IndiaAIFounders — For the power users out there using Firefox extensions - be mindful of the extensions you're using and their CPU requirements.

For the power users out there using Firefox extensions - be mindful of the extensions you're using and their CPU requirements.

October 9, 2026 at 11:51 PM

I have an s25 ultra and use Firefox with a number of extensions including ublock, decentraleyes, dark reader, BitWarden, etc. Firefox has always been the number one app draining my battery by a large margin. After doing a deep dive on battery consumption per Firefox extension, I found out that Dark Reader in particular was a huge contributor to this drain because the app dynamically recalculates the CSS of every webpage element to invert colors in real-time. After switching to a much more efficient extension called UltimaDark, Firefox is consuming nearly 40% less power. I had no idea a single extension could eat up so much power.

submitted by /u/durful
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