Show HN: Open-source extension to transfer AI chats without losing context

MoveChat, a free, 100% open-source Chrome extension, enables users to transfer AI chats between ChatGPT, Claude, Gemini, and Perplexity in one click while preserving text, code blocks, images, and attached files. The extension stores all data locally in the browser with zero tracking, supports export to Markdown, PDF, or JSON, and offers optional AI compression using the user's own API key. It is available on the Chrome Web Store and on GitHub.

Ever got stuck in a long Claude thread and wished you could instantly jump to ChatGPT, Gemini, or Perplexity without losing text, code blocks, images, or attached files? MoveChat is a free, 100% open-source, privacy-first Chrome extension that lets you capture, transfer, and export your AI chats in 1-click. If MoveChat helps you switch between AI platforms effortlessly, please consider giving this repository a ⭐ star It helps other developers and AI users discover this open-source tool. | Feature | Description | |---|---| ⚡ 1-Click Seamless Transfer | Capture chat threads on one AI platform and resume them instantly on another without losing context. | 🔒 100% Local & Safe | All data stays strictly in your browser chrome.storage.local . Zero tracking, zero telemetry, zero external servers. | 🖼️ Full Media & File Support | Automatically extracts code blocks, inline images, generated artifacts, and attached documents during handoff. | 📄 Multi-Format Export | Export any AI conversation to Markdown , .md PDF, or raw JSON for offline notes & documentation. | 🧠 Optional AI Compression | Summarize long, verbose chat histories using your own API key OpenAI / Anthropic / Gemini before transferring. | 🛡️ Manifest V3 Compliant | Built adhering strictly to Chrome Web Store MV3 security, privacy, and performance guidelines. | MoveChat offers full bidirectional capture and handoff across all major AI chat platforms: | Platform | Capture Session | Resume Chat | Images & Media | File Attachments | |---|---|---|---|---| ChatGPT chatgpt.com | ✅ | ✅ | ✅ | ✅ | Claude claude.ai | ✅ | ✅ | ✅ | ✅ | Gemini gemini.google.com | ✅ | ✅ | ✅ | ✅ | Perplexity perplexity.ai | ✅ | ✅ | ✅ | ✅ | php graph LR A Active AI Chat<br/ Claude / ChatGPT / Gemini / Perplexity -- |1-Click Capture| B MoveChat Extension B -- |Stored Locally| C Browser Local Storage<br/ chrome.storage.local C -- |1-Click Resume| D Target AI Platform<br/ ChatGPT / Claude / Gemini / Perplexity C -- |Export| E Markdown .md / PDF / JSON Capture : Click "Capture this session" in the MoveChat popup while viewing an active conversation. MoveChat safely reads the thread, extracting text, code blocks, images, and attachments. Store : Conversations are saved locally on your device in structured JSON format. You can search, review, or organize your session library anytime. Resume : Select any target AI platform and click "Resume in new chat" . MoveChat automatically opens the target platform, populates the prompt, attaches your files/images, and lets you continue where you left off. Get MoveChat directly from the official Chrome Web Store: 👉 Install MoveChat from Chrome Web Store https://chromewebstore.google.com/detail/cgpfngggfccdpjppachknliainihkbdg?utm source=item-share-cb - Clone the repository: git clone https://github.com/VC067/MoveChat.git cd MoveChat - Install dependencies: npm install - Build the production extension: npm run build - Load into Google Chrome: - Open chrome://extensions in your browser. - Enable Developer mode toggle switch in top right corner . - Click Load unpacked and select the generated dist/ directory. - Open Start Vite development server npm run dev Type-check and build production bundle outputs to /dist npm run build Lint source files npm run lint MoveChat/ ├── src/ │ ├── popup/ Extension Popup UI React + Tailwind CSS │ │ ├── components/ Header, LibraryView, SessionDetailView, SettingsView, etc. │ │ └── hooks/ Custom Chrome Storage Hooks │ ├── content/ Content Scripts Runs on AI web apps │ │ ├── scrapers/ ChatGPT, Claude, Gemini & Perplexity scrapers │ │ ├── injectors/ Prompt & file injectors for each target platform │ │ ├── dom.ts DOM parsing & HTML-to-Markdown converter │ │ ├── index.ts Content script entry point & message listener │ │ └── storage.ts Content script storage helper │ ├── background/ Service Worker Tab navigation & CORS image proxy │ │ └── index.ts │ └── shared/ Core Utilities & Types │ ├── types.ts Data interfaces Session, Message, AttachedFile │ ├── storage.ts Chrome storage wrapper │ ├── markdown.ts Markdown exporter │ ├── pdf.ts PDF exporter jsPDF │ └── compress.ts Optional AI summary/compression engine └── public/ └── manifest.json Chrome Manifest V3 configuration MoveChat is engineered with a strict privacy-first principle : - 🔒 Zero Remote Analytics or Tracking : We do not collect, track, or transmit any user data. - 💾 100% On-Device Storage : All captured sessions, images, settings, and optional API keys remain inside chrome.storage.local . - 🔐 Scoped Host Permissions : Host permissions are strictly restricted to supported AI web domains chatgpt.com , claude.ai , gemini.google.com , perplexity.ai and necessary image CDNs .googleusercontent.com , .oaiusercontent.com . | Permission | Purpose | |---|---| activeTab | Read conversation elements on the active tab when requested by the user | storage | Store chat sessions, settings, and exports locally on your machine | tabs | Open a new tab when resuming conversations on another platform | scripting | Inject content scripts for chat scraping and prompt injection | For complete details, view our Privacy Policy https://vc067.github.io/MoveChat/privacy . Distributed under the MIT License . See LICENSE /VC067/MoveChat/blob/main/LICENSE for details.