What does chmod mean?

chmod stands for 'change mode' and is a Unix/Linux command used to modify file permissions.

How do I use the chmod calculator?

Enter a permission set in either symbolic (e.g., u+x) or numeric format (e.g., 755), then view the converted notation.

What are the limitations of this tool?

It only supports basic Unix permissions and doesn't handle advanced features like ACLs or SELinux contexts.

How does it compare to other chmod tools?

This browser-based version offers convenience with no need for installation, but lacks some specialized options available in full-featured apps.

Is my data secure when using this tool?

All calculations are performed locally within your web browser. No personal information is collected or stored.

chmod Calculator

Calculate Unix file permissions from symbolic or numeric notation

Result

Numeric

000

Symbolic

----------

Command

chmod 000 filename

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About This Tool

The chmod Calculator helps users convert between Unix file permissions' symbolic and numeric notations. Ideal for developers, system administrators, and anyone working with Linux or Unix systems.

Enter a permission set in either format to see the equivalent notation displayed instantly. The tool supports both octal numbers and symbols like 'rwx'.

Use this tool to quickly understand file permissions without needing external documentation or manual calculations. All operations occur within your browser, ensuring no data is sent or stored.