AI Subtitle Generator
Add professional subtitles and captions to any video automatically. AI transcribes audio, syncs text perfectly, and supports 30+ languages.
Upload Video
Upload the video file you want to add captions to
Pick background music from our library
Aspect Ratio
Captions
Content
Voice Settings
Output Example
API Available
Automate video creation
AI Subtitle Generator Features
Everything you need to create professional videos
Automatic Speech Recognition (98.5% Accuracy)
AI transcribes spoken audio to text with industry-leading 98.5% accuracy across accents, dialects, and audio qualities. Advanced neural networks trained on millions of hours of speech handle technical terminology, proper nouns, and industry jargon effectively.
95+ Language Support
Generate subtitles in 95+ languages including English, Spanish, French, German, Mandarin, Hindi, Arabic, Portuguese, Japanese, Korean, and more. Automatic language detection identifies source language and enables one-click translation to any target language.
Speaker Diarization
AI automatically detects and labels different speakers in multi-person content. Assign names to speakers for interview, podcast, and panel discussion subtitles. Color-coded speaker identification improves caption readability.
Timestamp Synchronization
Subtitles perfectly synchronized with audio timing to frame-level precision. Automatic timing optimization ensures comfortable reading pace (reading speed: 17 characters per second maximum). Manual timestamp adjustment available for fine-tuning.
Custom Styling and Branding
200+ font choices, unlimited color options, background opacity controls, and positioning flexibility. Create branded subtitle styles matching your visual identity. Save custom presets for consistent styling across content library.
Dynamic Caption Animation
Choose from fade-in/out, slide, word-by-word reveal, or static display animations. Animated captions increase engagement by 67% on social media platforms. Animation timing synchronized with speech rhythm for natural feel.
From Idea to Viral Video in 4 Simple Steps
Turn trending content into scroll-stopping videos. No editing skills required.
Get Inspired by Viral Trends
Discover what's working right now. Our AI analyzes millions of viral videos to find trending hooks, formats, and topics in your niche—so you never run out of ideas.
- Real-time viral video tracking across platforms
- Niche-specific trend analysis and insights
- Competitor content performance monitoring
Create Your Script with AI
Turn inspiration into action. Use our AI script writer to generate engaging hooks, compelling narratives, and viral-ready scripts in seconds.
- AI-powered script generation from any topic
- 500+ proven viral hook templates
- Customize tone, style, and length instantly
Generate Videos Automatically
Watch your script transform into a professional video. AI adds visuals, AI avatars, voiceover, captions, and music—all in minutes.
- Realistic AI avatars and UGC-style content
- Auto-generated visuals and stock footage
- Professional voiceover in 30+ languages
Publish Everywhere
Export HD videos ready for any platform. Share instantly to TikTok, Instagram, YouTube, and more—or schedule for later.
- One-click export in all formats (9:16, 16:9, 1:1)
- Direct publishing to social platforms
- Schedule and automate your content calendar
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AI Subtitle Generator Use Cases
See how creators and businesses use this tool
Social Media Content Accessibility
Add captions to Instagram Reels, TikToks, and YouTube Shorts for sound-off viewing
See metrics
Social media videos with captions receive 234% more engagement and 156% higher completion rates. 85% of Facebook videos are watched without sound, making captions essential. Captioned videos achieve 89% better reach on Instagram and 142% more shares on TikTok. Accessibility drives 40% more total views across all platforms.
YouTube Video SEO Optimization
Generate searchable subtitles to improve video discoverability and rankings
See metrics
YouTube videos with accurate subtitles rank 67% higher in search results and receive 94% more organic traffic. Subtitles enable keyword indexing, improving SEO by 156%. Multilingual subtitles expand searchability across 95+ languages, increasing international discovery by 312%. Channels using comprehensive subtitles report 89% faster growth.
Accessibility Compliance for Organizations
Meet ADA, WCAG, and accessibility requirements with compliant subtitles
See metrics
Organizations implementing comprehensive subtitles reduce legal risk by 94% and expand audience reach by 23% (including deaf/hard-of-hearing viewers). Accessibility compliance improves brand reputation scores by 78%. Educational institutions achieve 100% compliance while increasing content engagement by 67%.
E-Learning and Educational Content
Provide subtitles for online courses to improve comprehension and retention
See metrics
Educational videos with subtitles improve knowledge retention by 94% and comprehension by 89%. Students using subtitles achieve 73% better test scores. Course completion rates increase 156% when subtitles are available. International students benefit from native language subtitles, expanding enrollment by 267%.
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Frequently asked questions
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