Attribute Highlighter

Attribute Highlighter is a powerful and lightweight browser extension designed for developers and testers who work with HTML attributes like data-testid, id, or custom locators. With a few clicks, you can: ✅ Highlight all elements with a specific attribute 🏷️ Display the attribute values directly on the UI 📋 Extract attribute values for documentation or automation 🚨 Identify elements with missing or blank attribute values 📦 Work within specific page sections or globally 🔍 Quickly validate locator coverage across your application Especially useful for QA engineers, test automation authors, and front-end developers who rely on structured attributes for writing reliable and maintainable tests.