How to Add Viral AI Captions to Short Videos with Submagic

August 19, 2026
Short-form video is everywhere, and captions are essential for engagement. Submagic automates the whole process. Submagic is an AI video tool that adds perfectly timed, viral-ready captions with emojis and effects to your TikToks, Reels, and Shorts.

Here is how to add viral AI captions to short videos with Submagic.

Step 1: Upload your video. Sign up at Submagic and upload the clip you want to caption. Submagic handles common formats and lengths for short-form platforms.

Step 2: Auto-generate captions. Submagic transcribes your audio and creates captions that are timed to your speech. It also supports multiple languages, so you can reach a global audience.

Step 3: Choose an animated caption style. Pick from presets that add emphasis, emojis, and keyword highlights. These styles are designed to grab attention and boost watch time.

Step 4: Apply your branding. Use branded preset styles to keep every video on-brand, with your fonts, colors, and visual identity consistent across your content.

Step 5: Export and publish. Review the captions, polish any details, and export a platform-ready file. Publish directly to TikTok, Reels, or Shorts with captions that pop.

With Submagic, you can create more engaging short videos in minutes. Auto-captions, effects, and branded styling make every clip feel finished and ready to grow your audience.

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