Chmod Calculator
Calculate Linux file permissions: tick read, write and execute boxes to get the octal mode and symbolic string, or enter an octal value. Free, fast and private.
Tick the permissions for owner, group and others:
Your result will appear here.
How to use Chmod Calculator
- Tick read, write and execute for owner, group and others, or type an octal mode like 755.
- Click the matching Calculate button.
- Copy the chmod command and use it on your server.
Note: this tool runs in your browser. Nothing is uploaded.
Frequently Asked Questions
Is this tool free?
Yes, it is 100% free with no sign-up. Your data stays in your browser.
Do I need to install anything?
No. It works in any modern browser on phone, tablet or computer.
Is my data uploaded?
No. This tool runs entirely in your browser and your input is never uploaded to a server.
What does chmod 755 mean?
Owner can read, write and execute (7), group and others can read and execute (5 each). It is the common setting for executable files and folders on a web server.