YouTubeYouTube Description Generator
YouTube Description Generator
SEO-ready, instantly
Upload your video and get keyword-rich YouTube descriptions with auto chapter timestamps. Rank faster, retain longer.
Upload your video
MP4, MOV, WEBM
SEO descriptions
Keyword-rich descriptions that rank. CaptionAI reads your video content and writes copy search engines love.
Chapter timestamps
Auto-generated chapter markers from video scenes — keeps viewers watching and boosts average view duration.
Long-form support
Videos up to 60 minutes supported on the YouTube plan. Perfect for tutorials, vlogs, and course content.