Chmod Calculator

Toggle Unix file permission bits and get the numeric and symbolic chmod notation instantly.

Category: Developer · v1.0.0
Numeric
755
Symbolic
rwxr-xr-x
Read (4) Write (2) Execute (1)
Owner
Group
Others
chmod 755 filename

About This Tool

A visual Unix file permissions calculator that lets you toggle read, write, and execute bits for owner, group, and others, then instantly see the corresponding numeric and symbolic chmod notation. A must-have for Linux system administrators and developers who frequently set file permissions. Eliminates the need to memorize permission numbers.

How to Use

  1. Toggle the read, write, and execute permission checkboxes for owner, group, and others
  2. View the numeric chmod value update in real time (e.g., 755)
  3. See the equivalent symbolic notation (e.g., rwxr-xr-x)
  4. Copy the chmod command to use in your terminal