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Vertical video maker

Vertical video is more important than ever. Make videos for top platforms faster with Captions. From creating your video to the perfect edit, Captions helps you make videos you'll be excited to use.

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The best vertical videos, no matter your workflow

Made for the scroll

Design for vertical platforms from the start. Captions makes it simple to generate and edit portrait videos that fit naturally into TikTok, Reels, and Shorts.

Repurpose existing videos

Already have footage? Captions can convert horizontal videos into vertical clips so your existing content works across mobile-first platforms.

Edit faster

Cropping, reframing, captions, pacing—vertical editing can be tedious. Captions uses AI to automate the process so you can produce polished vertical videos quickly.

Two overlapping videos of a woman in a kitchen, one horizontal and one vertical, with Export and resize icons displayed on the interface.

Why Captions works

Trained on what performs

Editing for social can feel like guesswork. Captions makes it simple. Our AI learns from top-performing videos and turns those patterns into ready-to-use editing styles. Choose the one that matches your video’s vibe and Captions will automatically apply edits so your footage instantly feels polished and ready for the feed.

A vertical video with social icons overlaid on the same video in horizontal format. Aspect ratio controls are in the right corner.

Frequently asked questions

What is a vertical video editor?

A vertical video editor helps you create and edit videos in portrait format designed for mobile viewing. Tools like Captions make it easy to generate, edit, and publish AI vertical videos that work naturally on TikTok, Instagram Reels, and YouTube Shorts.

Can I convert horizontal videos using a vertical video maker?

Yes. A vertical video maker like Captions can automatically resize and reframe horizontal footage into portrait format. This makes it easy to edit vertical videos and repurpose existing content for mobile-first platforms.

Why are vertical videos important for social media?

Vertical videos fill the entire screen on mobile devices, which is how most people watch content today. Because of this, platforms like TikTok, Instagram Reels, and YouTube Shorts prioritize vertical video formats in their feeds.

What makes Captions a strong portrait video editor?

Captions works as a powerful portrait video editor with AI tools that help creators edit vertical videos faster. Features like automatic captions, smart reframing, and AI edit styles help videos look polished and feel natural in mobile feeds.