Chmod Calculator
Calculate Unix file permissions
🔒 Files never leave your browser
| Read (4) | Write (2) | Execute (1) | Octal | |
|---|---|---|---|---|
| Owner | 7 | |||
| Group | 5 | |||
| Other | 5 |
Numeric:
755 Symbolic:
rwxr-xr-x Command:
chmod 755 filename Symbolic Command:
chmod u=rwx,g=rx,o=rx filename Common:
How to Use Chmod Calculator
Set permissions
Click rwx checkboxes for each role.
View numeric
See the numeric chmod value (e.g. 755).
Copy command
Copy the chmod command.
Why Choose AllTools Chmod Calculator?
- ✓ rwx checkboxes
- ✓ Numeric output
- ✓ Symbolic notation
- ✓ Bidirectional
- ✓ Common presets
- ✓ No data stored
Why Use This Tool
- ★ No data leaves your browser — safe for proprietary code and sensitive data
- ★ Instant processing with zero server latency
- ★ No account or API key required
- ★ Works offline after initial page load
- ★ Supports latest syntax standards and specifications
Related Resources
Frequently Asked Questions
What does chmod 755 mean? ▼
Owner has read+write+execute (7), group and others have read+execute (5). Common for executable files.
What is chmod? ▼
chmod (change mode) is a Unix/Linux command that sets file and directory permissions for owner, group, and others.
Is this tool free? ▼
Yes. AllTools is 100% free with no account required. All processing happens in your browser.
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