chmod Calculator

Unix permissions between symbolic and octal notation.

Runs entirely in your browser. Nothing you type or paste is sent anywhere.

Permissions

SetuidRun as the file’s ownerSetgidRun as the group; directories pass on their groupStickyOnly owners can delete in a shared directory

Octal

3 or 4 digits, like 755 or 2775

Symbolic

As ls -l shows it, like rwxr-xr-x

In plain words

File or directory

Apply to everything inside (-R)

$ chmod 644 deploy.sh

$ chmod u=rw,g=r,o=r deploy.sh

Describe what you want to do and get the right git commands, with warnings.

Binary, octal, decimal and hex with a bit view and two’s complement.