Chmod Calculator

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Converters

Calculate Unix permissions between octal, symbolic, and English.

Local processingNo input is sent to a server.
Input3 characters
OutputReady
Add an input and run this tool to see the output.
Run AIOptional, bring your own key.

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Tool overview

Translate chmod permission numbers (755, 644) into symbolic representation (-rwxr-xr-x) and breakdown tables for Owner, Group, and Others.

What this tool supports

  • Converts between 3/4-digit octal permissions and symbolic notation.
  • Provides detailed breakdown for Owner, Group, and Others with binary flags.
  • Outputs ready-to-use chmod command lines for your terminal.

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