Mermaid Preview

by Personal · Developer Tools

Manifest V3 Free

View in Chrome Web Store Data as of 15 Oct 2026

Preview Markdown and Mermaid files, support LaTeX math equations rendering.

Users

271

+20 in 30 days

Rating

5.0 / 5

unchanged in 30 days

Ratings

0 in 30 days

Store rank

#56K

#47K among extensions

Version

1.5.0

updated 20 Sep 2026

Users

monthly, 12 months

Latest, 15 Oct 2026: 271 usersMove the mouse over the chart for any month

Ratings count

monthly, 12 months

Latest, 15 Oct 2026: 1 ratingsMove the mouse over the chart for any month

The Chrome Web Store rounds user counts down to the leading digit, so the user line moves in steps. The ratings count is exact and is the better signal of real adoption.

About Mermaid Preview

Mermaid Preview is a powerful extension that instantly renders Markdown and Mermaid diagram files in a beautiful, user-friendly interface. Simply drag and drop your .md or .mermaid files, or paste a URL to preview documentation with formatted text, tables, code blocks, and stunning flowcharts, sequence diagrams, Gantt charts, and more. Features include dark/light theme toggle for comfortable viewing, export functionality to save Mermaid diagrams as high-quality PNG, JPEG, or SVG images, and support for both local files and remote URLs. Perfect for developers, technical writers, and anyone working with technical documentation or creating visual diagrams. The extension uses the latest versions of Mermaid.js and Marked.js libraries to ensure full compatibility with modern syntax and features. Support print markdown or mermaid file.