What does chmod 755 mean?

7 (rwx) for owner, 5 (r-x) for group, 5 (r-x) for others. The owner can read, write, and execute; everyone else can only read and execute.

What is the difference between 644 and 755?

644 is typical for files (owner can write, others read-only). 755 is typical for directories and executables (owner can write, others can execute/traverse).

Can I enter a numeric value and see the checkboxes?

Yes. Enter any octal permission number and the checkboxes update to show the corresponding permissions.

chmod Calculator

Convert between numeric (755) and symbolic (rwxr-xr-x) Unix file permission formats with full explanation.

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About chmod Calculator

Convert between numeric (755) and symbolic (rwxr-xr-x) Unix file permission formats with full explanation. Powered by JustUse.me — free, ad-free, and private. This tool runs entirely in your browser. Your files are never uploaded to any server.

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