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Chmod Calculator

Calculate Unix file permissions with a visual editor. Toggle read, write, and execute for owner, group, and others. Get octal and symbolic notation instantly. All processing happens in your browser.

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Permissions

	Read (4)	Write (2)	Execute (1)

Enter octal value

Common Presets

Result

Octal

Symbolic

ls -l output

Command

// how it works

How it works

step 01

Toggle

Check read, write, and execute permissions for owner, group, and others. Or type an octal value directly.

step 02

Read

See the octal value, symbolic notation, and ls -l output update in real time.

step 03

Use

Copy the chmod command and run it in your terminal. Common presets are one click away.

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