adaptive-zoom

Firefox extension that automatically adjusts zoom based on window width for optimal readability

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readme · slastra/adaptive-zoom

Adaptive Zoom

Automatically adjusts Firefox's zoom level based on window width for optimal readability.

Features

  • Configurable zoom ranges and animation settings
  • Smooth transitions as you resize your window
  • Settings synced across Firefox installations
  • Native Firefox UI with light/dark mode support

Installation

Visit addons.mozilla.org and search for "Adaptive Zoom"

From Source

  1. Download or clone this repository
  2. Open about:debugging#/runtime/this-firefox in Firefox
  3. Click "Load Temporary Add-on" and select manifest.json

Configuration

Access settings through Firefox's Add-ons Manager. Customize:

  • Zoom ranges (minimum/maximum width and zoom levels)
  • Animation speed and smoothness
  • Performance tuning options

Default behavior: 1000px → 100% zoom, 4000px → 200% zoom

License

MIT License - see LICENSE file for details