Show HN: SubSmith – Turn your own videos into language-learning material

SubSmith is a language-learning tool that converts personal videos and audio files into study material by generating accurate subtitles, providing instant word definitions, and exporting content to flashcard apps like Anki. The platform supports 99+ languages and offers a 7-day free trial, with pricing options of $15 annually or $40 for a lifetime license, positioning itself as more affordable and effective than traditional language classes.