YouTube to
TikTok AI

Repurpose long-form YouTube videos for TikTok posts in seconds.

A large video frame with a TikTok logo and a smaller frame inside an editing interface with a YouTube logo.A large video frame with a TikTok logo and a smaller frame inside an editing interface with a YouTube logo.

Create
viral clips

TIkTok-ready

Make your long-form video go further by selecting clips primed for TikTok, with AI.

Custom to you

AI analyzes your content, extracting the clips that are most likely to go viral.

Quick to make

No need to edit. Let Captions zero in on the perfect video highlights in seconds.

 A cursor hovers over the TikTok logo beside the YouTube logo, with three clips in the editing timeline and the result shown in the background.

How to convert clips
in three steps

A file dragged inside an uploading field with a box displaying an URL.

Upload

Paste your YouTube video link into Captions.

Editing symbols displayed above a video frame.

Refine

Review your clips and edit them with AI.

Export to camera roll button with a recommended download setting

Export

Export and post on TikTok.

Frequently asked questions

FAQ

How long can the YouTube video I can convert with Captions be?

For the AI Shorts clip maker, the original video must be between 10 minutes and two hours long.

Can I customize the TikTok’s size?

After AI extracts clips, you’re able to adjust your TikTok video length and aspect ratio to fit the platform’s standards. You can also use Captions’ AI tools to edit videos for the perfect TikTok.

Is TikTok or Reels better for creating viral content?

Instagram and TikTok share many similar features—short-form videos, live streaming, and personalized algorithms—all driving viral potential. While TikTok is often favored for reaching a younger audience, Instagram, as a more established platform, boasts higher engagement.

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