Why choose MERMAID over other formats?

Mermaid Source offers same Mermaid syntax as .mmd with explicit extension. It's widely used for Mermaid diagrams using self-documenting extension, making it an excellent choice for most diagram needs.

Will my PLANTUML file be deleted after conversion?

No. Your original PLANTUML file is never modified or deleted. Xonvert creates a separate MERMAID copy — your source file remains untouched.

What diagram quality settings should I use?

Default settings are optimized for the best balance of quality and file size. Adjust only if you have specific requirements.

Does this work on my phone or tablet?

Yes. Xonvert works on any device with a modern browser — iPhone, iPad, Android phones and tablets all supported.

Can I undo a conversion?

Since your original PLANTUML file is never modified, there's nothing to undo. Your source file remains exactly as it was — only a new MERMAID copy is created.

What if my PLANTUML file won't convert?

Ensure the file isn't corrupted or DRM-protected. Try a different file to verify. If issues persist, the file may use an unsupported codec variant.

How many times can I convert PLANTUML to MERMAID per day?

There's no daily limit for free users. Convert as many files as you need, as often as you need. PRO users get additional batch processing features.

Convert PLANTUML to MERMAID

Fast, free, and secure PLANTUML to MERMAID conversion. No registration required.

plantuml

mermaid

Diagram

Fast, free, and secure PLANTUML to MERMAID conversion. No registration required.

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High Quality

Maintain maximum quality during conversion

Fast Processing

Convert files in seconds with our optimized engine

Secure & Private

Files automatically deleted after conversion

How to Convert PLANTUML to MERMAID

Upload PLANTUML File

Click the "Select File" button to upload your plantuml file from your device.

Start Conversion

Click the "Convert" button to instantly start converting to MERMAID.

Download MERMAID

Download your converted mermaid file immediately after processing.

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