chmod Calculator

Calculate Unix file permission values visually.

user
6
group
4
other
4

Numeric

644

Symbolic

rw-r--r--

chmod 644 filename

About chmod Calculator

This is a free, fast, and fully client-side chmod calculator tool. All processing is done locally within your browser to ensure maximum privacy and security. No data is sent to our servers. Bookmark this page for quick access to ad-free, high-performance SEO and developer utilities.