
Pasteboard Poison Protection by Demigod
Detect when copied data is silently changed by malware before pasting. Protects crypto wallets, banking info, and sensitive data.
1 User1 User
You'll need Firefox to use this extension
Extension Metadata
About this extension
Pasteboard Poison Protection monitors your clipboard in real-time to detect and alert you when pasted content is altered by malware. Designed to protect cryptocurrency wallets, banking information, passwords, and any other sensitive data from clipboard hijacking attacks.
🔒 Features:
SHA-256 hash-based copy/paste comparison
Levenshtein distance similarity detection
Visual alerts via browser notifications and overlays
No storage of clipboard content — only hashes
Adjustable sensitivity and hash expiry
Works offline with zero external requests
This extension is 100% privacy-focused and lightweight, protecting your digital life with zero tracking or cloud processing.
💡 Usage: Copy any content, and if a pasted version differs significantly, you’ll be alerted instantly.
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Permissions and dataLearn more
Required permissions:
- Get data from the clipboard
- Input data to the clipboard
- Display notifications to you
- Access your data for all websites
More information
- Add-on Links
- Version
- 1.0.1
- Size
- 26.42 KB
- Last updated
- 8 days ago (Jul 31, 2025)
- Related Categories
- License
- MIT License
- Privacy Policy
- Read the privacy policy for this add-on
- Version History
- Add to collection
Release notes for 1.0.1
Added dark theme support for the extension UI.
Improved visual consistency and readability in low-light environments.
Minor CSS/UI adjustments for better user experience.
Improved visual consistency and readability in low-light environments.
Minor CSS/UI adjustments for better user experience.
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