Auto Caption Generator
Automatically generate captions for your videos. No manual work required.
How Auto Captioning Works
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
- 85%of social videos watched without sound
- 3xmore engagement with captions
- 80%more likely to watch to the end
- ADAcompliant for accessibility
Everything You Need
Fully Automatic
Upload your video and get captions instantly. No typing, no timing.
Custom Styling
Choose from preset styles or create your own. Fonts, colors, animations.
Accessibility
Make your content accessible to deaf and hard-of-hearing viewers.
Boost Engagement
Captions increase watch time, shares, and algorithm ranking.
Automatic Captions: Save Hours of Manual Work
Manual captioning is tedious and time-consuming. Professional transcriptionists charge by the minute and take days to deliver. Auto caption generators produce results in minutes at a fraction of the cost.
Automatic caption technology has improved dramatically in recent years. Modern AI achieves accuracy rates above 95% for clear audio, making auto-generated captions viable for professional use with minimal editing.
The speed advantage is transformative for content creators. What once took hours of manual transcription now takes minutes, enabling subtitle workflows that were previously impractical for daily or high-volume content.
Pro Tips
Batch Processing Saves Time
Process multiple videos in sequence to maximize efficiency of your captioning workflow.
Create Reusable Styles
Save your caption styles as presets to apply consistently across all your content.
Quick Review Is Usually Enough
For most content, a quick skim catches the rare errors. Perfect transcription is rarely necessary.
Set Quality Audio Standards
Recording with decent audio quality pays dividends in caption accuracy and reduced editing.
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
What is auto captioning?
Auto captioning uses AI to automatically generate text captions from your video audio. No manual transcription needed.
How long does auto captioning take?
Most videos are captioned in under 2 minutes. Longer videos may take a bit more time.
Can I edit the auto-generated captions?
Yes! Our built-in editor lets you fix any errors, adjust timing, or rephrase text.
What video formats are supported?
We support MP4, MOV, AVI, MKV, and most common video formats.
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