Capture and merge your AI conversations across ChatGPT and Claude.
BlendConv is a Chrome extension that lets you capture conversations from ChatGPT and Claude, then merge them into a single structured Markdown prompt — so you can seamlessly continue your work across AI platforms.
No backend. No API calls. Everything stays in your browser.
- Capture — A floating button on ChatGPT and Claude captures the current conversation with one click
- Organize — View all captured conversations in a clean, dark popup with platform badges and metadata
- Merge — Select 2+ conversations and generate a structured Markdown prompt combining all context
- Export — Copy the merged result to clipboard, or open it directly in a new ChatGPT/Claude tab
- Clone this repository:
git clone https://github.com/snzeeee/BlendConv.git
- Open chrome://extensions/ in Chrome
- Enable Developer mode (toggle in the top right)
- Click Load unpacked and select the
BlendConvfolder - Done — the BlendConv icon appears in your toolbar
- Visit chatgpt.com or claude.ai
- Click the floating BlendConv button (bottom-right corner) to capture the conversation
- Click the extension icon in the toolbar to open the popup
- Check the conversations you want to merge
- Click Merge to generate the combined context
- Copy the prompt or open it in a new tab
100% local. Zero data collection.
- All data is stored locally in your browser via
chrome.storage.local - No external servers, no analytics, no tracking
- No API calls — the extension works entirely offline
- Your conversations never leave your device
- Chrome Extension Manifest V3
- Vanilla JavaScript (no frameworks, no build step)
chrome.storage.localfor persistence- DOM extraction with multiple fallback selectors + MutationObserver
- Image and file attachment support in captured conversations
- Google Gemini support
- AI-powered conversation summaries before merging
- Export to Markdown / PDF files
- Conversation search and tagging
- Firefox extension support