Your AI chats, always within reach.
Save, organize and search your conversations across Claude, ChatGPT, Gemini and Grok.
Install · Features · Platforms · Privacy · Development · License
(https://chromewebstore.google.com/detail/rethread/mcpigebgpacoicdomgikopcmcibonkoj)
- Download or clone this repository
- Open
chrome://extensions/in Chrome, Edge, or Brave - Enable Developer mode (toggle in the top-right corner)
- Click Load unpacked and select the project folder
- Pin ReThread to your toolbar — done!
One-click save — Bookmark any AI conversation with a single click. A Save button appears on every supported platform.
Side Panel UI — All your saved chats live in a clean side panel that stays open while you browse. No popups, no new tabs.
Pin & prioritize — Pin your most important chats to the top for instant access.
Add notes — Attach context, reminders, or key takeaways directly to any saved chat.
Folders — Group chats into custom folders to keep things organized.
Platform filter — Quickly filter your saved chats by Claude, ChatGPT, Gemini, or Grok.
Search — Find any saved chat by title instantly.
Keyboard shortcuts — Ctrl+Shift+S to quick-save, Ctrl+Shift+L to toggle the panel.
| Platform | Domain | Status |
|---|---|---|
| Claude | claude.ai | ✅ Full support |
| ChatGPT | chatgpt.com | ✅ Full support |
| Gemini | gemini.google.com | ✅ Full support |
| Grok | grok.com | ✅ Full support |
Each platform has a native-feeling Save button styled to match its design language.
ReThread is a Chrome extension built on Manifest V3 with three components:
Content Script — Injects a Save button on supported AI chat pages. Detects the current chat via URL pattern and captures the title from document.title. Runs in an isolated world with no access to page JavaScript or auth tokens.
Side Panel — The main UI where you manage saved chats. Supports pinning, notes, folders, search, and platform filtering. Opens alongside the page without disrupting your workflow.
Service Worker — A lightweight message broker between the content script and side panel. Wakes only when needed.
All data is stored locally in chrome.storage.local. Nothing leaves your browser.
ReThread is built with a privacy-first architecture:
- No server, no accounts, no tracking — all data stays in your browser's local storage
- No chat content access — only saves URLs and page titles, never reads your conversations
- Minimal permissions — only
storage,sidePanel, and access to the four supported AI domains - No cookies or auth tokens — content scripts run in isolated world, cannot access page JavaScript
- Open source — inspect every line of code yourself
| Permission | Why |
|---|---|
storage |
Save your bookmarks locally |
sidePanel |
Display the management panel |
host_permissions |
Inject Save button on supported AI sites |
Never requested: cookies, webRequest, tabs, <all_urls>, clipboardRead, history.
- Manifest V3 — Modern Chrome extension architecture
- Vanilla JavaScript — Zero npm dependencies in production
- Shadow DOM — CSS isolation for injected UI elements
- chrome.storage.local — Local-only data persistence
- Side Panel API — Persistent UI alongside the page
Total extension size: ~80 KB.
rethread/ ├── manifest.json # Extension manifest (MV3) ├── background/ │ └── service-worker.js # Message broker ├── content/ │ ├── content-script.js # Save button injection │ └── content-styles.css # Shadow DOM styles ├── sidepanel/ │ ├── sidepanel.html # Panel markup │ ├── sidepanel.js # Panel logic │ └── sidepanel.css # Panel styles ├── shared/ │ ├── platforms.js # Platform configs │ ├── storage.js # Storage abstraction │ ├── constants.js # Constants │ └── utils.js # Utilities └── icons/ # Extension & platform icons
- Add a config entry to
shared/platforms.jswith hostname, URL pattern, title extractor, and button styles - Add the domain to
manifest.jsonin bothhost_permissionsandcontent_scripts.matches - Add platform-specific button CSS in
content/content-styles.cssusing:host(.platform-name)selector - Add the platform icon SVG to
icons/
That's it — the universal content script handles the rest.
- Open
chrome://extensions/ - Enable Developer mode
- Click "Load unpacked" and select the project folder
- Make changes, then click the reload button on the extension card
- Export/import bookmarks as JSON
- Dark theme synced with platform
- Auto-save on chat visit
- Cross-device sync via chrome.storage.sync
- Tag system for granular organization
- Usage analytics dashboard (local only)
Contributions are welcome! Feel free to open issues for bugs or feature requests, or submit a pull request.
- Fork the repository
- Create your feature branch:
git checkout -b feature/my-feature - Commit your changes:
git commit -m 'Add my feature' - Push to the branch:
git push origin feature/my-feature - Open a Pull Request
MIT — free for personal and commercial use.
Built by Monceau
