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Mozilla Unveils 'Shake to Summarize' Feature for Firefox

9/9/2025

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Summary

Story summary

Mozilla is launching "Shake to Summarize" for Firefox on iPhone this week.
Users can shake their device for AI-generated webpage summaries or access them via a menu.
The feature supports pages under 5,000 words, using on-device AI for iPhone 15 Pro and newer; older models rely on cloud AI.
Initially available in the U.S. in English, with plans for broader expansion.
Users can disable the feature to avoid accidental use.

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Story summary

Mozilla is launching "Shake to Summarize" for Firefox on iPhone this week.
Users can shake their device for AI-generated webpage summaries or access them via a menu.
The feature supports pages under 5,000 words, using on-device AI for iPhone 15 Pro and newer; older models rely on cloud AI.
Initially available in the U.S. in English, with plans for broader expansion.
Users can disable the feature to avoid accidental use.