Tools
Chmod Calculator
Calculate Linux file permissions visually. Toggle Read/Write/Execute for Owner, Group, and Others. See octal and symbolic notation.
Owner (u)
Group (g)
Others (o)
Octal
755
Symbolic
rwxr-xr-x
Command
chmod 755 file
4 = read, 2 = write, 1 = execute. Common: 755 (dirs), 644 (files), 600 (private), 777 (public).
Chmod Calculator - CodeTools Toolbox - Free online developer tools.