Chmod Permissions Calculator
Tick the permissions you want, or type a value like 755 or rwxr-xr-x.
| Read | Write | Execute |
|---|
Tick who can read, write and execute a file, or type a value such as 755. Every format updates, and the chmod command is ready to copy.
Features
Use Cases: When This Tool Helps
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Fix "Permission denied" errors
Find the right permissions when a script or website file won't run or load.
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Secure WordPress and web hosting
Set recommended 644 for files and 755 for folders on your server.
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Protect SSH keys and secrets
Use 600 for private keys and config files so other users can't read them.
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Understand ls -l output
Translate rwxr-xr-x into octal and know who can read, write, or execute.
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Write deployment scripts
Get the exact chmod command for setup scripts and Dockerfiles.
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Study for Linux exams
Practice octal and symbolic permissions for Linux+ and LPIC certifications.
How to Use
- Tick the permissions or type a value.
- Enter a file or folder name.
- Copy the chmod command.
FAQ
What does 755 mean?▾
The owner can read, write and execute. Everyone else can read and execute.
Is 777 safe?▾
Rarely. It lets every user on the system change the file.