Sider
A browser sidebar for chatting with ChatGPT, Claude, Gemini and other models while you search, read and write on any page.
Chrome extension
Lets you highlight text on any tab and send it to ChatGPT in a quick popup, so students can look things up without switching tabs.
GptGO lets you highlight text on any tab and look it up in ChatGPT through a small popup, so you do not have to switch to the ChatGPT site. It is aimed mainly at students who want quick explanations while they read.
Highlight text on a page and use Quick Search, or open the popup from the toolbar to start a new chat.
It is a third-party tool, not made by OpenAI, and selected text is sent to ChatGPT. The developer states it must not be used for academic dishonesty.