Volumemaxxing by Kernocal
Maximize ANY (hopefully) website playing audio up to 600%
ExperimentalExperimental
Extension Metadata
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About this extension
Why another volume booster? Firefox doesn't support capturing tab audio as aggressively as Chromium does. As a result other booster extensions often break on:
- DRM content
- websites doing aggressive stuff like messing with captureStream()
- dynamic audio through
- Web Audio API
- Media Source API
- Audio() constructor
- WebRTC AudioTrack
- probably AudioWorklet in the future
This extension tries to overcome most of these issues.
- DRM content
- websites doing aggressive stuff like messing with captureStream()
- dynamic audio through
- Web Audio API
- Media Source API
- Audio() constructor
- WebRTC AudioTrack
- probably AudioWorklet in the future
This extension tries to overcome most of these issues.
If a website doesn't work please request it https://github.com/Kernocal/firefox-volumemaxxing/issues/new?template=website-request.md
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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.
More information
- Add-on Links
- Version
- 0.1.1
- Size
- 89.37 KB
- Last updated
- 4 days ago (Apr 20, 2026)
- Related Categories
- License
- Mozilla Public License 2.0
- Version History
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