Video Caption Generator - Free AI Captions for Videos
Video caption generator automatically creates accurate captions for your videos using AI. This free caption generator supports 40+ languages with 95% accuracy and no watermark. Upload videos or paste URLs from YouTube, TikTok, Instagram - generate captions instantly.
Why use this video caption generator:
- Free video captions with no watermark
- 95% accuracy automatic caption generation
- 40+ languages including Spanish, French, German, Portuguese
- Export captions as TXT, SRT, VTT format
- No video length limits - caption 2-hour videos free
- Works with TikTok, YouTube, Instagram, Vimeo
- Edit generated captions before download
- No signup required for basic features
Generate captions for videos to improve accessibility, boost SEO rankings, and increase engagement. The AI handles multiple speakers, technical terms, and accents with professional-grade accuracy.
How Video Caption Generator Works
Creating captions for your videos takes three simple steps:
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Upload Video or Paste URL - Drag and drop video files (MP4, MOV, AVI, WebM) or paste links from YouTube, TikTok, Instagram, Vimeo. The caption generator accepts videos of any length.
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Automatic Caption Generation - AI transcribes video audio with 95% accuracy in under 60 seconds. The generator identifies speakers, adds punctuation, and formats captions with timestamps.
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Edit and Download Captions - Review auto-generated captions in the editor. Customize text, timing, and styling. Download as SRT, VTT, or TXT format. Embed captions directly in video or upload to social media.
The caption generator uses advanced speech recognition that outperforms basic auto-caption tools. Unlike YouTube’s auto-captions at 85% accuracy, this tool achieves 95% accuracy with proper punctuation and formatting.
Free Video Caption Generator vs Other Tools
| Feature | ScreenApp | VEED.IO | Kapwing | Canva |
|---|---|---|---|---|
| Free tier | Unlimited length | 10 min video limit | 10 min auto-captions/month | Unlimited |
| Watermark on free | No | Yes | Yes | No |
| Export quality free | 1080p | 720p | 720p | 1080p |
| Accuracy | 95% | 99% | 99% | 90-93% |
| Languages | 40+ | 125+ | 100+ | 40+ |
| Download formats | TXT, SRT, VTT | SRT, VTT, TXT (paid only) | SRT, VTT, TXT | MP4 with captions |
| No signup required | Yes | No | No | No (Canva account) |
| Video formats | MP4, MOV, AVI, WebM | MP4, MOV, AVI, WebM | MP4, MOV, AVI | MP4, MOV |
Key differences:
- vs VEED.IO: VEED.IO achieves higher accuracy (99%) with 125+ languages but limits free users to 10-minute videos with watermarks and 720p quality. Free users cannot download SRT files. ScreenApp offers unlimited length with no watermark and SRT downloads included free.
- vs Kapwing: Kapwing limits free users to 10 minutes of auto-captioning per month with watermarks. ScreenApp provides unlimited caption generation with no monthly limits or watermarks on exports.
- vs Canva: Both offer unlimited free captions with no watermark, but Canva requires an account and exports video with embedded captions only. ScreenApp downloads standalone caption files (SRT, VTT, TXT) for flexible use across platforms.
Benefits of Free Caption Generator for Videos
Improve Accessibility Captions make videos accessible to 466 million deaf and hard-of-hearing people worldwide. Meet ADA and WCAG accessibility requirements. 80% of viewers use captions even when not required - especially in sound-off environments like public spaces and offices.
Boost Video SEO Rankings Search engines index caption text to understand video content. Videos with captions rank higher in Google and YouTube search results. Caption text becomes searchable keywords that drive organic traffic to your content.
Increase Social Media Engagement Videos with captions get 40% more views on social media. 85% of Facebook videos are watched without sound - captions capture these viewers. TikTok, Instagram, and YouTube algorithms favor captioned content with higher retention rates.
Expand International Audience Generate captions in one language, then translate to 40+ languages. Caption generator makes content accessible to non-native speakers. Portuguese, Spanish, French, German captions expand your global reach without creating separate videos.
Save Time and Money Automatic caption generation completes in seconds instead of hours of manual transcription. Professional caption services cost $1-3 per video minute. This free caption generator processes unlimited videos with no per-video costs.
Who Needs Video Caption Generator
Content Creators and Influencers Add captions to TikTok, YouTube Shorts, Instagram Reels for higher engagement. Captions help viewers watch videos in sound-sensitive environments. Free caption generator with no watermark maintains professional appearance.
Social Media Managers Caption videos for Facebook, LinkedIn, Twitter to maximize reach. Schedule captioned content across multiple platforms. Export SRT files for consistent branding across all video content.
Educators and Course Creators Make educational videos accessible to all students including deaf and hard-of-hearing learners. Generate captions for lecture recordings, tutorials, and online courses. Meet accessibility compliance requirements for educational institutions.
Marketing Teams Caption promotional videos, product demos, and testimonials for better conversion rates. Videos with captions have 16% higher click-through rates. Improve ad performance on Facebook, YouTube, LinkedIn with professional captions.
Businesses and Enterprises Caption training videos, webinars, and corporate communications. Ensure accessibility compliance for employee and customer-facing content. Generate multilingual captions to serve global teams and markets.
FAQ
What is a video caption generator?
A video caption generator automatically creates text captions from video audio using AI speech recognition. The generator transcribes spoken words, adds punctuation, and creates timestamped captions. Download captions as SRT, VTT, or TXT files for use across platforms.
How accurate is the free caption generator?
This video caption generator achieves 95% accuracy on clear audio with minimal background noise. Accuracy depends on audio quality, speaker clarity, and technical terminology. Professional-grade speech recognition handles multiple speakers, accents, and industry-specific language better than basic auto-caption tools.
Can I generate captions for videos without a watermark?
Yes. This free caption generator adds no watermark to exported captions or videos. Unlike VEED.IO and Kapwing which watermark free exports, ScreenApp provides professional-quality captions with no branding on free tier.
What video formats does the caption generator support?
The caption generator works with MP4, MOV, AVI, and WebM video formats. Paste URLs from YouTube, TikTok, Instagram, and Vimeo for automatic caption generation. Upload local video files up to any length with no file size restrictions on free tier.
How long does it take to generate captions for a video?
Caption generation completes in under 60 seconds for most videos. A 10-minute video generates captions in approximately 30-45 seconds. Processing time scales with video length - 2-hour videos take 3-5 minutes to caption automatically.
Can I edit the auto-generated captions?
Yes. Review and edit all auto-generated captions before download. Fix transcription errors, adjust timing, and customize caption formatting. The editor displays video alongside captions for easy synchronization verification.
What languages does the video caption generator support?
The caption generator supports 40+ languages including English, Spanish, French, German, Portuguese, Italian, Dutch, Russian, Japanese, Chinese, Korean, and Arabic. Generate captions in one language and translate to other supported languages automatically.
Can I use generated captions for TikTok videos?
Yes. Generate captions for TikTok videos by uploading video files or pasting TikTok URLs. Download captions as SRT files and upload to TikTok’s caption editor. Captions improve TikTok engagement rates and algorithmic visibility.
Do I need to sign up to use the free caption generator?
No signup required for basic caption generation. Upload videos and download captions immediately without creating an account. Optional free ScreenApp account provides unlimited saved transcriptions and advanced caption editing features.
Can I generate captions for YouTube videos automatically?
Yes. Paste any YouTube URL into the caption generator for automatic transcription. The tool downloads YouTube video audio and generates accurate captions with timestamps. Download captions as SRT or VTT format for re-upload to YouTube or use in other platforms.
