How to Save a Gemini Canvas as Markdown

I was working on a project the other night, using Google's Gemini to help brainstorm a technical plan. If you've used it recently, you've probably seen the "Canvas" feature. It pops up on the right side of your screen, rendering code and text beautifully. It looks great. But then I actually finished the document, and I needed to get that text out of the browser and into my actual codebase. I…