How do I use the Chmod Calculator?

Toggle read, write, and execute permissions for owner, group, and others. Review the numeric value and symbolic permission string as they update automatically. Copy the generated chmod command to use in Terminal or documentation.

Is the Chmod Calculator free?

Yes, the Chmod Calculator is completely free. It runs entirely in your browser with no signup, no download, and no data sent to any server.

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calculator

Chmod Calculator

Convert Unix file permissions between numeric and symbolic forms while generating a ready-to-copy chmod command.

chmod calculatorunix permissions calculatorfile permission calculatorchmod command generator

Numeric mode Filename

Toggle permissions or type a three-digit mode like 755 to update everything in real time.

Numeric

755

Symbolic

rwxr-xr-x

chmod command

chmod 755 filename

Common presets make it easy to switch between open development modes, typical executable permissions, and private file settings.

How to use

How to Use the Chmod Calculator

1 Toggle read, write, and execute permissions for owner, group, and others.
2 Review the numeric value and symbolic permission string as they update automatically.
3 Copy the generated chmod command to use in Terminal or documentation.

The Chmod Calculator converts Unix file permissions into numeric and symbolic formats so you can understand exactly what each permission set means. It is a handy chmod calculator for Linux, macOS, and server administration tasks.

Whether you need a Unix permissions calculator, a file permission calculator, or a quick chmod command generator, this tool helps you avoid mistakes when setting access rights on files and directories.

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