YouTube Shorts Subtitle Generator
Get more views on your Shorts with captions. AI-powered subtitles for vertical YouTube content.
How to Add Subtitles to YouTube Shorts
Upload Your Video
Drop your video file or paste a URL. We support MP4, MOV, and all common formats.
Auto-Generate Subtitles
Our AI transcribes your video with word-level accuracy. Edit any mistakes with our built-in editor.
Export & Share
Download your video with burned-in subtitles, or export as SRT for any platform.
Why Subtitles Matter
- 50Bdaily YouTube Shorts views worldwide
- 2xhigher retention with captions
- 60smax length - every second counts
- SEOcaptions help Shorts rank in search
Everything You Need
Shorts Optimized
Formatted perfectly for vertical 9:16 Shorts. Captions sized for mobile viewing.
Hook Viewers Fast
Captions grab attention in the first 3 seconds. Keep viewers watching longer.
Reach Global Audience
Add subtitles in any language. Translate your Shorts for international viewers.
Instant Captions
Get subtitles in under a minute. Keep up with your Shorts posting schedule.
YouTube Shorts: Why Captions Drive Views
YouTube Shorts has exploded in popularity, with over 50 billion daily views. This vertical video format competes directly with TikTok and Instagram Reels, and the competition for attention is fierce. Subtitles help your Shorts stand out in the endless scroll.
Unlike regular YouTube videos, Shorts autoplay without sound by default. This means your first few seconds must communicate visually. Bold, animated captions ensure viewers understand your content immediately, increasing the chance they will watch to the end.
YouTube Shorts creators who consistently use subtitles report higher subscriber conversion rates. When viewers can easily understand your content, they are more likely to explore your channel and subscribe for more.
Pro Tips
Hook Viewers in 1 Second
Your first caption should appear immediately and create curiosity. Phrases like "Wait for it" or "You won't believe this" work well.
Use Large, Bold Text
Shorts are viewed on mobile, often in thumbnail form before expanding. Large text ensures your captions are readable even at small sizes.
Match Trending Styles
Pay attention to what successful Shorts creators use. Currently, word-by-word highlighting and pop-up animations perform best.
Leverage Hashtag Captions
Include 2-3 relevant hashtags in your video description, and consider incorporating them naturally into your subtitles for emphasis.
Trusted by 10,000+ Content Creators
“I post daily and SubtitlesFast saves me hours every week. The accuracy is incredible.”
— Sarah
Travel Vlogger (500K subscribers)
“Finally, subtitles that don't look like garbage. My engagement went up 30% after switching.”
— Marcus
Tech Reviewer
“The AI picks up my accent perfectly. Way better than YouTube's auto-captions.”
— Priya
Lifestyle Creator
Frequently Asked Questions
How do I add subtitles to YouTube Shorts?
Upload your Short to SubtitlesFast, generate captions with AI, customize styling, then download and upload to YouTube.
Do captions help Shorts perform better?
Yes! Captions increase watch time, which signals to YouTube that your Short is engaging. This boosts algorithmic reach.
Can I use the same captions style as viral Shorts?
Yes! We offer trending caption styles including bold text, word highlighting, and animated effects.
What format works best for Shorts?
We export in 9:16 vertical format, perfect for YouTube Shorts. Videos must be 60 seconds or less.
How much does it cost?
You can try SubtitlesFast for free with 3 video exports. Premium plans start at €13/month for unlimited exports.
Start Adding Subtitles Today
Get professional subtitles in minutes. No credit card required.
Add Subtitles Now - Free