According to AlphaMoat, as of 2026-09, the Chrome extension Claude Speed Booster has 222 users (+37.9% MoM), rated 5 (5 reviews) — ranked #3,073 of 9,324 AI browser extensions, and #758 of 2,418 in General AI.
What is Claude Speed Booster
Keeps Claude fast in long conversations by hiding older messages. Fix slow Claude and reduce lag instantly. ⚡ Make Claude fast again — even in conversations with hundreds of messages.
Is Claude.ai getting slow, laggy, or freezing in long chats? As your conversation grows, Claude renders every single message at once — flooding your browser with thousands of DOM elements and 2–4GB+ of memory. The result: jittery scrolling, slow replies, high CPU usage, and a tab that crawls or crashes.
Claude Speed Booster fixes this instantly. It keeps only your most recent messages on screen and hides older ones before they ever slow your browser down — so Claude stays smooth, snappy, and responsive, no matter how long the conversation gets.
━━━━━━━━━━━━━━━━━━━━ 🚀 KEY FEATURES ━━━━━━━━━━━━━━━━━━━━
✅ Instant Speed Boost Reduce the number of rendered messages and feel Claude respond faster right away — smooth typing and zero-lag scrolling even in massive threads.
✅ Smart Auto-Optimization Older messages are hidden automatically as your chat grows. Set it once and forget it — Claude stays fast in the background.
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✅ Customizable Message Limit Choose exactly how many recent messages stay visible — from 1 to 200. Tune performance to your device.
✅ Nothing Is Ever Deleted Hidden messages are fully recoverable. Reveal older parts of your Claude conversation anytime, in chunks or all at once. Your full history stays intact.
✅ Live Statistics See how many messages are visible, hidden, and total — plus how much memory you're saving in real time.
✅ One-Click "Optimize Now" Boost a heavy conversation instantly with a single click.
✅ 100% Private & Local All processing happens locally in your browser. No conversations are read, stored, or sent anywhere. Zero data collection.
━━━━━━━━━━━━━━━━━━━━ 💡 HOW IT WORKS ━━━━━━━━━━━━━━━━━━━━
Claude Speed Booster intercepts your conversation data before the page renders it, keeping only your latest messages active. This dramatically cuts DOM size and memory usage — the root cause of slow Claude — while preserving full context and chat history.
━━━━━━━━━━━━━━━━━━━━ 👤 WHO IS IT FOR? ━━━━━━━━━━━━━━━━━━━━
- Power users with long, ongoing Claude.ai threads
- Developers and writers who keep huge context windows open
- Anyone on a laptop or low-RAM device whose browser slows down
- Users tired of Claude freezing, lagging, or crashing mid-chat
━━━━━━━━━━━━━━━━━━━━ 🔒 SAFE & TRANSPARENT ━━━━━━━━━━━━━━━━━━━━
- No messages deleted — ever
- No data stored or collected
- Works entirely inside your browser
- No account or credit card required to start
Stop fighting a slow, frozen Claude. Install Claude Speed Booster and keep Claude.ai fast in long conversations — instantly.
Extension profile
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Data month: 2026-09 · User counts and ratings come from public Chrome Web Store data, aggregated monthly. See methodology.