Tool · Developer

Chmod Calculator

Calculate Unix file permissions visually.

Interactive

The chmod calculator workspace is being lifted from the original build.

The same logic you already rely on, dressed in the new editorial layout. Until it lands here, the notes below cover what the tool does and when it earns its keep.

Interactive chmod calculator for converting between numeric (755) and symbolic (rwxr-xr-x) notations.

Visual grid

Toggle Read/Write/Execute bits for Owner, Group, and Others to see the resulting code.

Command generation

Get ready-to-paste chmod commands for both recursive and single-file operations.

When it earns its keep

Fix permission denied errors
Secure sensitive configuration files
Prepare scripts for execution

Questions people ask

What is 755?

Owner has full access (7), Group and Others can only read and execute (5).