Chmod Calculator
Calculate Unix file permissions visually
Quick Presets
644 — Standard File
755 — Executable
777 — Open (all)
600 — Private
400 — Read-only
700 — Owner only
664 — Group write
Permission Grid
Owner
Group
Others
Read (r)
Read (r)
Read (r)
Write (w)
Write (w)
Write (w)
Execute (x)
Execute (x)
Execute (x)
Result
Octal
644
Symbolic
rw-r--r--
Command
chmod 644 filename
Copy
Manual Input
Octal (e.g. 755)
Symbolic (e.g. rwxr-xr-x)