According to AlphaMoat, as of 2026-09, the Chrome extension Gemini Mermaid Renderer has 691 users (+33.9% MoM), rated 5 (4 reviews) — ranked #1,936 of 9,324 AI browser extensions, and #107 of 601 in Programming.
Adds a "Mermaid" button to Gemini code blocks to render Mermaid diagrams. Updated to Ver 2.0.0! Now supports the new Gemini UI.
"Gemini Mermaid Renderer" is a Chrome extension that instantly converts text generated by Gemini into visual diagrams using the Mermaid syntax.
[Instantly Visualize AI Responses 📊] Skip the hassle of copying and pasting Mermaid code into other tools. View it directly as a diagram right on the chat screen. It transforms complex text information into easy-to-understand charts, including flowcharts, sequence diagrams, system architecture diagrams, and Gantt charts.
[Convenient Features]
[How to Use] 1. Install this extension in Chrome. 2. Tell Gemini to "Create a diagram of XX using Mermaid." 3. Click the pink "Mermaid" button at the top right of the generated code block to render the diagram!
[Settings Tip] Follow the on-screen guide during initial setup to configure custom instructions. This prompts Gemini to automatically output in Mermaid syntax, significantly boosting convenience.
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+ CompareData month: 2026-09 · User counts and ratings come from public Chrome Web Store data, aggregated monthly. See methodology.