Build a Chrome Extension With AI: Complete Guide for 2026
Building a Chrome extension can be a highly rewarding way to automate browser tasks, enhance web pages, or integrate third-party services directly into your browsing experience. This guide will walk through the process of developing a simple but functional Chrome extension, focusing on how modern AI coding assistants like GitHub Copilot, Cursor, or Codeium can dramatically accelerate development, reduce boilerplate, and even suggest solid solutions for common challenges. We will build a “Keyword Highlighter” extension that allows users to input keywords and have them highlighted on the active web page, demonstrating core extension concepts like Manifest V3, content scripts, and message passing, all while using AI to streamline the coding process. ...