Organize Your AI Chats
in Mozilla Firefox
MindMarks is a free Firefox add-on that brings a table of contents, bookmarks, and a knowledge base to ChatGPT, Claude, and Gemini — all inside your Firefox browser.
Add to Firefox — It's FreeNo account needed · Works instantly
What You Get in Firefox
Auto-generated Table of Contents
Navigate long AI conversations with a sidebar TOC, built automatically in Firefox.
Bookmark & Tag Chats
Organize your most important AI conversations with tags and instant search.
Multi-model Support
ChatGPT, Claude, and Gemini all work seamlessly inside Firefox.
Prompt Optimization
Enhance your prompts with one click to get better answers from any AI.
Export Conversations
Export AI chats to Markdown, PDF, or plain text directly from Firefox.
Personal Knowledge Base
Create a local, searchable library from your best AI conversations.
Frequently Asked Questions
Is MindMarks free for Firefox?
Yes — MindMarks is completely free on Firefox with no hidden costs.
Is it available on Firefox Add-ons (AMO)?
Yes, MindMarks is published on the official Mozilla Add-ons store.
Does it work with Firefox on Mac and Windows?
MindMarks works on all platforms where Firefox is supported, including macOS, Windows, and Linux.
Is my conversation data private?
Completely. All data is stored locally in your Firefox browser. We never access your AI conversations.