Gretchen Mendoza

hk3k - From Chrome Extension to Full AI Workspace

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Hey Product Hunt đź‘‹

A couple of months ago, we launched hk3k as a simple Chrome extension to help people capture and use information while browsing. Since then, we realized something important: AI isn’t useful if it’s just inside your browser. It needs to connect everything you think and work on..

So we rebuilt hk3k into a full web app.

Now it’s an AI workspace / second brain where your notes, chats, files, and websites all live in one system called Spaces. You can:

  • Turn natural language into notes, tasks, and structured work

  • Search across everything you’ve saved

  • Import ChatGPT / Claude conversations

  • Organize your thinking automatically instead of manually sorting tools

Think: ChatGPT × Notion — but actually connected and actionable.

We’re still early, and would love feedback from the Product Hunt community 🙏

👉 https://app.hk3k.ai/

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