The problem If you run a website, AI crawlers are hitting it constantly. GPTBot, ClaudeBot, Bytespider, CCBot — they scrape your content 24/7 for training data and search indexing. You pay the bandwidth bill. They get your content for free. The frustrating part is most developers have no idea how much of their server bill is pure bot waste until they actually look at their logs. What I built BotCost.dev is a free browser-based log analyzer. You drag and drop your server log file and it shows you exactly: Which AI bots are hitting your site How many requests each one made How much bandwidth each one consumed Estimated monthly cost in dollars A ready-to-paste Cloudflare WAF rule or Nginx config to block them The privacy part Everything runs in your browser. Your log file never leaves your device. We have no server that receives it. You can verify this yourself by opening your browser Network tab while running an analysis — you will see zero upload requests.…