WhatsApp Privacy Blur Extension

A lightweight Chrome extension that automatically blurs WhatsApp Web content for privacy in public or work environments. Hover to reveal content re-blurs when the mouse leaves.

Features

• Automatic blur of chat list, messages, media, names, and profile pictures
• Hover to reveal with smooth transitions
• Dynamic support for new messages and chat switching (MutationObserver)
• Privacy-first: no data collection, no network calls, works offline
• Zero interference with normal WhatsApp usage

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Installation

Load Unpacked (Chrome / Chromium)

1. Download or clone this repository.
2. Open chrome://extensions/.
3. Enable Developer mode.
4. Click Load unpacked and select the project folder.
5. Open https://web.whatsapp.com.

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Usage

• Open WhatsApp Web.
• All content is blurred by default.
• Hover over any blurred area to reveal it.
• Move the mouse away to re-apply blur.

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How It Works

• Manifest V3 Chrome extension
• Content script injects CSS/JS on WhatsApp Web
• CSS blur (filter: blur()) for performance
• MutationObserver keeps blur applied to dynamic content

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Privacy & Security

• No data collection or storage
• No external connections
• Minimal permissions (WhatsApp Web only)
• Open-source and auditable

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Customization

Edit styles.css:

.privacy-blur {
  filter: blur(8px); /* Adjust blur intensity */
  transition: filter 0.2s ease-in-out; /* Adjust speed */
}

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Compatibility

• Chrome 88+
• Edge, Brave, and other Chromium browsers

Not compatible with Firefox, Safari, or the WhatsApp Desktop app.

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License

Free to use, modify, and distribute.

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Version

v1.0.0 — Initial release