Mermaid to PDF
Drop in a Mermaid diagram or paste the code, and download a one-page PDF with the diagram centered on the page. Useful for attaching to reports, printing, or sharing with people who can't open SVG. Rendering runs locally in your browser — your diagram source never leaves your device.
Drop .mmd / .mermaid file here
or click to choose
Options
Privacy
Runs entirely in your browser — nothing is sent to any server.
Cost
Free. No sign-up, no watermark.
Supports
.mmd, .mermaid → .pdf
Related tools
Tools that work with the same formats — most users open one of these next.
Merge PDF
Combine multiple PDF files into a single PDF — in the order you select them, all in your browser.
Rotate PDF Pages
Rotate selected pages of a PDF by 90, 180 or 270 degrees — in your browser.
Delete PDF Pages
Remove specific pages or ranges from a PDF — in your browser, with no upload.
Extract PDF Pages
Pull selected pages out of a PDF into a new, smaller PDF — entirely in your browser.
Reorder PDF Pages
Rearrange the pages of a PDF into any order — all in your browser, no upload.
Add Watermark to PDF
Stamp a text watermark across every page of a PDF — in your browser, no upload.
Frequently asked
Is Mermaid to PDF free to use?
Yes. Mermaid to PDF is completely free with no sign-up, no watermark, and no usage limits. Toolsly does not charge for any of its tools.
Do my files and data stay private?
Yes — Mermaid to PDF runs entirely in your browser using your device's CPU. Files and text are never uploaded to our servers, so your data stays private.
How does Mermaid to PDF work?
Open Mermaid to PDF, drop in your MMD, MERMAID file, choose any options, and click Convert. Your browser does the work locally and produces a PDF file you can save right away.
What's the maximum file size for Mermaid to PDF?
Because Mermaid to PDF runs in your browser, the maximum size depends on your device's available memory. Most modern phones and laptops handle files up to a few hundred MB without issues.