What this tool does
Chmod Calculator: free online Developer tool with clear controls, private processing where supported and verifiable results.
Input and output
Calculate permissions: the values you enter → the Chmod Calculator result, which you can copy and download when the tool produces a file
How to use Chmod Calculator
- Provide the values you enter.
- Leave Mode at its default "build" or choose another value.
- Leave Common template at its default "custom" or choose another value.
- Press "Calculate permissions" and review the result in the panel on the right.
- Download or copy the Chmod Calculator result, which you can copy and download when the tool produces a file.
Settings
Privacy and limitations
- Chmod Calculator runs entirely in your browser: the input is not uploaded, so it never leaves your device.
- Results depend on valid input and on the limits declared by each field above; this page does not promise a fixed processing time or file size.
Frequently asked questions
- Is my data uploaded when I use Chmod Calculator?
- No. This tool runs entirely in your browser, so the input stays on your device and is not uploaded.
- Which input does it accept?
- It works with the values you enter.
- What do I get back?
- After you press "Calculate permissions" the result panel shows the Chmod Calculator result, which you can copy and download when the tool produces a file, which you can copy or download.
- Can I change the settings?
- Yes. The page exposes Mode (Build from checkboxes, Convert octal or symbolic); Common template (Custom, 644 — rw-r--r--, 600 — rw-------, 755 — rwxr-xr-x, 700 — rwx------, 775 — rwxrwxr-x); Owner read (Yes, No); Owner write (Yes, No); Owner execute (Yes, No); Group read (Yes, No); Group write (Yes, No); Group execute (Yes, No); Other read (Yes, No); Other write (Yes, No); Other execute (Yes, No).
