X Toolkit is a free collection of 44+ online tools for social media managers, developers, and SEO professionals. Key tools: 🔍 Bulk X/Twitter account checker (shows followers, verified status, join date — 100 accounts at once) 🤖 AI Bio Generator & Text Detector ⚙️ Developer tools (JSON formatter, JWT decoder, Regex tester, UUID generator) 🔍 SEO tools (Schema generator, Meta tag generator, Robots.txt builder) 🔌 Chrome Extension for temp email + OTP detection All free.