Firefox just added a feature that lets you shake your Android phone for page summaries

https://www.androidpolice.com/firefox-shake-to-summarize-feature/

Publish Date: 2026-06-22 14:15:00

AI-powered browser summarizers aren’t all that new, but Firefox’s latest implementation to trigger said feature most definitely is.

The browser, for reference, gained a ‘Shake to Summarize’ feature on iOS last year. Now, the feature has started landing for Android users as well.

I built my perfect browser with Firefox extensions — and now I can’t go back

I customized my browsing experience to fit my workflow

As it sounds, the feature lets you physically shake your Android device to summarize the web page you’re on. It works best for articles, like ours, which are 5,000 words or lower.

With its initial iOS-only implementation, the summarization worked via Apple Intelligence. For all other devices, which now includes Android devices, the summarization is processed by “Mozilla’s cloud-based AI” that is powered by Mistral-Small.

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