Document conversion inside Claude Code

Run MarkPrep's local MCP server and Claude Code converts documents itself, on your machine — nothing leaves your device.

Drop files, paste, or click to browse

PDF, Word, Excel, PowerPoint, HTML, CSV, JSON, EPUB, images and more. Nothing is uploaded.

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The conversion step shouldn't be a detour. With MarkPrep's local MCP server (Pro), Claude Code converts PDFs, Word docs and spreadsheets to Markdown directly on your machine — no upload, no copy-paste. Use the browser converter here for one-offs, and the MCP server for the workflow. Either way, your files stay local.

Local MCP server + CLI (npx markprep) — Pro
Claude Code converts files itself, on your machine
Same local engine as the web app
Larger default chunks tuned for coding context

Frequently asked questions

How does the MCP server work?+

It's a licence-gated npm package that runs on your machine and exposes conversion to Claude Code. Once it's in your config it stays for years.

Is it free?+

The browser converter and the full AI-Ready Pack are free. The local MCP server is a Pro feature — a one-time £19, no subscription.

Does anything leave my machine?+

No. The MCP server runs locally, like the web app.