Organize Your AI Chats
in Google Chrome
MindMarks is a free Chrome extension that adds a table of contents, bookmarks, and a knowledge base to ChatGPT, Claude, and Gemini — without changing how you chat.
Add to Chrome — It's FreeNo account needed · Works instantly
What You Get in Chrome
Auto-generated Table of Contents
Navigate any long ChatGPT or Claude conversation instantly with a sidebar TOC.
Bookmark & Tag Chats
Save important conversations, add tags, and find them in seconds.
Multi-model Support
Works across ChatGPT, Claude, and Gemini — one extension for all your AI tools.
Prompt Optimization
One-click prompt enhancement to get better responses from any AI model.
Export Conversations
Export chats as Markdown, PDF, or plain text for easy sharing and archiving.
Knowledge Base
Turn your best AI conversations into a personal searchable knowledge library.
Frequently Asked Questions
Is MindMarks free for Chrome?
Yes — MindMarks is completely free to install and use on Google Chrome.
Does it work with ChatGPT and Claude?
MindMarks works with ChatGPT, Claude, and Gemini in Chrome.
Does MindMarks collect my conversation data?
No. All data is stored locally in your browser. We never read or store your AI conversations.
Will it slow down my browser?
MindMarks is lightweight and only activates on AI chat pages. It has no measurable impact on browser speed.