Lumo Chat Export 7.7 发布：为 Proton Lumo 聊天记录增加导出与思考过程导出

New in version 7.7: Export thinking useful for debug and to help improve prompts.

Added Proton Drive Direct export , refere to the folder drive_export (vanilla only)

The Drive export requires a lot of work and time to send it to Firefox AMO, feel free to submit yourself or use as is , it just works.

HASH VERIFICATION V.7.7

New: Export memory

Hash: bb69610012572afe1362eabc102df790f12f70682d2927ad78ea7e21487e1b52

Note: Hash verification is performed exclusively on the JavaScript file, as it represents the sole attack vector in this implementation.

sha256sum popup.js

🎯 About

Lumo Chat Export is a Firefox extension that fills a critical gap in Proton's Lumo interface the ability to export conversation history. Since Proton doesn't offer a native export feature yet, this extension provides a secure, privacy-focused solution that lets you save your entire chat history in multiple formats.

Then you can Import the chats into Projects.

Or Download in html format for embeded into webpages.

All processing happens locally in your browser. Your data never leaves your device.

📸 Screenshots

Extension Frontpage	Security Tab

Help & Guide	About

✨ Features

Feature	Description
⚡ One-Click Export	Instantly save your chat history with a single click. No complex setups.
🔍 Selective Export	Choose exactly what to export: All, Only You, Only Lumo, or Manual Selection.
🔒 AES-256 Encryption	Protect your archives with password-based encryption (PBKDF2 + AES-GCM).
📄 Multiple Formats	Export as JSON (structured), Plain Text (readable), HTML (visual), or Markdown (preserving code blocks & formatting).
🧹 Clean Output	Automatically strips UI elements, thinking paths, buttons, and metadata.
🎨 Modern Design	Sleek dark-mode interface with custom-styled dropdowns matching the Proton/Lumo ecosystem aesthetic.
🛠️ Developer Friendly	Structured JSON output ready for imports, databases, or custom analysis.
🔐 Zero Data Collection	All processing happens locally in your browser. No data is sent to any server.
🖥️ Resizable Window	Toggle between a compact popup and a full-size window for deep analysis.
💬 Smart Tooltips	Hover to read full messages in a scrollable tooltip; click checkboxes to select without closing.
📊 Live Stats	Real-time word count and estimated file size (KB) for selected messages.
📢 About & Support	Built-in modal with release notes, credits, contact info, and a donation link.
🔎 Live Search	Instantly filter messages by keyword with highlighted matches.
📦 Code Block Extractor	Scan the entire chat, preview all code snippets, and export them as a single Markdown file or individual text files.
🔀 Find & Replace	Anonymize or modify content before export (e.g., swap "client A" with "Project X") with optional case sensitivity.
🛡️ Security & Integrity	Built-in health checks, extension conflict detector, injection tester, and permissions overview for complete transparency.
💡 Smart & Custom Replies	Access a curated library of predefined technical prompts or create your own saved responses. Includes an Auto-Send toggle for rapid workflows. (Note: Custom replies are stored locally in `localStorage` )

📥 Installation

Option 1 — From AMO (Recommended)

Open Firefox 140 or later
Visit the AMO Store Page
Click Add to Firefox
Confirm the installation

Option 2 — Manual (Development)

Clone this repository:

 git clone https://github.com/carlostkd/lumo-export.git
 cd lumo-export

Open Firefox and navigate to about:debugging
Click This Firefox → Load Temporary Add-on
Select manifest.json from the extension folder
The extension icon will appear in your toolbar

Note: For permanent local installation, set xpinstall.signatures.required to false in about:config. See the Privacy FAQ below.

📖 Usage

Open any Lumo chat page in Firefox
Click the Lumo Export icon in your toolbar
Select your preferred format
Click Export Chat
Done your file downloads automatically
Import Now you can import your chats into Projects

📁 Export Formats

JSON — Structured Data

Best for developers, automation, database imports, and API integrations.

Output structure:

{
  "exportedAt": "2026-05-10T14:31:01.634Z",
  "totalMessages": 104,
  "messages": [
    {
      "role": "user",
      "content": "Hello Lumo!"
    },
    {
      "role": "assistant",
      "content": "How can I help you today?"
    }
  ]
}

Plain Text — Readable Logs

Best for reading, printing, archiving, and quick reference.

Output structure:

[USER]:
Hello Lumo!

---

[ASSISTANT]:
How can I help you today?

---

HTML — Visual Archive

Best for visual archives, sharing with non-technical users, and long-term storage. Opens in any browser with styled conversation bubbles and clean formatting.

🔒 Privacy

We take privacy seriously. This extension:

✅ Does NOT collect any user data
✅ Does NOT transmit data to any external server
✅ Does NOT use analytics or tracking
✅ Does NOT store data remotely
✅ Processes everything locally in your browser

The only permissions required:

Permission	Purpose
`activeTab`	Read the current Lumo chat page to extract message text
`downloads`	Trigger the browser's native file download dialog

No background scripts. No data collection. No third-party APIs.

❓ Privacy FAQ

Is it safe to set xpinstall.signatures.required to false?

For personal development use, yes as long as you only install extensions you trust. This setting bypasses Mozilla's signature verification, so avoid installing random .xpi files from untrusted sources. For maximum safety, use a separate Firefox profile for development.

🤝 Contributing

Fork the repository
Create a feature branch: git checkout -b feature/amazing-feature
Commit your changes: git commit -m 'Add amazing feature'
Push to the branch: git push origin feature/amazing-feature
Open a Pull Request

📄 License

This project is licensed under the MIT License.

📢 Disclaimer

Lumo Chat Export is not affiliated with Proton AG. This is a community-built tool created to enhance the user experience. All trademarks belong to their respective owners.