Mermaid to PDF
Mermaid to PDF is a free online diagram converter for changing MMD and MERMAID files into PDF files. Mermaid to PDF accepts 3 MIME types, returns application/pdf, includes 3 settings, and runs in your browser on the device.
Drop .mmd / .mermaid file here
or click to choose
Options
Key facts
- Input
- 2 formats: MMD and MERMAID (text/plain, text/x-mermaid, )
- Output
- PDF (application/pdf)
- Runtime
- your browser on the device
- Settings
- 3 controls: Theme, Page size, and Orientation
- File mode
- 1 input file creates 1 output file
- Cost
- $0, no account required
How to use Mermaid to PDF
- 1
Open your MMD, MERMAID file
Drop your MMD, MERMAID file onto the page, or click to browse and pick one from your device.
- 2
Choose options
Adjust the conversion options to suit your needs. Defaults work well for most inputs.
- 3
Convert and download
Click Convert. Your PDF file is ready to download in seconds.
Mermaid to PDF details
First, Mermaid to PDF reads MMD and MERMAID source files and prepares PDF output for the diagram workflow. Next, The visible controls are Theme, Page size, and Orientation. Additionally, Files and text stay in the browser session.
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.
Common searches
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Related tools
Tools that work with the same formats — most users open one of these next.
Mermaid to SVG
Render a Mermaid diagram as a scalable SVG — paste the code or upload an .mmd file.
Mermaid to PNG
Render a Mermaid diagram as a high-resolution PNG — paste the code or upload an .mmd file.
Mermaid to JPG
Render a Mermaid diagram as a JPG image — paste the code or upload an .mmd file.
MIME Type Lookup
Look up the MIME type for a file extension, or the canonical extensions for a MIME type — covering 100+ common types.
File to Hex Dump
Convert any file's bytes to a hex dump (with ASCII sidecar), plain hex, C array or comma-separated bytes.
Hex to Binary File
Parse a hex dump or hex string back into a binary file — strips offsets, ASCII columns, prefixes and separators automatically.
Frequently asked
What is Mermaid to PDF?
Mermaid to PDF is a free online diagram converter for changing MMD and MERMAID files into PDF files. Mermaid to PDF accepts 3 MIME types, returns application/pdf, includes 3 settings, and runs in your browser on the device.
What files does Mermaid to PDF accept and create?
Mermaid to PDF accepts MMD, MERMAID files (text/plain, text/x-mermaid, ) and creates PDF files (application/pdf). The page includes 3 settings: Theme, Page size, and Orientation.
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 do I use Mermaid to PDF?
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 is 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.