Chmod Permissions Calculator
Calculate Linux and Unix file permissions visually in octal (755, 644) and symbolic (rwxr-xr-x) notation.
Popular Presets:
User / Owner
7
Group
5
Public / Others
5
Octal Notation
755
Symbolic Notation
-rwxr-xr-x
chmod 755 script.shHow to Use the Chmod Permissions Calculator
1
Check or uncheck Read (r), Write (w), and Execute (x) boxes for Owner, Group, and Public.
2
Or pick a standard preset like 755 (Executables) or 644 (Static Files).
3
Copy the resulting numeric octal code, symbolic notation, or terminal command.
Key Capabilities & Features
- •Interactive 3x3 permission matrix for Owner, Group, and Others
- •Instant translation between octal values and symbolic flags
- •Generates executable bash commands (`chmod 755 filename`)
Input FormatsInteractive Matrix, Octal Number, Presets
Output FormatsOctal Code, Symbolic Notation, Shell Command
100% In-Browser Privacy Guarantee
Your files and data remain strictly on your device. All computations, image processing, and PDF manipulations happen locally in your web browser via WebAssembly and HTML5 APIs. No files are uploaded or stored on any remote servers.