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AI Prompt Injection Scanner

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ExtensionDeveloper Tools5 users
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Item media 1 (screenshot) for AI Prompt Injection Scanner
Item media 1 (screenshot) for AI Prompt Injection Scanner
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Overview

Scans any page for prompt injection attacks — hidden text, zero-width characters, suspicious meta tags and more.

AI Prompt Injection Scanner What is a prompt injection attack? AI assistants like Claude, ChatGPT, or any AI built into a browser, work by reading content and following instructions. Prompt injection is when someone hides malicious instructions inside a webpage, designed to be invisible to you but readable by the AI. The goal is to hijack the AI's behaviour: making it recommend a scam site, reveal your private data, pretend to be something it isn't, or ignore its safety guidelines entirely. These attacks are invisible by design. The text might be white on a white background, written in a font the size of a pixel, buried in a hidden HTML comment, or disguised using invisible Unicode characters, completely undetectable to the human eye, but the AI reads every word.

Details

  • Version
    2.0.0
  • Updated
    March 16, 2026
  • Size
    95.45KiB
  • Languages
    English (United Kingdom)
  • Developer
    flowio
    48 West George Street Glasgow G2 1BP GB
    Website
    Email
    hello@flowio.co.uk
  • Non-trader
    This developer has not identified itself as a trader. For consumers in the European Union, please note that consumer rights do not apply to contracts between you and this developer.

Privacy

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The developer has disclosed that it will not collect or use your data. To learn more, see the developer’s privacy policy.

This developer declares that your data is

  • Not being sold to third parties, outside of the approved use cases
  • Not being used or transferred for purposes that are unrelated to the item's core functionality
  • Not being used or transferred to determine creditworthiness or for lending purposes

Support

For help with questions, suggestions, or problems, please open this page on your desktop browser

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