AI Subtitle Generator
Let AI do the work. Generate accurate subtitles automatically with state-of-the-art speech recognition.
How AI Subtitle Generation 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
- 99%transcription accuracy with AI
- 100+languages supported
- 10xfaster than manual transcription
- Wordlevel timing precision
Everything You Need
Powered by OpenAI Whisper
State-of-the-art AI speech recognition for industry-leading accuracy.
Word-Level Timestamps
Every word is precisely timed. Perfect for karaoke-style highlighting effects.
Multi-Language AI
Transcribe any language. Translate between languages automatically.
Easy Corrections
AI not perfect? Edit any word with our intuitive subtitle editor.
How AI Subtitle Generation Actually Works
Modern AI subtitle generation uses deep learning models trained on millions of hours of audio and text. These models learn the patterns of human speech, enabling them to convert audio to text with remarkable accuracy.
SubtitlesFast uses state-of-the-art speech recognition models that handle accents, background noise, and multiple speakers. The AI processes your audio in the cloud, returning accurate transcriptions in minutes.
Unlike simple speech-to-text, subtitle AI must also understand timing. Our models identify natural break points, sentence boundaries, and optimal subtitle lengths to create readable, well-paced captions.
Pro Tips
Clear Audio Improves Results
While our AI handles noise well, clearer source audio produces more accurate transcriptions.
Review and Refine
AI is highly accurate but not perfect. Quick human review catches the small percentage of errors.
Specialized Vocabulary May Need Edits
Uncommon proper nouns or technical terms may need manual correction.
Trust the Timing
Our AI is trained for optimal subtitle timing. The pacing is designed for comfortable reading.
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 does AI subtitle generation work?
Our AI analyzes your video audio using OpenAI Whisper, transcribes speech to text, and generates word-level timestamps automatically.
Is AI transcription accurate?
Yes! Our AI achieves 99% accuracy for clear audio. Background noise or heavy accents may reduce accuracy, but you can easily edit any mistakes.
Can AI translate my subtitles?
Yes! Select a different output language and the AI will transcribe and translate your video in one step.
Is it better than manual transcription?
AI is 10x faster and just as accurate. Manual transcription of a 10-minute video takes 1-2 hours. AI does it in minutes.
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