Known issue: ChatGPT message box hidden

A recent ChatGPT update causes GPT Master to hide the message box. A fix is on its way and will install automatically. To keep chatting until then, turn off GPT Master in your browser's extensions settings and turn it back on in 1-2 days. We apologize for the inconvenience.

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What GPT Master adds to ChatGPT

chatgpt.com

Prompt Optimizer · draft → optimize → compare

Loved on the Chrome Web Store

4.8 stars. Featured on the Chrome Web Store.

Add to Chrome

★★★★★4.8 · 310 reviews16,000+ active users

Featured on the Chrome Web Store

Free to install. No signup required.

Frequently asked questions

Is GPT Master safe?

Yes. It's a Chrome extension that requests only the permissions it actually uses: access to chatgpt.com and Chrome storage on your profile. Your prompts and chats stay where they already are: in your ChatGPT account and your local browser profile.

Does it work with ChatGPT Plus, Team, and Custom GPTs?

Yes. GPT Master sits on top of chatgpt.com regardless of plan: Free, Plus, Team, Pro, or Enterprise. It works inside Custom GPTs, Projects, and shared workspaces. The minimap kicks in anywhere the conversation gets long.

Will this slow down ChatGPT?

GPT Master is built to stay light, runs in your browser, and refreshes shortly after new messages. Panels can be hidden at any time.

How-to guides

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Step-by-step walkthroughs for the most common ChatGPT pain points.

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