Unix Permissions Calculator
Convert chmod octal (e.g. 755, 0644) to symbolic notation (rwxr-xr-x) and back. Classic rwx triplets. Runs in your browser.
Free Online Unix Permissions Calculator
The Unix Permissions Calculator is a high-speed, privacy-first web utility in the Linux Tools suite designed to convert chmod octal (e.g. 755, 0644) to symbolic notation (rwxr-xr-x) and back. classic rwx triplets. runs in your browser directly in your browser without requiring software installations, browser extensions, or account registrations.
Technical Specifications & Architecture
- Execution Environment:
- 100% Client-Side Browser Sandbox
- Data Privacy:
- Zero Server Storage / No Tracking
- Processing Speed:
- Real-time local CPU execution
- Cross-Platform:
- Works on Windows, macOS, Linux, iOS & Android
Local Processing for Linux Tools
This tool runs within your browser sandbox using modern Web APIs. Inputs are processed on your local device CPU, avoiding network latency and ensuring your data is never stored on external servers or accessible to third parties.
Provide Input
Enter, paste, or upload your data into the input field above.
Configure & Process
The tool immediately processes your input in real time according to your chosen settings.
Copy or Save
Use the Copy button to copy the output to your clipboard, or download the result to your device.
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Frequently Asked Questions
- How do I read chmod 755?
- 755 in octal means owner rwx (7), group r-x (5), others r-x (5). Symbolically: rwxr-xr-x. Common for executable scripts and directories.
- What is the first digit in 4755?
- The optional fourth octal digit sets special bits: 4 setuid, 2 setgid, 1 sticky. 4755 means setuid on the file plus rwxr-xr-x for the permission triplets.
- Is my input uploaded?
- No. All conversion runs locally in your browser.