Chat Saver (Chrome Extension)

中文版本

Save AI chat conversations from popular websites (ChatGPT, Gemini, Claude, etc.) as local Markdown files.

Overview

Chat Saver is a Chrome extension that lets you save the current chat page into a local Markdown file with one click, making it easy to archive and revisit important conversations.

Features

• One-click save to Markdown
• Inline Save buttons that match each site’s UI
• Multi-site support (expanding)
• Preserves basic Markdown structure (headings, lists, bold, code blocks)
• Local download only (no uploads)

Supported Sites

• ChatGPT
• Google Gemini
• Claude
• Grok (still in building)
• DeepSeek (still in building)
• Doubao (still in building)

Installation (Load Unpacked)

1. Clone this repository
2. Open Chrome and go to chrome://extensions/
3. Enable Developer mode
4. Click Load unpacked
5. Select this project folder

Usage

1. Open a supported chat page
2. Find the Save button in the page header actions
3. Click to download the Markdown file

Export Format

The exported .md file includes:

• Conversation title (if available)
• # USER / # ASSISTANT as top-level headings
• Lists, bold text, code blocks, and other common Markdown structures
• Canvas entries include title/time metadata when only the chip is available

Privacy

All processing is local. The extension does not upload or sync your chats.

Known Limitations

• Only currently loaded messages are saved
• Some rich formatting may be lost depending on site markup
• Gemini Canvas content may be unavailable if the page only exposes a chip/card

Development

No build step yet. Use src/extension directly as the extension source.

Project Structure

src/extension/
  manifest.json
  content-script.js
  service-worker.js
  popup.html
  popup.js
  lib/
    extractors/

Roadmap

• Add more site support
• Improve rich content and attachments export
• Optional cloud sync (future)