ChatStone

Bookmark your questions in ChatGPT, Claude and Gemini, sort them into categories and jump back with one click.

ChatStone lets you bookmark the questions you ask in ChatGPT, Claude and Gemini, so you can find the important parts of long conversations in seconds. ★ ONE-CLICK BOOKMARKS Hover over one of your messages and click the star. The question is highlighted and saved, together with the beginning of the answer. ★ ALL YOUR CHATS IN ONE PANEL The ChatStone panel lists your bookmarks from every chat and every supported site. The site you are on is shown first, and each site's chats are grouped together. ★ CATEGORIES AND SEARCH Create your own categories like Work, Learning or Ideas, add bookmarks to them and filter with one click. Search through questions, answers and chat titles instantly. ★ JUMP AROUND Click a bookmark to scroll straight to that question, even in another chat or on another site. In long conversations, use the arrows or Alt+↑ / Alt+↓ to move between bookmarks. ★ LIGHT AND DARK THEMES Switch the panel between light and dark with one click. ★ PRIVATE BY DESIGN Everything stays in your browser. ChatStone has no server, no account and no analytics. It only runs on chatgpt.com, claude.ai and gemini.google.com. ★ FAST ChatStone is built to stay out of your way. It does not slow down typing, scrolling or streaming answers, even in very long chats. Works with: ChatGPT, Claude, Gemini. ChatStone is an independent project and is not affiliated with OpenAI, Anthropic or Google.