GPT Cleaner

Fix ChatGPT lagging in long conversations by keeping only the last N messages visible for faster performance.

ChatGPT can start lagging in long conversations, especially when many messages are loaded in the UI. GPT Cleaner solves this problem by keeping your ChatGPT interface fast and responsive. Important: This extension does NOT delete your conversations. Messages are only removed from the user interface (UI) to improve performance. Your full conversation remains safely stored in your ChatGPT account. Key features: • Fixes ChatGPT lagging in long conversations • Manually clean messages with a single click • Automatically clean messages as new replies appear • Choose how many recent messages to keep • Works only on chatgpt.com • No data collection, no tracking, no analytics How it works: GPT Cleaner removes older messages only from the page display. This reduces DOM size and improves scrolling, typing, and overall responsiveness. All processing happens locally in your browser. No data is sent to any server. Perfect for users who use ChatGPT heavily and experience slow performance in long chats. This extension is not affiliated with OpenAI. What’s New • Updated message container detection for the latest ChatGPT UI changes • Improved cleaning logic to target only valid chat turn containers • Faster auto-clean behavior for smoother performance in long conversations • Improved startup handling for more reliable cleanup on page load • Refreshed UI with a more modern design Fixes: • Fixed intermittent content script connection issue: "Could not establish connection. Receiving end does not exist." • Improved reliability of auto-clean state sync using storage