D
Devault

Chmod Calculator

Visual Unix permission calculator — numeric and symbolic notation

readwriteexecute
owner
group
others
Special
Numeric
755
Symbolic
rwxr-xr-x
Full
-rwxr-xr-x
Command
chmod 755
Octal
0755

How to use Chmod Calculator

Click checkboxes to set permissions, or enter a numeric value (like 755) and click Apply. Results show numeric, symbolic, and command formats.

Special bits

setuid (4xxx) — run as file owner. setgid (2xxx) — run as group. Sticky (1xxx) — only owner can delete.