Chmod Calculator

Tick the permissions you want, or type an octal value like 644, and get the matching chmod command.

Runs in your browser — nothing is uploaded
ReadWriteExecute
Owner
Group
Others

Common: · · · ·

How to use Chmod Calculator

  1. Tick read, write and execute for owner, group and others — or type the octal value.
  2. Copy the chmod command.

Questions

What do 755 and 644 mean?

755 (rwxr-xr-x) lets the owner read, write and run the file and everyone else read and run it — typical for folders and scripts. 644 (rw-r--r--) lets only the owner write — typical for regular files.