Save any AI chat in one click

ThreadKeep is a free Chrome extension that exports the ChatGPT, Claude or Gemini conversation you have open to Markdown, PDF, plain text, HTML or JSON.

ThreadKeep popup with export buttons and a Markdown export

What it does

Exports the whole thread, not just what is on screen (ChatGPT and Claude)
Markdown for Notion, Obsidian and GitHub · PDF with code blocks and tables · TXT, HTML, JSON
Copy the full chat as Markdown in one click
Runs locally: no account, no server, no tracking — privacy policy

How to use

Open a conversation on chatgpt.com, claude.ai or gemini.google.com.
Click the ThreadKeep icon.
Pick a format and the file is saved to your computer. For PDF, choose “Save as PDF” in the print window.