Owner
Group
Others
Read
Write
Execute
Octal
755
Symbolic
rwxr-xr-x
chmod 755 filename
About Chmod Calculator
Calculate Linux file permissions in octal and symbolic notation. This free online tool works directly in your browser with no installation or signup required. Your data stays private as all processing happens locally on your device.
Features
- 100% free, no registration needed
- Works offline - all processing in your browser
- Privacy-first: your data never leaves your device
- Mobile-friendly responsive design
- Available in 10 languages