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Chmod calculator

Compute your chmod permissions and commands with this online chmod calculator

Permissions
Owner (u)
Group (g)
Public (o)
Read (4)
Write (2)
Execute (1)
000
chmod 000 path
Note: Chmod (change mode) is a Unix command used to set file and directory permissions. Permissions are calculated by adding values: Read (4), Write (2), and Execute (1). Common combinations include 755 (rwxr-xr-x), 644 (rw-r--r--), and 777 (rwxrwxrwx).

About this tool

Use it to

  • Calculate Unix/Linux file permission values
  • Understand chmod numeric notation (777, 755, 644)
  • Generate chmod commands for file operations
  • Learn about read, write, and execute permissions
Web Files (644)
Owner can read/write, group and public can only read. Common for web content files.
Executable Scripts (755)
Owner has full control, group and public can read/execute. Standard for scripts.

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