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Chmod Calculator

Calculate Linux/Unix chmod file permissions in numeric (755) and symbolic (rwxr-xr-x) form.

Developer Tools Free Private

File permissions

ReadWriteExecute
Owner
Group
Public

Common: 644 for files, 755 for folders and scripts. Avoid 777 on live servers.

Calculate Linux/Unix chmod file permissions in numeric (755) and symbolic (rwxr-xr-x) form.

What is the Chmod Calculator?

Set Linux file permissions without memorising numbers. Tick read, write and execute for owner, group and public, and the tool shows the numeric value (like 755), the symbolic value (rwxr-xr-x) and the chmod command.

How to use the Chmod Calculator

  1. Tick the permissions you need or type a number like 644.
  2. Check the symbolic form.
  3. Copy the chmod command.

Frequently asked questions

What does 755 mean?

Owner can read, write and execute; group and public can read and execute.

This chmod calculator is 100% free, needs no signup and runs in your browser, so your data stays private.

Last updated: · By NodifyTech

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