WideChat - Full Width AI Chat for ChatGPT, Claude, Gemini & others

Make ChatGPT, Claude, Gemini and other AI chats full width. Expand the narrow chat area to use your entire wide screen.

Tired of the narrow chat window wasting your wide screen? WideChat expands the conversation area in your favorite AI chats to use the full width of your monitor. No more squinting at a narrow column in the middle of the screen while the rest sits empty. Works with all major AI chats: ChatGPT, Claude, Gemini, and many others. Why WideChat? - Configurable width: choose anywhere from default to 100% full screen - Works instantly: the chat expands automatically when you open the site - Lightweight: WideChat only adjusts CSS, zero performance impact - Free and open source Whether you're reading long AI responses, reviewing code, or having a deep conversation, WideChat gives you the screen space you paid for. WideChat is the simple, free widescreen extension for AI chat. Install it once, and every AI chat you use gets wider immediately. Release log: 1.1.0 - added support for Copilot. 1.0.0 - Initial version, made support of 7 AI chats.