Unix Permissions Calculator

Enter 3 or 4 digit octal number (e.g., 755, 0644)

Format: rwxrwxrwx (owner, group, others)

Permission Grid

Read (r) Write (w) Execute (x) Value
Owner 7
Group 5
Others 5

Free Online chmod Calculator

Convert between numeric (octal) and symbolic Unix file permissions. Use the visual editor to toggle individual permissions or select from common presets. Get the chmod command ready to copy.