Google Meet captions as a local transcript recorder

I’m a man of simple needs. All I want is: when I’m on Google Meet, I turn on captions. I wanted to click a bookmarklet and save those captions into a local Markdown file. (So that an AI agent can guide me from it.) Hence, Google Meet Captions. The code is in gmeetcaptions/. Drag the button to your bookmarks bar. Join a Meet. Turn on captions. Click it. You get a tiny panel with two buttons: Copy and Start Recording. The bookmarklet writes this kind of Markdown: # Meeting title - **Meeting code**: abc-defg-hij - **Started**: 5/15/2026, 8:00:00 AM - **Participants**: Alice, Bob, Carol --- ## Alice [0:12] Good morning everyone. ## Bob [0:18] Let's get started with the agenda. That’s it. No server. No extension. No login. No API. Just a bookmarklet page, a script, and local browser APIs. BUT: Google Meet captions are live and unstable. A sentence may appear as: mic, so, Then a second later become: mic, So that's a new person. Okay. Then become: mic, So that's a new person. Okay. Hey. oh,…