I Built a Chrome Extension That Bulk-Cleans Gmail in One Click If you're like me, your Gmail inbox is a graveyard of newsletters you never read, promo emails from 2019, and 40MB attachments from a group project you forgot about. Google gives you 15GB free, and somehow that "free" tier feels like extortion the second you cross it. So I built Gmail One-Click Cleaner — an open-source, Manifest V3 Chrome extension that bulk-cleans Gmail in one click. No servers, no analytics, no API keys. Everything runs in your browser. The problem The "obvious" solution everyone reaches for is one of those services that asks for full Gmail OAuth scope. You hand over your entire mail history to a startup you've never heard of, and they delete some emails for you. That's a wild trade.…