Developer

Chmod Calculator

Unix file permissions in octal and symbolic form. Free, no sign-up, and it runs in your browser — your files are never uploaded.

How to use

1. Tick permissions or type an octal value
2. Copy the chmod command

Questions

Do I need an account?

No. Every tool is free to use without signing up.

Is my data uploaded?

No. This tool runs in your browser, so the text and files you use stay on your device.

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