FirstGuard - AI Prompt Security & Privacy

Detect and highlight sensitive data in your ChatGPT prompts before sending

As of June 2026, FirstGuard - AI Prompt Security & Privacy has 6 users and a 5.00/5 rating from 2 reviews in the Privacy & Security category.

Usersup 200.0 percent+200.0%
6
6
Ratingno change0%
5.00
2 reviews
Reviewsno change0%
2
Version
1.2.2
Manifest V3
90-day change · In the last 90 days this extension 3 version updates.

History

10 snapshots

Tracking since Apr 3, 2026.

6.3241.6799999999999997Apr 3, 2026Jun 11, 2026
View as table
DateUsersRatingReviewsVersion
Apr 3, 202625.0021.0.0
Apr 17, 202625.0021.1.2
Apr 27, 202635.0021.1.2
May 5, 202635.0021.1.2
May 10, 202645.0021.1.2
May 16, 202635.0021.1.2
May 22, 202645.0021.1.2
May 29, 202645.0021.2.0
Jun 5, 202645.0021.2.2
Jun 11, 202655.0021.2.2
Now65.0021.2.2

Changelog

  • May 22, 2026
    short_description
    Security scanner for your LLM prompts
    Detect and highlight sensitive data in your ChatGPT prompts before sending
  • May 22, 2026
    name
    FirstGuard
    FirstGuard - AI Prompt Security & Privacy

Permissions & access

Permissions
storagetabsactiveTabsidePaneloffscreenalarms
Host access
https://chat.openai.com/*, https://chatgpt.com/*, https://claude.ai/*, https://gemini.google.com/*, https://copilot.microsoft.com/*, https://chat.mistral.ai/*, https://www.perplexity.ai/*, https://perplexity.ai/*, https://chat.deepseek.com/*, https://www.phind.com/*, https://you.com/*, https://huggingface.co/chat/*, https://aistudio.google.com/*, https://labs.google.com/*, https://poe.com/*, https://grok.com/*, https://coral.cohere.com/*

Screenshots

FirstGuard - AI Prompt Security & Privacy screenshot 1FirstGuard - AI Prompt Security & Privacy screenshot 2FirstGuard - AI Prompt Security & Privacy screenshot 3FirstGuard - AI Prompt Security & Privacy screenshot 4FirstGuard - AI Prompt Security & Privacy screenshot 5FirstGuard - AI Prompt Security & Privacy screenshot 6FirstGuard - AI Prompt Security & Privacy screenshot 7FirstGuard - AI Prompt Security & Privacy screenshot 8

About

FIRSTGUARD: AI PRIVACY & SECURITY FOR EVERYONE

Stop letting your personal data, API keys, or trade secrets feed AI models without oversight. From families protecting their children to professionals securing company secrets, FirstGuard is the essential shield for safe AI usage.

🛡️ EARLY ACCESS & EVOLUTION
FirstGuard is currently in Early Access (Beta). By joining us now, you become part of our founding community. We are committed to evolving this tool to meet the highest security standards, with new exclusive features and enhanced capabilities coming soon.

🔒 ABSOLUTE PRIVACY (ZERO SERVER)
Unlike other tools, FirstGuard analyzes your data 100% locally in your browser.

• Zero Data Transmission: Nothing ever reaches our servers.
• 100% Local Processing: No text is stored outside of your machine.
• Total Ownership: Your privacy remains your exclusive property.

🚀 KEY FEATURES:

 Real-Time Scanning: Instant detection of emails, credit card numbers, and API keys in your prompts.
• Secure Document Analysis: Drag-and-drop PDF/Text files for a private security check.
• Risk Scoring: Immediate visual feedback on your prompt's safety level.
• Customizable Themes: Switch between Light and Dark modes to suit your Workspace.
• Smart Side Panel: Monitor your security continuously without interruption.
• Fully Customizable: Toggle detection rules based on your specific needs.
• Privacy Logs: Local history of your alerts, stored only on your device.


Why FirstGuard?
Because AI security should be simple and accessible to all. Install FirstGuard today and use ChatGPT with total peace of mind.

Technical

Version
1.2.2
Manifest
V3
Size
30.03MiB
Min Chrome
88
Languages
2
Featured
No

Metadata

ID
iffghhkgpdiekcpbemgnpjllmljdmdem
Developer ID
ucdf9a89608cea7c59cbc6ddaa67f7ddc
Developer Email
[email protected]
Created
Mar 17, 2026
Last Updated (Store)
May 23, 2026
Last Scraped
Jun 11, 2026
Website

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Data sourced from the Chrome Web Store · last verified Jun 11, 2026.