AI long to short video tools automatically clip a long video into several short highlights ready to post. You upload a podcast, webinar, or stream, and the tool finds the strongest moments, reframes them vertically, and adds captions, turning one recording into a batch of shorts. Leading options include Opus Clip, Vizard, Pictory, and Submagic.
Podcasters, course creators, and marketers use these to repurpose existing footage instead of filming new clips, which is the fastest way to feed several platforms from one source. The AI scores moments for hook strength and virality, then hands you a queue of ready clips to refine. When you're choosing, check how well the auto-reframe keeps speakers centered and how accurate the highlight detection is, since you'll still review picks. A weak moment the AI rates highly is the usual thing to catch before posting.