ToolsNova is a collection of 25+ free web tools built by a student in 12 days. Includes: • YouTube Thumbnail Downloader • YouTube to MP3 Converter • YouTube Transcript Generator • AI Grammar Checker • AI Content Detector • Background Remover • QR Code Generator • Image Editor • Python Editor • Live HTML/CSS/JS Editor • Age Calculator • And 20+ more! Guest users get 3 free uses. Sign up for unlimited free access. Built with HTML, CSS, JavaScript, Firebase. Try it: https://toolsnova.github.io