Your AI memory, in your hands
Every AI remembers things about you.
None of them show you what.
MemKeeper reads what ChatGPT, Claude and Gemini remember and shows you what each one knows that the others don't — entirely in your browser.
Try it now — no install
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Ask each AI: “List everything you remember about me as bullet points.” Paste the answers below. The diff updates as you type.
Only ChatGPT
2
Shared
2
Only Claude
2
Only CHATGPT knows
Is planning a move to Lisbon next spring
Uses metric units and 24-hour time
Only CLAUDE knows
Moved to Lisbon in March
Writes in British English
Now do it with the full exports →ZIPs, conversation history, search, side-by-side.
How to get your exports
Every platform offers a data export under data protection law. MemKeeper reads them as-is — no scraping, no permissions, no plugin.
CHATGPT
ChatGPT
Settings → Data controls → Export data. Email arrives in a few minutes.
Request export ↗Why this works the way it does
- Nothing uploaded. Verify it yourself: DevTools → Network while you type above.
- No account. The vault lives in IndexedDB on this device.
- Deterministic diff. Normalized text + difflib ratio. No embeddings, no LLM call.
- Engine is open source. TypeScript port of AgentKeeper (MIT).