Chmod Permissions Calculator
Runs 100% in your browser — your files never leave your device.
Unix permission numbers are easy to transpose when owner, group, and public access differ. Toggle read, write, and execute for each group or type a three-digit octal mode, then copy the matching chmod command and symbolic rwx representation.
How it works
- 1
Enter octal or toggle permissions
- 2
Review symbolic and numeric modes
- 3
Copy the chmod command
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