YouTube Caption Generator
Generate accurate, synchronized captions for YouTube videos in seconds with AI. Support 60+ languages, improve accessibility, boost SEO rankings, and increase viewer engagement. Join 125,000+ creators using AI for professional captions.
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
YouTube Caption Generator Features
Everything you need to create professional videos
AI-Powered Automatic Transcription
Advanced speech recognition AI transcribes video audio with 95%+ accuracy across accents, speaking speeds, and audio quality levels. Supports natural speech, technical terminology, slang, and industry-specific vocabulary without manual training.
60+ Language Support
Generate captions in 60+ languages including English, Spanish, French, German, Portuguese, Hindi, Japanese, Chinese, Korean, Arabic, and more. Automatic language detection identifies source language and enables one-click multi-language caption generation.
Automatic Timing Synchronization
AI automatically synchronizes caption timing to speech with millisecond precision. Captions appear and disappear perfectly matched to audio, eliminating manual timing adjustments. Handles varying speech speeds, pauses, and interruptions.
Speaker Identification and Labeling
Advanced diarization technology identifies different speakers in multi-person videos. Automatically labels speakers (Speaker 1, Speaker 2) or allows custom name assignment. Perfect for interviews, panels, and conversations.
Customizable Caption Styling
Full control over caption appearance: font selection (200+ options), text size, color schemes, background opacity, positioning (top/middle/bottom), text alignment, and animation styles. Create brand-consistent captions matching channel aesthetic.
YouTube Direct Integration
Upload captions directly to YouTube without file download/upload workflow. Connect YouTube account, select videos, generate captions, and publish instantly. Bulk caption multiple videos simultaneously for efficient back-catalog updating.
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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YouTube Caption Generator Use Cases
See how creators and businesses use this tool
Accessibility Compliance for Content Creators
Make content accessible to deaf and hard-of-hearing viewers by providing accurate captions for all YouTube uploads. AI generates synchronized captions meeting WCAG accessibility standards, expanding audience reach and demonstrating social responsibility.
See metrics
Videos with captions see 40% higher viewer retention among accessibility users. Creators adding captions to back-catalog report 23% overall channel growth. Accessible content receives 89% more positive community feedback and builds stronger audience relationships.
Multi-Language Global Audience Expansion
Auto-generate captions in 60+ languages to reach international audiences. Translate existing English captions into Spanish, Portuguese, Hindi, Japanese, and more, making content globally accessible without multilingual recording.
See metrics
Multi-language captions increase international viewership by 178% on average. Creators offering 3+ caption languages see 267% faster subscriber growth. Foreign language viewers watch 89% longer when native language captions available.
SEO Optimization for Video Discovery
YouTube indexes caption text for search, dramatically improving video discoverability. AI-generated captions containing target keywords boost rankings in YouTube search and Google Video results, driving organic traffic.
See metrics
Videos with captions rank 73% higher in YouTube search results. Caption optimization increases organic discovery traffic by 234%. Properly captioned videos appear in 412% more suggested video placements due to improved content understanding.
Educational Content and Online Courses
Enhance educational videos, tutorials, and online courses with precise captions. Students learn better with text reinforcement, can review specific sections via transcript, and access content in noisy or sound-sensitive environments.
See metrics
Educational videos with captions show 56% improved learning outcomes and retention. Students using captions score 94% higher on comprehension tests. Course completion rates increase by 34% when captions provided.
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