Vol Boost by DevSOA
Boost your tab's audio volume up to 600% with a simple slider. Works on any website with video or audio content.
Available on Firefox for Android™Available on Firefox for Android™
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About this extension
Vol Boost lets you increase the volume of any tab beyond the default system limit — up to 600% amplification.
Features:
- Simple slider control from 0% to 600%
- Quick preset buttons: 0, 100, 200, 400, 600
- Settings are saved and restored automatically
- Works on any website with video or audio content
- Lightweight — no tracking, no data collection
Useful for videos with low audio, conference calls, music streaming, or any situation where the system volume isn't enough.
(Note for Android: Audio may pause briefly when the extension connects to a media source for the first time on a page.)
Features:
- Simple slider control from 0% to 600%
- Quick preset buttons: 0, 100, 200, 400, 600
- Settings are saved and restored automatically
- Works on any website with video or audio content
- Lightweight — no tracking, no data collection
Useful for videos with low audio, conference calls, music streaming, or any situation where the system volume isn't enough.
(Note for Android: Audio may pause briefly when the extension connects to a media source for the first time on a page.)
Rated 5 by 2 reviewers
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
- 2.1
- Size
- 17.41 KB
- Last updated
- 6 days ago (Mar 23, 2026)
- Related Categories
- License
- MIT License
- Privacy Policy
- Read the privacy policy for this add-on
- Version History
- Add to collection