Thoughtmark — AI Notes & Outlines

Never lose your train of thought in long AI conversations again. Thoughtmark lets you bookmark exact sentences, formulas, and code snippets inside Claude, ChatGPT, Google Gemini, and DeepSeek — jumping straight back to them with a single click. Key Capabilities - Precision Bookmarking: Select any passage or code block in Claude, ChatGPT, Gemini, or DeepSeek and anchor it to your conversation outline. - Smart Auto-Recovery: Other extensions lose your place when long chats scroll. Thoughtmark automatically re-anchors your bookmarks as you navigate. - Global Search Across All Chats: Instantly search across every marked thought, quote, and note from one centralized dashboard. - Publication-Ready Export: Export your bookmarks and outlines as structured Markdown or formatted study guide PDFs complete with a Table of Contents. - 100% Private & Local: Your notes and bookmarks stay on your computer. Thoughtmark stores data locally in your browser with zero personal data collection.