TikTok Subtitle Generator
Create viral TikTok videos with eye-catching subtitles. AI-powered captions in seconds.
How to Add Subtitles to TikTok Videos
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
- 80%of TikTok users watch with sound off in public
- 55%higher engagement with captioned videos
- 1B+daily active TikTok users worldwide
- ViralCaptions boost discoverability and shares
Everything You Need
Viral Styles
Use trending caption styles that stand out. Word-by-word highlighting, animations, and bold fonts.
Mobile-Ready
Perfectly formatted for vertical video. Your captions will look great on any device.
Super Fast
Get your captions in under a minute. Keep up with your daily posting schedule.
Word-Perfect Timing
AI syncs each word precisely to your speech. No more awkward timing mismatches.
Why Subtitles Are Essential for TikTok Success
TikTok has fundamentally changed how people consume video content. With 80% of users watching videos without sound in public spaces, captions are no longer optional—they are essential for engagement. Videos with subtitles consistently outperform those without, seeing up to 55% higher engagement rates.
The TikTok algorithm favors videos that keep viewers watching. When you add captions, viewers who cannot or choose not to use sound can still engage with your content, increasing watch time and signaling to the algorithm that your video is worth promoting.
Trending TikTok styles often feature bold, animated text that highlights words as they are spoken. This karaoke-style caption format has become synonymous with viral content. SubtitlesFast lets you create these eye-catching styles without expensive editing software.
Pro Tips
Use Word-by-Word Highlighting
The most engaging TikTok captions highlight each word as it is spoken. This karaoke-style effect keeps viewers focused and increases retention.
Position Captions Strategically
Place subtitles in the center or upper third of the screen to avoid overlap with TikTok UI elements like the like button and comments.
Choose Bold, Readable Fonts
Sans-serif fonts with thick strokes work best on mobile. Avoid thin or decorative fonts that become illegible on small screens.
Add Text Shadows or Outlines
A dark shadow or outline ensures your captions remain readable over any video background, from bright outdoor scenes to dark interiors.
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 a TikTok video?
Upload your video to SubtitlesFast, auto-generate captions with AI, customize the style, then export and upload to TikTok.
Can I use the same caption style as viral TikToks?
Yes! We offer trending styles including word-by-word highlighting, bold fonts, and animated text effects.
What video format works best for TikTok?
We export in 9:16 vertical format, perfect for TikTok. You can also adjust the canvas to any aspect ratio.
How much does it cost?
You can try SubtitlesFast for free with 3 video exports. Premium plans start at €13/month for unlimited exports.
Is it better than TikTok's built-in captions?
Yes! Our AI is more accurate, and you get full control over styling. TikTok's auto-captions are limited in customization.
Start Adding Subtitles Today
Get professional subtitles in minutes. No credit card required.
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