Auto Caption Generator
Add trending animated captions to your short videos automatically. Shortzly's AI generates word-level captions with 6 popular styles that boost watch time and accessibility.
Three Steps to Viral Shorts
Paste Your Video URL
Drop any YouTube, Vimeo, or Twitch link. Or upload your own video file directly.
AI Finds the Best Moments
Our AI analyzes your video, scores every segment for viral potential, and selects the highlights.
Download Polished Clips
Review, customize captions and face tracking, then download ready-to-post clips in any format.
Why Creators Choose Shortzly
Boost Watch Time by 40%
Studies show captions significantly increase video watch time. Most viewers watch short-form content with sound off-captions are essential.
A Bigger Caption Library
Word-by-word, typewriter, karaoke, bounce, highlight, and pop, plus newer boxed presets and a Word Pop animation, with keywords emphasised automatically.
Word-Level Accuracy
AI speech recognition provides word-level timestamps for perfectly synced caption animations. No manual timing needed.
Everything You Need to Create Shorts
AI Speech Recognition
Whisper-powered transcription with word-level timestamps for precise caption sync.
CapCut Style
Word-by-word appearance and disappearance-the most popular style on TikTok and Reels.
Karaoke Style
Text fills with color as words are spoken, creating a sing-along effect.
Custom Colors & Fonts
Customize font, text color, outline color, size, and position to match your brand.
Bounce & Pop Effects
Words scale in with bounce or pop animations for dynamic, eye-catching captions.
Brand Templates
Save your preferred caption settings as reusable templates for consistent branding.
Frequently Asked Questions
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Learn moreReady to Viral Shorts?
Paste a video URL, pick your highlights, and download ready-to-post clips. Try either plan for 7 days for $1, including 30 clips and 10 faceless reels.
Card required · Nonrefundable $1 verification charge · Regular plan price after 7 days unless you cancel