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Preview of Paste_Guard

Paste_Guard by Fedor

Protects your privacy by masking secrets, API keys, and passwords when pasting into AI chat sites. Works fully offline — nothing leaves your browser.

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About this extension
PasteGuard automatically detects and masks secrets such as API keys, tokens, and passwords before they are pasted into web chat fields — including ChatGPT, Copilot, Gemini, DeepSeek and others. It works 100% locally inside the browser without sending or storing any data.

Features:
• Detects 20+ secret patterns (API keys, JWT, OAuth, etc.)
• Works in text boxes and editors
• Fully offline, no tracking or external connections
• Customizable allow/block list for sites
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Permissions and data

Required permissions:

  • Access browser tabs
  • Access browser activity during navigation
  • Access your data for all websites

Data collection:

  • The developer says this extension doesn't require data collection.
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More information
Version
0.2.3
Size
205.24 KB
Last updated
14 days ago (Oct 17, 2025)
Related Categories
  • Web Development
  • Privacy & Security
License
MIT License
Version History
  • See all versions
Tags
  • chat
  • security
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