EditThisCookie Is Gone — Now What? In late 2024, EditThisCookie — the most popular cookie editor for Chrome with millions of users — was removed from the Chrome Web Store. The reason: it never migrated to Manifest V3. Overnight, millions of developers and testers lost their go-to cookie management tool. I saw an opportunity and built CookieJar — a modern, MV3-native cookie editor with features EditThisCookie never had. What CookieJar Does Differently 1. Automatic Cookie Classification EditThisCookie showed you a flat list of cookies. CookieJar automatically classifies every cookie into 6 categories: Essential — Session tokens, CSRF tokens, auth cookies Functional — Language preferences, UI settings Analytics — Google Analytics, Mixpanel, Hotjar trackers Advertising — Facebook Pixel, Google Ads, retargeting cookies Social — Social media widgets, share buttons Unknown — Unclassified cookies Classification uses a combination of: Pattern matching on cookie names (e.g., _ga → Analytics) Domain matching against…