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Make huge ChatGPT chats feel light again. GPT Performance Optimizer prevents the page from choking on thousands of messages. It renders only the most recent messages by default and lets you reveal older ones when you actually need them. 🟢This is an open-source extension: https://github.com/sergey-pimenov/gpt_performance_optimizer ⚠️ When you reveal hidden messages, they’re shown in a simplified form. Some features may be limited. If you’re missing something you need, email me at pimenov.web@gmail.com and I’ll do my best to add it. ⚠️ Due to technical reasons (on ChatGPT’s side), it doesn’t work in ‘share’ chats such as https://chatgpt.com/share/* What it does: ⦿ Shows just the latest part of a long chat so the page stays fast and responsive. ⦿ Adds a slim toolbar with Show +10, Show all, and quick-navigation controls. ⦿ Reveals older messages on demand without reloading the page. ⦿ No accounts, no setup — just install and use. Permissions & privacy Site access: https://chatgpt.com/* only. No data collection. No analytics, no trackers, no external requests. Everything runs locally in your browser. We are not affiliated with OpenAI.
ChatGPT Performance Long Chats
Fix ChatGPT lag, freezing, and slow scrolling in long chats. Auto-collapse old messages and keep large conversations fast. 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 loaded and displayed to keep ChatGPT smooth and fast. Instead of loading and rendering the entire conversation at once, the extension limits the initial history load and automatically collapses older messages, keeping 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, allowing you to access more of the conversation on demand. You can choose between different loading modes to balance performance and context, or disable the limit entirely. 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.
ChatGPT Performance Booster
Speed up sluggish ChatGPT chats instantly! This extension virtualises messages in lengthy conversations, improving browser responsiveness and reducing memory usage. Key Features: • One-Click Boost: Hide older messages and restore smooth scrolling • Instant Reveal: Unhide any message when you need it • Lightweight & Fast: No setup – works seamlessly with ChatGPT Perfect for: • Power users with long conversation histories • Developers working on complex, multi-turn prompts • Anyone experiencing lag in lengthy ChatGPT sessions Works with all ChatGPT conversations, custom GPTs, and project-based chats.
ChatGPT Speed Booster
Fix lag, freezing, and sluggish scrolling in long ChatGPT conversations. All features free. Stop ChatGPT from Freezing and Lagging in One Click Speed Booster for ChatGPT is the Chrome extension to fix ChatGPT lag, freezing, slow scrolling, and high CPU usage in long conversations on Windows, Mac, and Chromebook. If you use ChatGPT for coding, writing, research, or long discussions, you already know the problem. After dozens of messages, Chrome slows to a crawl, scrolling becomes jittery, CPU usage spikes, and the tab starts freezing. Speed Booster for ChatGPT fixes that instantly, automatically, and privately. How It Fixes ChatGPT Lag and Freezing ChatGPT loads every single message into your browser at once. In long chats, Chrome has to render thousands of elements simultaneously, which tanks performance. Speed Booster manages rendering intelligently so only the messages visible on screen are active at any time. The result is smooth typing, smooth scrolling, and far lower CPU load even in chats with 500 or more messages. Lazy Load History loads older messages on demand as you scroll up. Your full chat history stays completely intact without any lag. Performance Mode strips unnecessary DOM elements, disables heavy animations, and reduces rendering overhead for maximum speed. Fast Scroll uses optimized scroll handling that eliminates jitter and stuttering in long conversations. Density Modes let you choose between Default, Compact, or Ultra-Compact layouts to fit more content on screen. Strip Code Colors removes syntax highlighting by default to reduce rendering weight. You can re-enable it from settings anytime. Disable Animations kills all CSS animations and transitions for a snappier, faster interface and is enabled by default. Disable Avatars hides avatar images and collapses their column to reclaim horizontal space and is enabled by default. Optimization Profiles let you switch between Balanced, Max Speed, Reading, and Dev Mode presets that automatically configure all settings for your workflow. Search in Conversation lets you instantly find any text in the current chat with highlighted results and keyboard navigation using Ctrl Shift F. Conversation Map uses auto-detected topic sections so you can jump between different parts of a long conversation using Ctrl Shift M. Export Conversations lets you download your chats as Markdown, Plain Text, or print to PDF. Advanced Settings give you full control over DOM limits, observer timing, scroll debounce, lazy load buffer, and rendering options. Quiet Mode disables all notifications for a completely clean interface. Why You Will Love It Smooth zero-lag typing and scrolling even in massive threads with hundreds of messages. Lower CPU and memory usage keeps Chrome fast and extends battery life. No lost messages because your complete history stays intact at all times. Works automatically so you just install once and ChatGPT instantly feels faster. Every feature is fully configurable right from the popup. No account required to use the extension. All optimization logic runs entirely on your device. Your chat data never leaves your browser. No data collection, no tracking, no uploads, and no chat deletions ever. A Note from the Developer This extension is built specifically to eliminate browser-side rendering lag, which are local slowdowns caused by large DOM trees in long ChatGPT conversations. It cannot fix OpenAI server outages or response delays, but it dramatically improves how your device handles large chats. If you run into any issue, please reach out at contact@gptbooster.webpurposes.co before leaving a review. I respond to every message and use your feedback to improve the extension for everyone. This extension is an independent project and is not affiliated with, endorsed by, or sponsored by OpenAI or ChatGPT.
ChatGPT Speed Booster
Keeps ChatGPT fast in long conversations by hiding older messages. Fix slow ChatGPT and reduce lag instantly. ChatGPT Speed Booster helps you speed up ChatGPT when conversations become long and slow. When a ChatGPT conversation grows large, hundreds of messages are rendered at once. This can cause slow ChatGPT performance, laggy scrolling, and delayed responses. ChatGPT Speed Booster solves this problem by hiding older messages before they are rendered. This keeps ChatGPT fast, smooth, and responsive — even in very long conversations. Your messages are never deleted. Older messages are simply hidden and can be loaded again anytime. If ChatGPT feels slow or laggy, ChatGPT Speed Booster helps optimize the conversation instantly. 🚀 Speed Up ChatGPT Improve ChatGPT performance by reducing the number of rendered messages in long conversations. 💬 Smart Message Optimization Older messages are hidden automatically to prevent slow ChatGPT and reduce lag. 📊 Live Conversation Stats See how many messages are currently visible, hidden, and total in your conversation. ⬆️ Load Older Messages Anytime Reveal hidden messages in chunks whenever you need to view earlier parts of the conversation. 🔄 Instant Optimization Use the “Optimize Now” button to instantly improve ChatGPT performance. Long ChatGPT conversations can contain hundreds of messages. When the browser renders all of them, performance drops and ChatGPT can feel slow. ChatGPT Speed Booster fixes slow ChatGPT by hiding older messages and keeping only the most recent ones visible. ChatGPT Speed Booster does NOT read, store, or send your conversations. All processing happens locally in your browser. If you want faster ChatGPT conversations and smoother performance, install ChatGPT Speed Booster and eliminate ChatGPT lag instantly.
