xr-xOwner can read, write, and execute. Group can read and execute. Others can read and execute.
Tip: ⌘↵ re-applies the octal value. Everything runs in your browser — the permission string never leaves your device.