Chmod Calculator
Calculate Unix and Linux file permissions with owner, group, and other toggles plus octal, symbolic, and command output.
Best For
Use Chmod Calculator when you need to inspect, convert, compare, or package technical material quickly. The page is designed around a focused workflow: bring in the code, data, markup, URL, or technical file, make the adjustment or check, then copy or download the result for your repo, ticket, documentation, or handoff.
Most work happens locally in your browser, which keeps files and text on your device and makes quick repeat checks practical. Review the output, then copy or download the result for your repo, ticket, documentation, or handoff.
Common workflows
- Chmod Calculator for Fixing Linux File Permissions
- Chmod Calculator for WordPress Permissions
- Chmod Calculator for SSH Key Permissions
- Chmod Calculator for Executable Script Permissions
Features
Permission Matrix
Toggle read, write, and execute permissions for owner, group, and other users.
Octal And Symbolic
See chmod octal notation and rwx symbolic notation update instantly.
Copy Command
Copy a ready-to-run chmod command with your chosen path.
How It Works
Toggle read, write, and execute boxes for each permission group.
Check the octal value, symbolic string, and chmod command.
Copy the command and replace the path if needed.
Frequently Asked Questions
Related Tools
Build and validate cron expressions with plain-English descriptions, presets, syntax help, and next run times.
Convert IPv4 addresses, calculate CIDR subnet details, and summarize address ranges into covering CIDR blocks.
Convert files to Base64 data URLs or raw Base64 and decode Base64 back into downloadable files.