Sider
A browser sidebar for chatting with ChatGPT, Claude, Gemini and other models while you search, read and write on any page.
Chrome extension
Adds extra controls to the ChatGPT interface, such as copy buttons, read-aloud and navigation helpers, to make long chats easier.
ChatGPT Optimizer adds a collection of interface tweaks to ChatGPT in Chrome, such as copy buttons and read-aloud controls. It is meant for regular ChatGPT users who find long chats awkward to navigate and want small conveniences built in.
Open ChatGPT after installing and the extra buttons appear on messages; adjust which features are active from the extension's settings.
It only changes the ChatGPT website and may break temporarily when that site updates. Check its Chrome Web Store page for current terms.