Free Linux Chmod Permissions Calculator (Octal & Symbolic) Online
Visual Linux chmod file permissions calculator. Convert between octal (755, 644, 777), symbolic (rwxr-xr-x), and command-line syntax. — 100% free online utility, zero sign-up, zero paywalls, and private client-side processing.
How It Works
Select Owner Bits
Toggle Read (4), Write (2), and Execute (1) permissions for file owner.
Select Group & Public Bits
Set permissions for group members and world/public.
Copy Chmod Command
Copy generated command (e.g., chmod 755 filename).
Frequently Asked Questions
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