Single HTML File App Lets Users Run AI Chats Locally Without Sign-Up

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A developer has released X-Chat, a local-first AI chat application contained entirely within a single HTML file, requiring no build process or account registration. The app supports multiple AI model options, including on-device models like Chrome's built-in Gemini Nano, locally run Ollama models, and cloud providers such as OpenRouter, Groq, Cerebras, and Mistral. All conversations are stored in the browser via IndexedDB, and API keys remain on the user's device, with an option to export or import chats as a backup. Users can run the same prompt across two models simultaneously for side-by-side comparison, and each conversation retains its own model setting. The app also installs as a Progressive Web App and includes a link to a free, ad-free programming and logic learning resource called The Missing Manual.

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ProgrammingDEV Community ·

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