Chmod Calculator

$ _ ready RunDev

Calculate Unix file permissions. Convert between symbolic and numeric chmod notation.Updated 2026-03-11

Numeric → Symbolic

chmod

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Ctrl+Enter Run   Ctrl+Shift+C Copy output

How to Use

  1. Paste your code or data into the input
  2. Review output with syntax highlighting
  3. Check validation messages for issues
  4. Click Process or press Ctrl+Enter

FAQ

Does it support large files?

Handles reasonably large inputs. Files over 10MB may take a few seconds depending on your device.

What browsers are supported?

All modern browsers: Chrome, Firefox, Safari, Edge. Some features need recent versions.

Can I integrate this into my workflow?

Bookmark for quick access. The URL updates with settings for sharing configurations.

Which standards does it follow?

Follows the latest official specifications — RFC, W3C, or ECMA as applicable.

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