Nov. 2024 - Dec. 20244 min read
What I Learned Building a Browser Extension Around Chrome's Built-in AI
Chrome's Prompt, Summarizer, and Translator APIs make on-device AI a reality. InstaQ stitches them together so any webpage becomes a Q&A surface — with sessions you can come back to.
ChromePrompt APIOn-Device AIExtension
On-device AI in the browser changes the assumption that every AI feature needs a server. InstaQ is a browser extension built on Chrome's built-in Prompt, Summarizer, and Translator APIs that lets users ask questions, summarize, and translate any page — locally.
Sessions, not single shots
The thing that turns this from a toy into a tool is session storage. Conversations resume where you left them, with the original page context preserved. You can come back to a research thread tomorrow on a different tab.