ChatStash
Back up your ChatGPT, Claude, and Gemini chats locally
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Martijn Smit

ChatStash - Back up your ChatGPT, Claude, and Gemini chats locally

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AI Spend
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A privacy-first browser extension that makes your AI interactions safe, searchable, and completely under your control. No cloud. No accounts. No tracking. Just your conversations, safely backed up, exportable and searchable in your browser.

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Martijn Smit
Maker
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Hi everyone, I’m Martijn 👋 I built ChatStash after getting frustrated that AI platforms don’t let us truly own our conversations. Every answer you get from ChatGPT or Claude lives on their servers. ChatStash runs quietly in your browser, automatically saving everything you write and receive. It’s 100% local, private, and simple. We use it internally to keep technical Q&A, code snippets, and writing drafts safe, and I wanted to share it with anyone who’s been in the same boat. If you try it out, I’d love your feedback! Thanks for checking it out ❤️