Chmod Calculator maps user, group, and other read/write/execute checkboxes to octal and symbolic modes. Paste an octal value like 644 to drive the checkboxes in reverse.
What Chmod Calculator does
Bidirectional Unix mode conversion.
- u/g/o rwx checkboxes
- Octal field
- Symbolic string
- Live sync
Who Chmod Calculator is for
- Sysadmins on servers
- Developers fixing deploy perms
- Students learning Unix modes
- Anyone drafting chmod commands
How to use Chmod Calculator
1. Toggle rwx boxes or type octal.
2. Read octal and symbolic outputs.
3. Copy the mode into your chmod command.
4. Remember directories often use 755 and files 644.
Features
- Live updates
- Related network tools
- Local only
- Clear labels
Examples
- Build 755 for a script directory.
- Set 600 for a private key file.
- Decode 2775 when sticky/setgid bits are absent here (basic rwx only).
Tips and limits
- Special bits (setuid/setgid/sticky) are not included in this simple UI.
- ACLs are out of scope.
- Always confirm ownership with chown separately.
- Windows WSL paths still use Unix modes in the guest.
Related tools
FAQ
Does it support setuid?
Not in this version. It focuses on basic rwx octal.
Can I type symbolic and reverse?
Octal reverse is supported; checkboxes drive symbolic output.
Extra notes
Chmod Calculator runs entirely in your browser so drafts and secrets never need to leave your device for processing. Keep a backup of long outputs in your own notes if you rely on them for production servers or live events. Accessibility friendly labels come from the module UI strings, and the layout follows the shared BeeForge .bf-tool shell for consistent spacing and buttons.
Support for developers, marketers, and everyday users is the same client-side model: open the page, configure options, copy or download, then paste into your workflow. BeeForge related links on the tool page point to companion utilities so you can move between related generators without hunting the hub.
When you share results with a teammate, paste into a ticket or gist rather than screenshotting alone, so the text remains searchable. If a browser privacy mode blocks clipboard helpers, select the output manually. Local processing also means the tool works offline after the page and scripts have loaded once.
Validate generated configs or hashes in a staging environment before production use. Prefer regenerating secrets after any accidental paste into chat. For teaching sessions, walk through one sample input end to end so students see how live updates and copy buttons behave together.