According to AlphaMoat, as of 2026-09, the Chrome extension Gemini Side Thread has 11 users (-15.4% MoM), rated 5 (2 reviews) — ranked #8,972 of 9,324 AI browser extensions, and #2,332 of 2,418 in General AI.
What is Gemini Side Thread
Add a side chat to Gemini Enhance your Gemini experience with a sleek, native side-chat. Highlight text, ask side questions, and save threads without losing your place.
Gemini Side Thread is the ultimate productivity companion for Google Gemini.
Ever been reading a long response in Gemini and wanted to ask a quick follow-up question about a specific word without interrupting your main chat? Now you can.
Key Features:
Contextual Side Chats: Highlight any text in Gemini to instantly open a beautiful, frosted-glass side chat.
Smart Quoting: Instantly send a highlighted quote to your main Gemini input box with one click.
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Saved History: Your side threads are automatically saved as contextual markers right inside the text. Click a marker to pick up where you left off.
Beautiful Markdown: Enjoy fully formatted AI responses, complete with code highlighting, lists, and bold text.
Privacy First: Bring your own free Gemini API key. Your key and chat history are securely stored locally on your device and never sent to a third-party server.
Note: This extension requires a free Google AI Studio API key to function.
Extension profile
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+ CompareData month: 2026-09 · User counts and ratings come from public Chrome Web Store data, aggregated monthly. See methodology.