Chmod Calculator

Owner can read/write/execute (7), group can read/execute (5), others can read/execute (5). Standard for directories and scripts.

Owner can read/write (6), group can read (4), others can read (4). Standard for regular files.

Yes, 777 gives everyone full read/write/execute access. It's a security risk and should almost never be used on production systems.

The Chmod Calculator is an online tool that lets you calculate unix file permissions in numeric and symbolic notation. It is part of NexTool's collection of free tools designed to help you work faster and more efficiently.

Using the Chmod Calculator is simple: visit the tool page, enter your data or input into the provided fields, and get instant results. Follow the controls on the page. Some functions require sign-in or a paid plan; see Pricing for limits.

The Free plan includes 10 tool uses per day. Some features require an account or a paid plan. Check the controls on the tool page and Pricing for the applicable limits.

The Chmod Calculator returns results based on the inputs and the tool methodology. Check assumptions, units and source dates. Treat projections as estimates. For critical decisions, always consult a qualified professional.

The Chmod Calculator is designed to be language-agnostic where applicable. It processes input directly in your browser, so there are no compatibility issues. Check the tool description for specific format support.