Fix ChatGPT lag, freezing, and slow scrolling in long chats. Auto-collapse old messages and keep large conversations fast.
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ChatGPT Performance Long Chats is a lightweight Chrome extension that eliminates lag and improves responsiveness in long ChatGPT conversations. As chats grow larger—especially with detailed explanations, long‑form writing, or extensive code blocks—performance often slows down due to the growing number of rendered messages in the browser. This extension optimizes how conversations are displayed to keep ChatGPT smooth and fast.
Instead of rendering the entire conversation at once, the extension automatically collapses older messages and keeps only the most recent ones visible. This significantly reduces DOM size and improves scroll performance in long chats. When you scroll upward, previously hidden messages are revealed automatically, so you never lose access to your full chat history.
You can configure how many recent messages remain visible by default, letting you balance performance and context based on your workflow. Whether you are reviewing code, writing long technical prompts, doing research, or managing extended discussions, the extension keeps ChatGPT responsive even in very large conversations.
The extension runs entirely client‑side. It does not collect data, does not track you, and does not send any information to external servers. All processing happens locally in your browser on chatgpt.com.
If you frequently experience slow scrolling, UI lag, freezing, or reduced responsiveness in long ChatGPT threads, ChatGPT Performance Long Chats provides an immediate performance boost without altering your content or deleting conversation history.
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Make gpt great again!
Works great, thank you! I've had to create a couple extensions for chatGPT myself to add some lacking UX stuff, but something like this is well outside of my wheelhouse (but a major friction point for me in my workflow). With ChatGPT's new right sidebar function to hop up and down your chat history, this extension doesn't seem to jive with it super well. Do you know if this is something you'll work on in the future? Thanks again!
Это расширение просто спасение. Огромное спасибо автору! почему я месяц назад не сообразил поискать его! ))
free and works idk about secure or not
Can you remove the side panel and control the plugin when clicking this extension in Chrome? (because the current side panel control is blocking some contents, especially long equation or using WideGPT plugin)
It works, no lag since i started using this extension, though i think chatgpt started answering for too long (not always)
Works.
Great extension. Worked immediately and has a simple, minimal, user-friendly design. Made my long chats load much faster and eliminated lag.
pushes the limits of architecture of chatgpt, even though chatgpt had worse architecture for optimization this dude pull something that worked perfectly! good job.
Amazing extension - has totally made long chats serviceable again - I had almost given up. Thanks a million!