Mermaid Previewer Sidebar

Name: Mermaid Previewer Sidebar
Author: redreamzishao

Instantly preview Mermaid diagrams in a Chrome sidebar. Ideal for ChatGPT, markdown notes, and flowchart editing.

As of May 2026, Mermaid Previewer Sidebar has 138 users in the Productivity category.

redreamzishao Productivity

Chrome Web Store ↗.crx

Users+3.0%

138

Rating0%

—

— reviews

Reviews0%

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Version

0.0.1

Manifest V3

History

4 snapshots

Tracking since Apr 1, 2026.

View as table

Date	Users	Rating	Reviews	Version
Apr 1, 2026	134	—	—	0.0.1
Apr 21, 2026	138	—	—	0.0.1
May 17, 2026	137	—	—	0.0.1
May 31, 2026	142	—	—	0.0.1
Now	138	—	—	0.0.1

Permissions & access

Permissions: sidePanelwindowsactiveTabstorage
Host access: <all_urls>

Screenshots

About

This Chrome extension enables real-time preview of Mermaid.js diagrams in a persistent sidebar, making diagram creation seamless and efficient. Perfect for AI chat workflows (ChatGPT, Gemini, Claude), Markdown editing, technical documentation, and flowchart design.

🟢 Key Features:

Real-time rendering of Mermaid diagrams as you type

Multiple themes including hand-drawn/sketch styles for visual variety

Easy download of diagrams as PNG or SVG files

Persistent sidebar that works alongside your browser tabs

One-click copy & paste support when chatting with AI assistants

Fully compatible with Markdown and popular note-taking apps

🚀 Enhance your productivity by instantly visualizing flowcharts, sequence diagrams, and graphs without switching contexts. Ideal for developers, writers, and anyone who uses Mermaid for quick diagramming.