Convert Unix file permissions between numeric (octal) and symbolic notation, with chmod command builder
| Read | Write | Execute | |
|---|---|---|---|
| Owner | |||
| Group | |||
| Other |
755
rwxr-xr-x
chmod 755 <file>
Owner: read, write, execute Group: read, execute Other: read, execute
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The Unix Permissions Calculator converts between numeric (octal) and symbolic permission formats used in Unix/Linux file systems. Toggle read, write, and execute permissions for owner, group, and others to see the corresponding chmod number, or enter a number to see the permission breakdown. Includes common permission presets and explains what each permission combination means for security.