Privacy Policy

1. Local Processing by Default

Diffsurge MD is designed with privacy at its core. By default, all file conversions happen entirely within your browser using a WebAssembly Python runtime (Pyodide). Your files are never uploaded to any external servers, including ours, for this local conversion process.

2. Data Collection

We do not collect, store, or transmit any personal information, telemetry, analytics, or file contents. We do not track your usage of the extension. What happens on your machine, stays on your machine.

3. Optional Cloud Engine

If you choose to configure a self-hosted cloud engine in the extension settings (for audio transcription or large files), your files will be transmitted to the server URL you specify. You are fully responsible for the privacy and security of any self-hosted server you choose to use.

4. Third-Party LLM Platforms

Diffsurge MD intercepts files before they are uploaded to platforms like ChatGPT, Claude, Gemini, and DeepSeek. Once the file is converted to Markdown locally, the resulting text is inserted into your chat box or uploaded to the respective platform. The processing of that Markdown text is subject to the privacy policies of the AI platforms you are using.

5. Open Source

The source code for Diffsurge MD is available for review. If you have any questions about how your data is handled, you are encouraged to inspect the code yourself.