ContextHub

Free, local-first cross-AI chat workspace. Capture, search, and hand off context between ChatGPT, Claude, Gemini and Grok.

ContextHUB helps you organize, search, and continue your AI conversations across different chat tools — all on your device. Save any open chat with one click. Search inside message bodies (not just titles). File chats into folders and pin your active threads. Build a context pack to pick up a conversation in another AI without re-explaining — you review and send it yourself. Key features - One-click capture of the open conversation (ChatGPT, Claude, Gemini, Grok) - Full-text search inside saved messages - Folders, tags, and pins - Handoff packs: copy or paste context into another AI chat - Markdown + JSON export per chat - Everything stays local — no cloud sync, no accounts, no chat content leaves your device Not affiliated with, endorsed by, or sponsored by OpenAI, Anthropic, Google, or xAI. All trademarks belong to their owners. Free tier included. Any future paid upgrade is handled externally via license key — no in-store payments. Support: your-email@example.com