Chmod Calculator
Convert file permissions between octal and symbolic.
Toggle read, write, and execute for owner, group, and others to get the numeric (e.g. 755) and symbolic (rwxr-xr-x) chmod values — or type a number to see the permissions.
| Read | Write | Execute | |
|---|---|---|---|
| Owner | |||
| Group | |||
| Others |
Symbolic
rwxr-xr-xRuns entirely in your browser — nothing is uploaded.
How to use the chmod calculator
- 1Check the permissions you want, or type an octal value.
- 2Read the octal and symbolic results.
- 3Copy the ready-to-run chmod command.
Frequently asked questions
What does chmod 755 mean?
Owner can read/write/execute (7); group and others can read and execute (5). It's common for scripts and directories.
Numeric vs symbolic?
Numeric uses digits 0–7 per role; symbolic uses letters like rwxr-xr-x. They represent the same permissions.