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1. Click the extension icon and make sure the popup shows your profile is active (try Max Speed).
2. Refresh the ChatGPT tab after changing settings.
3. Very long chats are also slowed down by OpenAI's own servers — the extension removes the browser-side lag (typing, scrolling, rendering), but it cannot speed up the model's responses.
OpenAI changes ChatGPT's interface frequently, which can temporarily break optimizations. Toggle Performance Mode off in the popup (or switch to the Reading profile) as a workaround, and send a message above — fixes usually ship quickly.
That's an optimization, not a bug. Hide Images replaces images with click-to-load placeholders, and Strip Code Colors removes syntax highlighting to lighten rendering. Both can be turned off in the popup under Settings → Rendering.
Popup → Settings → Language. "Auto" follows your browser's language; you can also pick any of the 15 supported languages manually.
Ctrl+Shift+F — search in the conversation.
Ctrl+Shift+M — open the conversation map.
It reads the page locally to apply optimizations — and nothing ever leaves your browser. No analytics, no tracking, no servers. See the full Privacy Policy.
Yes. Every optimization is reversible from the popup, and disabling or uninstalling the extension returns ChatGPT to exactly its default behavior. Your conversations are never modified or deleted.
Enjoying Speed Booster? These two clicks help more than you'd think.