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chmod Calculator

Build a numeric chmod command from owner, group, and other permissions.

This tool runs in your browser.
Choose permission sets.

How to use

  1. 01Choose owner, group, and other permissions.
  2. 02Calculate the chmod command.

FAQ

Does it change file permissions?

No. It only builds a command.

chmod Calculator: Can I use the result in production?

Treat generated, converted, or inspected output as a development aid. Validate security-sensitive values, commands, and configuration in the target environment before production use.

Does chmod Calculator upload my input?

TrueFree Tools processes the input in your browser and does not store it on our servers. Features that need browser permissions or access to a user-supplied address still follow the notice shown in the tool.