Chmod calculator
Convert Linux file permissions between checkboxes, numbers like 755 and symbols like rwxr-xr-x, and get the chmod command.
How to use the chmod calculator
- Tick read, write and execute for owner, group and others, or type 755 or rwxr-xr-x.
- Pick a preset if you are not sure.
- Copy the chmod command.
Frequently asked questions
What does 755 mean?
Owner can read, write and execute (7); group and others can read and execute (5). It is common for scripts and folders.
What does 644 mean?
Owner can read and write; everyone else can only read. It is the usual setting for files.
Why avoid 777?
It lets every user on the system change or replace the file, which is a security risk.
Related tools
Everything runs in your browser. Your files and text are never uploaded.