The Mozilla Foundation is currently rolling out a page summarization feature for Firefox on iOS, initially available only to English-speaking users in the United States, with support for other languages and regions yet to be announced.
Unlike Google and other mainstream summarization tools, Firefox allows users to access the summary simply by shaking their device. For those who find this gesture unusual, an alternative option is available: tapping the lightning icon located on the right side of the address bar will also generate a summary.
The feature leverages Apple Intelligence and is supported only on iOS 26 and later versions. For iPhones that lack on-device AI support, Firefox transmits the data to Mozilla’s AI servers in the cloud, where the summary is generated and then delivered back to the user.
At present, Firefox limits its summarization feature to webpages under 5,000 words. For longer content, AI processing may take considerably more time, which is why Mozilla has not yet enabled support for large-scale text summarization.
This new feature reflects Mozilla’s active embrace of AI capabilities. In May, the desktop version of Firefox introduced a link preview function, allowing users to hover over a hyperlink and invoke AI to generate a page preview—helping them decide whether to click through for full details.
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