How to Create a Chrome Extension with JavaScript | Build an AI Summarizer Chrome Extension
ProgrammingKnowledge — Oct 4, 2026 — tutorial
Why watch
A step-by-step tutorial for building an AI-powered Chrome extension that summarizes webpage content using JavaScript. Covers Manifest V3 structure, popup UI creation, content extraction, API integration, and security best practices for protecting API keys. Ideal for JavaScript beginners and frontend developers interested in browser extensions and AI integrations.