Auto Highlight

Auto Highlight

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Introduction
Auto Highlight is a Chrome extension that automatically highlights important content on article pages.
Listed on
July 23, 2026
FreeBrowser ExtensionAI Summarization

What is Auto Highlight?

Auto Highlight is a browser extension that automatically identifies and highlights important sentences on article pages. It selects important content using an algorithm based on word frequency across the entire article, functioning similarly to an article summarizer, aiming to help users quickly grasp the key points of an article. The extension does not collect or transmit user data, and all options are saved locally.

How to use Auto Highlight?

  • After installing the extension, click the highlighter icon in the address bar to use it. Clicking the icon multiple times changes the extent of the highlighted coverage. As you click more times, the available ink shown on the icon decreases, indicating a change in the highlighting level.

Core features of Auto Highlight

  • Automatically highlights important content on article pages
  • Uses a word frequency-based algorithm to select important sentences
  • Adjusts highlight coverage by clicking the icon
  • Does not collect or transmit user data; options are saved locally
  • Open source; source code available on GitHub

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