SoundFixer by Val Packett

Available on Firefox for Android™

Helps you fix annoying sound problems on sites like YouTube: audio in one channel only, too quiet or too loud. (Unfortunately, this extension does not work on all websites because of cross-domain issues — but it does work on YouTube!)

You'll need Firefox to use this extension

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Rated 4.4 out of 5
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About this extension

It’s annoying when audio on some videos is set to one channel only, too quiet, or maybe even too loud? SoundFixer helps you fix an array of common audio issues associated with streaming video.

No more "Plug your headphones only halfway into the jack" :D

(Unfortunately, doesn't work on all websites — specifically, we're not allowed to use the Web Audio API from a cross-domain <audio> source. Thankfully, YouTube is not cross-domain!)

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Release notes for 1.4.1

Added mono and flip to global controls

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