Sider
A browser sidebar for chatting with ChatGPT, Claude, Gemini and other models while you search, read and write on any page.
Chrome extension
Stretches ChatGPT conversations and the message box to fill your window, with a width slider and a shortcut to switch it on or off.
Wide GPT stretches ChatGPT conversations and the message box to fill your browser window in Chrome. It is for people who read long answers, code or tables in ChatGPT and want less scrolling and wasted space at the sides.
ChatGPT switches to the wider layout as soon as it is installed; use the popup only if you want to adjust the width or change which pages are affected.
It only changes the layout of chatgpt.com. The developer says it needs no account and tracks nothing; the shortcut can be changed in Chrome's extension shortcut settings.