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Best AI Tools to Auto-Generate YouTube Shorts from Long Videos

The best AI tools for generating YouTube Shorts automatically extract viral moments from long-form video, reframe them into vertical 9:16 aspect ratios, and generate dynamic karaoke-style captions.

Best AI Tools to Auto-Generate YouTube Shorts from Long Videos

TL;DR: Creators can dramatically increase their social media footprint by automating their short-form content pipeline. To start auto-generating vertical clips, try Braiv Shorts.

The best AI tools to auto-generate YouTube Shorts from long videos analyze spoken words and viewer retention signals to extract viral moments automatically. They reframe the video to 9:16 vertical format, add dynamic karaoke-style captions, and can even translate the spoken audio to target international audiences.

1. Braiv - End-to-End Shorts Automation

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Braiv doesn’t just clip your videos into Shorts—it turns them into a global asset. With Braiv, you can automatically extract engaging vertical clips, add animated captions, translate them into over 50 languages, and use AI voice dubbing to ensure they resonate in any market. Finally, you can auto-publish them directly to your YouTube channel.

2. Opus Clip - Fast Viral Extraction

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Opus Clip specializes in finding the “hook” within your long-form video. It ranks clips with a virality score, auto-centers faces, and applies dynamic text that mimics popular TikTok creators.

3. Munch - Trend-Driven Clipping

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Munch differentiates itself by cross-referencing your video’s content with current social media trends and search volume, ensuring the clips it generates are aligned with what audiences are actively looking for right now.