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A lightweight and fast Firefox extension that lets you highlight words on a page with a double-click.

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🔍 Main Features

🖱️ Double-click highlights all occurrences of a word on the page.
🎨 Triple-click changes the highlight color.
🧹 Right-click removes all highlights.

📥 Manual Installation

  1. Download the extension using the button below.
  2. In Firefox, open about:debugging → “This Firefox” → “Load Temporary Add-on”.
  3. Select the manifest.json file from the folder.
  4. Pin the icon to the toolbar: right-click → “Pin to Toolbar”.
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▶️ See it in Action

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💬 Reviews

"A perfect tool for studying and reading!" – Lucia M.
"Simple yet effective. I love the triple-click feature." – Peter K.