Question directory
Build a navigable outline from the questions in the current conversation.
AI Conversation Navigator
Navigate, recall, and organize your AI conversations.
Threadmark is a local-first Chrome extension for navigating, searching, bookmarking, and reviewing long ChatGPT and Gemini conversations.
Why Threadmark
Keep your place in long AI threads.
Search and recall
Search questions, answer previews, bookmarks, and your local notes.
Local-first data
Your directories, notes, bookmarks, and cached answers remain in your browser profile.
Privacy by design
Your conversations are not uploaded by Threadmark.
The extension does not use advertising, analytics, tracking SDKs, or remote code. You can inspect, export, and delete locally stored data from the extension settings.