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Description
Fix ChatGPT lag, slow scrolling and typing in long conversations. Speeds up loading and reduces memory. Automatic — no setup needed. ChatGPT running slow? Smooth GPT kills the lag, stutter, and RAM drain in long conversations. Instant. Automatic. You're 80 messages deep into a brilliant conversation and ChatGPT has turned into a slideshow. Scrolling stutters. Typing lags. Your tab is eating 2 GB of RAM for breakfast. Smooth GPT fixes that. Install it, forget about it, enjoy a fast ChatGPT again. No setup. No buttons. No nonsense. ── WHAT'S ACTUALLY HAPPENING ── ChatGPT doesn't throw away old messages — it loads all 300 of them, renders every single one, and makes your browser suffer for it. Smooth GPT intercepts that before React gets anywhere near it. ▸ API trim — the big one Strips old messages from the conversation payload before they ever touch the DOM. A 280-message chat goes from ~27,000 DOM nodes down to ~4,000. Typing lag: gone. Scroll stutter: gone. You control how many messages to keep (default: 80). ▸ Code block deflation Got a chat full of code? Each syntax-highlighted block secretly contains hundreds of invisible <span> elements. Smooth GPT collapses off-screen code blocks to plain text and quietly rebuilds them as you scroll. DOM node count drops 60–90% in code-heavy conversations. ▸ Content-visibility + CSS containment Tells the browser to skip rendering off-screen messages entirely, and wraps each message so that typing in the input box can't cause a full-page reflow. The typing-lag fix that should've been in ChatGPT from day one. ▸ Aggressive pruning (optional, off by default) Full nuclear option. Physically removes off-screen messages from the DOM and replaces them with invisible placeholders. Flip it on if you're running a 500-message epic. ── PRIVACY — THE SHORT VERSION ── Zero data collected. Ever. Everything runs locally in your browser. No servers, no accounts, no tracking. Your conversations stay yours. ── PERMISSIONS — WHY WE NEED THEM ── • chatgpt.com & chat.openai.com — to actually do the work on ChatGPT pages. • scripting & tabs — to show live stats in the popup (DOM node count, messages trimmed, etc.). That's it. We don't touch any other site. ── WHO DID THIS? ── Built by Kozilabs. Say hi at kozilabs.lt