Linux chmod Calculator — File Permissions Explained Free
Calculate Linux file permissions visually. Convert between symbolic (rwxr-xr-x) and octal (755) notation. Generate chmod commands instantly. Free, no signup.
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Frequently Asked Questions
How do I use Linux Permissions Calculator?
Toggle the read/write/execute checkboxes for owner, group, and others. The octal value and chmod command update instantly below.
Is Linux Permissions Calculator free?
Yes, Linux Permissions Calculator on ToolPix is 100% free with no signup or installation required.
Is my data safe?
All calculations happen in your browser, no data is sent to any server.
What does chmod 755 mean?
7 (rwx) for owner — full permissions. 5 (r-x) for group — read and execute. 5 (r-x) for others — read and execute. Common for directories and executables.
What is the difference between 644 and 755?
644 (rw-r--r--) is for files — owner can read/write, everyone else reads only. 755 (rwxr-xr-x) is for executables and directories — owner has full access, others can read and execute.
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