ChatCairn: Save, Search & Export ChatGPT, Claude, Gemini & Grok Chats

Save ChatGPT, Claude, Gemini & Grok chats to one searchable library. Export to PDF/Markdown, turn highlights into tasks. 100% local.

Stop losing great AI answers in endless chat history. ChatCairn saves your ChatGPT, Claude, Gemini and Grok conversations into one private library in your browser. Search all of them at once, export any chat to PDF or Markdown, and turn the parts that matter into notes and tasks. SAVE ANY AI CHAT IN ONE CLICK • Save the open conversation from ChatGPT, Claude, Gemini or Grok — prompts and answers, with code blocks, tables and headings intact • One library for every assistant: no more hunting across four sidebars SEARCH ALL YOUR AI CHATS • Full-text search across every saved chat, on every platform EXPORT TO PDF AND MARKDOWN • Clean, designed PDF with page numbers (no browser header/footer) • Markdown with front-matter, ready for Obsidian, Notion or any notes app • Pro: export your whole library as a ZIP • Pro: remove the ChatCairn footer from exports TURN ANSWERS INTO NOTES & TASKS • Highlight right in the chat: select a passage on ChatGPT, Claude, Gemini or Grok and a small toolbar turns it into a note or task (with comment), without saving the whole conversation. Works in saved chats too • Projects and due dates, with Overdue / Today / Upcoming views; one click jumps back to the exact message • Export tasks in Obsidian Tasks format (- [ ] task 📅 2026-10-20 #project) BACK UP YOUR CUSTOM GPTS AND GEMS • GPT Rescue: save the Custom GPTs and Gems you created (instructions, conversation starters, actions and files) as Markdown, SKILL.md and Claude Project files. Free, no Pro plan needed, and everything stays on this device. PRIVATE BY DESIGN • No account, no ChatCairn servers, no analytics — everything stays in your browser • JSON backup and restore, plus a gentle backup reminder PRICING • Free: all 4 platforms, up to 50 saved chats and 10 notes/tasks, search, PDF & Markdown export, backups • Pro: unlimited chats and notes/tasks + ZIP export + no ChatCairn footer on exports. Pro coming soon (waitlist). Planned price: $4.99/month or $39 lifetime (as of Oct 2026). Everything in Free works now Works on chatgpt.com, claude.ai, gemini.google.com and grok.com. Not affiliated with OpenAI, Anthropic, Google or xAI.