@GPTdefender: AI prompts can contain more personal data than you think. We catch it before you hit send.

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Summary

GPT Defender is a browser tool that automatically scans ChatGPT prompts in real time for personal and sensitive data, alerting users before any information is sent. It offers options to review, redact, or allow detected sensitive content before submission.

AI prompts can contain more personal data than you think. We catch it before you hit send.
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Cached at: 04/21/26, 07:08 AM

# GPT Defender — Stop Leaking Personal Data to ChatGPT Source: [https://www.gptdefender.ai/?twclid=2dwnl9h5qokbdrvwvuepxbz5zw](https://www.gptdefender.ai/?twclid=2dwnl9h5qokbdrvwvuepxbz5zw) WATCH NOW ## See GPT Defender in action ![](https://www.gptdefender.ai/landing-page/video-poster.webp) 38seconds HOW IT WORKS ![](https://www.gptdefender.ai/landing-page/open-chatgpt.png) ### Open ChatGPT Head tochat\.openai\.com\. GPT Defender activates automatically whenever you visit ChatGPT\. ![](https://www.gptdefender.ai/landing-page/type-normally.png) ### Type normally Write your prompts as you always do\. GPT Defender scans every message for personal and sensitive data in real time\. ![](https://www.gptdefender.ai/landing-page/stay-protected.png) ### Stay protected Get instant alerts when sensitive data is detected\. Review, redact, or allow before anything is sent\. ![](https://www.gptdefender.ai/landing-page/open-chatgpt.png) ### Open ChatGPT Head tochat\.openai\.com\. GPT Defender activates automatically whenever you visit ChatGPT\. ![](https://www.gptdefender.ai/landing-page/type-normally.png) ### Type normally Write your prompts as you always do\. GPT Defender scans every message for personal and sensitive data in real time\. ![](https://www.gptdefender.ai/landing-page/stay-protected.png) ### Stay protected Get instant alerts when sensitive data is detected\. Review, redact, or allow before anything is sent\. Open ChatGPT and start chatting\. GPT Defender runs in the background, keeping your data private\. GPT Defender will activate automatically

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