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New: GPT Rescue (free, no Pro plan needed) turns the Custom GPTs and Gemini Gems you built into portable files you own (README, SKILL.md, a Claude Project version, OpenAPI actions), in one ZIP made on your device. ChatCairn is a browser extension for Chrome and Microsoft Edge that saves your ChatGPT, Claude, Gemini and Grok conversations into one private library in your browser. Search every saved chat at once, jump back to the exact message, and export any conversation to a clean PDF or to Markdown ready for Obsidian and Notion. Highlight any answer to keep it as a note or a task with a project and due date. No account and no ChatCairn server: your chats stay on your device. Free: up to 50 saved chats and 10 notes & tasks. Pro, on sale now: $4.99/month or $39 once (lifetime).