Firefox’s Smart Window adds AI form filling and webpage monitoring
News Source
•2026-10-27T12:14:18-04:00
📰 What Happened
Mozilla is adding two features to Smart Window, the AI browsing mode in Firefox. The first can fill out online forms using information from your open tabs.
Click into a form with at least four text boxes and you will see a "Fill from sources" option. It lists the tabs Firefox plans to read, and you can switch any of them off. Mozilla's example is copying your work history from a LinkedIn page or portfolio into a job application.
The second feature watches web pages for you. Type "/watch" in the chat, describe what you want, and add the pages. Firefox checks daily or weekly and sends a notification when it spots a change.
🔍 The Backstory
Smart Window is Mozilla's answer to other AI browsers, which put a chatbot in a side panel that can read the page you are on and do tasks for you.
AI form filling is not new. Chrome and many password managers already offer it. What is different here is that the suggestions are built from pages you already have open, not from a stored profile.
Mozilla says text from those pages is sent to Google's Gemini 3.1 Flash Lite model to write the suggestions. Both features are rolling out in beta on desktop in the US and Canada first, with other countries later.
🎯 Why It Matters
Filling out job applications and watching for sales takes time. But it also means an AI model may read your open tabs, so check what you let it use.
Mozilla is adding two features to Smart Window, the AI browsing mode in Firefox. The first can fill out online forms using information from your open tabs.
Click into a form with at least four text boxes and you will see a "Fill from sources" option. It lists the tabs Firefox plans to read, and you can switch any of them off. Mozilla's example is copying your work history from a LinkedIn page or portfolio into a job application.
The second feature watches web pages for you. Type "/watch" in the chat, describe what you want, and add the pages. Firefox checks daily or weekly and sends a notification when it spots a change.
Smart Window is Mozilla's answer to other AI browsers, which put a chatbot in a side panel that can read the page you are on and do tasks for you.
AI form filling is not new. Chrome and many password managers already offer it. What is different here is that the suggestions are built from pages you already have open, not from a stored profile.
Mozilla says text from those pages is sent to Google's Gemini 3.1 Flash Lite model to write the suggestions. Both features are rolling out in beta on desktop in the US and Canada first, with other countries later.
Filling out job applications and watching for sales takes time. But it also means an AI model may read your open tabs, so check what you let it use.