Chmod Calculator
Convert Linux file permissions between octal (numeric) and symbolic formats. Click checkboxes or enter values directly.
Permissions
Owner (User)
7
Group
5
Others (World)
5
Enter 3 or 4 digits (0-7)
Enter 9 characters (r, w, x, or -)
Command Examples
chmod 755 filenamechmod u=rwx,g=rx,o=rx filenameCommon Permission Presets
Permission Reference
| Octal | Binary | Symbolic | Permissions |
|---|---|---|---|
| 0 | 000 | --- | None |
| 1 | 001 | --x | Execute |
| 2 | 010 | -w- | Write |
| 3 | 011 | -wx | Write + Execute |
| 4 | 100 | r-- | Read |
| 5 | 101 | r-x | Read + Execute |
| 6 | 110 | rw- | Read + Write |
| 7 | 111 | rwx | Full |