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Linux Permissions Calculator

Visual Linux file permissions calculator and chmod generator.

Owner

Group

Public

chmod 755 filename

Common Permissions

Permission ExplanationLinux file permissions consist of 3 sets of numbers, corresponding to Owner, Group, and Others. Read(r)=4, Write(w)=2, Execute(x)=1.

About This Tool

Linux Permissions Calculator is designed for developers and sysadmins. Visually set Read/Write/Execute permissions for Owner, Group, and Public via checkboxes to instantly generate the corresponding Octal (e.g., 755) and Symbolic (e.g., -rwxr-xr-x) notations. It includes built-in presets for common permissions (777, 755, 644, 400) and generates the chmod command for quick use. All calculations are performed locally in your browser.

Features

  • 🔢 Real-time Sync: Checkboxes, Octal, and Symbolic update instantly
  • 🐧 Presets: Built-in common permissions like 777, 755, 644, 400
  • 💻 Command Gen: Auto-generates chmod command for easy use
  • 📋 One-click Copy: Quickly copy results and commands
  • 🛡️ Local Processing: Everything runs in your browser

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