AI Caption Generator
Transform Your Videos with AI
Generate professional captions with AI voiceovers, dynamic animations, and attention-grabbing effects to make your videos stand out.
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Create engaging videos in 3 steps
AI Caption Generator
Upload your videos and let AI generate high-quality captions with various animation templates and attention-grabbing effects.
Dynamic Captions
Choose from 100+ caption styles with precise timing control, animations, and effects to make your content more engaging.
AI Voiceovers
Select from 100+ natural-sounding AI voices with emotion control to add professional narration to your videos.
Frequently Asked Questions
Our AI caption generator uses advanced speech recognition technology to automatically transcribe your video content. Then, our AI analyzes the transcription for key points and emotional context, generating perfectly timed captions with appropriate styling. You can choose from various pre-designed templates or customize every aspect of your captions including fonts, colors, animations, and positioning. The entire process takes just minutes, saving you hours of manual captioning work.
Capvibe supports all major video formats including MP4, MOV, AVI, WMV, and MKV. You can upload videos up to 2GB in size and up to 30 minutes in length on our standard plans. Our platform is optimized for vertical videos (9:16 aspect ratio) commonly used on platforms like TikTok, Instagram Reels, and YouTube Shorts, but we also support horizontal (16:9) and square (1:1) formats. If you have special format requirements, our premium plans offer support for additional formats and longer videos.
Our AI caption generator currently supports transcription and caption generation in over 50 languages, including English, Spanish, French, German, Chinese, Japanese, Korean, Arabic, and many more. For AI voiceovers, we offer 100+ natural-sounding voices across 30+ languages with various accents, ages, and emotional tones. Premium voices feature enhanced emotional range and expression control. We're constantly adding new languages and voices to our library based on user feedback and market demand.
Our AI transcription technology achieves over 95% accuracy for clear audio in supported languages. Factors that may affect accuracy include background noise, speaker accents, technical terminology, and audio quality. After automatic transcription, our platform provides an easy-to-use editor where you can review and correct any errors before generating your final captions. For professional or critical content, we recommend a quick review of the transcription for optimal results. Premium plans include enhanced accuracy models specifically trained for different accents and industry-specific terminology.
Absolutely! Capvibe offers extensive customization options for your captions. You can adjust fonts, sizes, colors, backgrounds, positioning, animations, and timing. We provide 100+ pre-designed templates to get you started quickly, but every element is fully customizable to match your brand identity or creative vision. You can save your custom styles as templates for future use, ensuring consistency across all your videos. Our premium plans include additional advanced animation effects, custom font uploads, and brand kit integration for seamless styling across your entire content library.
Capvibe offers multiple export options to suit your needs. You can export your captioned videos as MP4 files in various resolutions (up to 4K) and quality settings. We also support direct export of SRT or VTT subtitle files for platforms that handle captions separately. For accessibility compliance, you can generate caption files that meet ADA and WCAG standards. Premium users can access additional export formats, batch exporting capabilities, and direct publishing integrations with platforms like TikTok, Instagram, YouTube, and Facebook.