AI Captions for Videos: Captio

Auto-caption any video with AI in seconds. Instantly translate subtitles to 100+ languages & add AI dubbing in your own voice. One tap, viral-ready.

Captio transforms any video into scroll-stopping content with AI-powered captions, translations, and dubbing. Create viral-ready clips for TikTok, Instagram Reels, YouTube Shorts and more – in minutes, right from your phone.

Why captions matter Most people watch videos on mute. If your message isn't on screen, you're losing views, watch time and followers. Captio fixes this in one tap:

• Automatically transcribes your audio with advanced AI
• Adds accurate, well-timed captions to every scene
• Uses bold, readable fonts that stand out on mobile
• Helps you reach global audiences with instant translations
• Now with AI dubbing — speak in any language, in your own voice

AI Dubbing: Speak to the world Break language barriers and sound natural everywhere:

• Transform your speech into other languages with realistic voice
• Keep your tone, emotion and timing
• Perfect for creators, ads, tutorials, interviews, and global brands
• Export videos with matching captions + perfectly synced audio

Designed for creators, marketers and brands Whether you're a solo creator, social media manager or growing brand, Captio gives you a fast, reliable workflow:

• Create platform-ready clips for TikTok, Reels, Shorts and Stories
• Match your brand with customizable fonts, colours and styles
• Highlight key words with dynamic emphasis and animations
• Export high-quality videos ready to post anywhere

Key features

AI-powered transcription

• Fast, accurate speech-to-text in multiple languages
• Works great with different accents and recording conditions
• Edit any line of text before exporting

Automatic captions & timing

• Perfectly synced subtitles, generated in seconds
• Adjustable caption speed, line breaks and layout
• Support for multi-line captions and long videos

Multi-language translation

• Translate your captions into dozens of languages
• Reach international audiences without hiring a translator
• Ideal for global brands, educators and creators

AI Dubbing

• Convert your voice into other languages with natural sound
• Keep your vocal style, pace and emotion
• Auto-sync with captions and visuals
• Create multilingual content from a single recording

Styles that match your content

• Ready-made templates for viral shorts and reels
• Choose fonts, sizes, colours and backgrounds
• Create clean, cinematic or bold “viral meme” looks

Free Plan Start using Captio for free with:

• 1 video per day (up to 1 minute)
• 1 daily translation
• Limited AI dubbing

Upgrade to Premium Unlock the full power of Captio with a subscription:

• Unlimited video creation up to 10 minutes
• Premium animations & styles
• Full access to AI dubbing in all languages
• No watermark on exports