Chrome Extension Development Tips — What I Learned Publishing 11 Extensions

Chrome Extension Development Tips — What I Learned Publishing 11 Extensions I built and submitted 11 Chrome extensions to the Chrome Web Store. Two are live, one is in review, and eight are pending. Here's everything I wish I'd known before starting. The 11 Extensions Extension Category Status Tab Manager Pro Productivity Published Quick Notes Productivity Published Hash & Encode Tool Developer Tools In Review Color Picker Pro Developer Tools Pending JSON Formatter Developer Tools Pending Readability Score Writing Pending SEO Meta Checker SEO Pending Bookmark Organizer Productivity Pending Page Speed Checker Developer Tools Pending Dark Mode Toggle Accessibility Pending Screenshot Capture Utility Pending Tip 1: Use Manifest V3 from Day One Manifest V2 is deprecated. Google won't accept new V2 extensions. Don't waste time learning V2 patterns. Key V3 changes: background.js → Service Workers (no persistent background page) chrome.browserAction → chrome.action Remote code execution is blo