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Preview of AudioNormalizer

AudioNormalizer by Viloja

A lightweight extension that automatically normalizes the volume of audio and video elements across all websites to prevent sudden loud noises.

Available on Firefox for Android™
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About this extension
AudioNormalizer enhances your listening experience by applying a dynamic range compressor to HTML5 media elements on any website you visit (such as YouTube or Twitch). It automatically reduces the volume of loud sounds and boosts quiet ones, ensuring a consistent and comfortable audio level.

Features:
- Toggle normalization on or off for specific websites.
- Remembers your preferences per domain.
- Fully compatible with Firefox for Android.
- 100% local processing with zero data collection or telemetry.
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Permissions and data

Required permissions:

  • Access browser tabs
  • Access your data for all websites

Data collection:

  • The developer says this extension doesn't require data collection.
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More information
Version
1.3.1
Size
35.89 KB
Last updated
a month ago (Mar 7, 2026)
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