Export Your Lumo Chats Instantly

Proton doesn't have an export feature yet. We built one. Securely export your entire conversation history to JSON, Plain Text, or HTML with a single click.

Why Use Lumo Export?

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One-Click Export

No complex setups. Just click the icon, pick a format, and download your chat history immediately.

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100% Private

All processing happens locally in your browser. Your data never leaves your device or goes to any server.

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Flexible Formats

Need raw data? Choose JSON. Need a readable report? Choose Plain Text. Want a visual archive? Choose HTML.

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Clean Output

Automatically strips out UI elements, thinking paths, and buttons. You get only the pure conversation text.

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Modern Design

Built with a sleek, dark-mode interface that matches the Proton ecosystem aesthetic perfectly.

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Developer Friendly

The JSON output is structured and ready to be imported into your own projects, databases, or analysis tools.

Get Started Today

Join thousands of users who are taking control of their chat history. Installation takes less than 30 seconds.

Add to Firefox

Requires Firefox 140+. Free and Open Source.