Developer Tools•Free Online Tool
Chmod Linux Permissions Calculator
Visual, interactive Unix & Linux file permissions calculator. Toggle Read, Write, and Execute checkboxes for Owner, Group, and Public to instantly generate octal chmod codes, symbolic strings, and ready-to-use terminal commands.
100% Free & Private
Octal Notation
755
e.g. chmod 755 filenameSymbolic Notation
-rwxr-xr-x
Standard Unix ls -la output style Terminal Command
chmod 755 myfile.txt
Recursive: chmod -R 755 folder/Interactive Permission Checkboxes
| User Role | Read (r / 4) | Write (w / 2) | Execute (x / 1) | Score |
|---|---|---|---|---|
Owner / User (u) File creator / owner | 7 | |||
Group (g) Users in file's usergroup | 5 | |||
Public / Others (o) All other system accounts | 5 |
Common Linux / Web Server Presets
How to Use Chmod Linux Permissions Calculator
1
Input & Parameters
Check the boxes for Read, Write, and Execute for each user role.
2
Automatic Calculation
Copy the numeric code (e.g., 755) or the full chmod command.
Frequently Asked Questions
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