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Chmod Calculator

Choose file permissions and generate a safely quoted chmod command for Linux.

Owner
Group
Others
Special permissions

Ready when you are.

Read = 4, write = 2, execute = 1. Choose permissions or enter a 3- or 4-digit octal mode. Special bits are included in the leading digit. The path is shell-quoted and preceded by --. This tool generates a command; it does not run it.

Your inputs stay in this browser. These tools do not upload your text or colors.

CAT SETTINGS
HIDDEN SIGNAL

Some familiar corners may glitch into something unexpected.

Signal idle--
PIXEL DETAIL

Applied to every cat portrait.