Convert MERMAID to PNG — Free
Files convert instantly in your browser — 100% private, any file size, no account needed.
Drop your MERMAID file here
or click to browse — any size
Conversion runs entirely in your browser — your file never leaves your device.
How to convert MERMAID to PNG
Convert your Mermaid diagrams to PNG images quickly with BoltConverter. This free online tool runs entirely in your browser using WebAssembly technology. It offers a fast and secure way to transform your diagrams.
Your Mermaid files never leave your device, ensuring complete privacy and security for your data. Get high-quality PNG outputs directly, with no server uploads required. Start converting your diagrams now.
Upload Your Mermaid File
Click the 'Choose File' button and select the Mermaid diagram file from your device.
Review Diagram (Optional)
The tool will display a preview of your Mermaid diagram for you to check.
Adjust Settings (Optional)
Select preferred output options, such as background color or image padding.
Download PNG
Click 'Convert' then 'Download' to save your new PNG image to your device.
Frequently asked questions
Is BoltConverter's Mermaid to PNG tool free?
Yes, BoltConverter is completely free to use for all Mermaid to PNG conversions, with no hidden costs.
Do my files get uploaded to a server for conversion?
No, your files never leave your device. All conversions happen locally in your browser using WebAssembly technology.
Is there a file size limit for Mermaid diagrams?
Since conversions run in your browser, there is no server-imposed file size limit. Your device's available memory is the only factor.
What is the quality of the output PNG image?
The tool generates high-quality PNG images directly from your Mermaid diagram data, preserving clarity and detail.
Can I convert multiple Mermaid files at once?
Currently, BoltConverter processes one Mermaid file at a time. You can convert files sequentially as needed.