AI Captions

Add animated AI captions and karaoke subtitles to your videos.

AI Captions adds animated, word-by-word subtitles to your videos in seconds. Drop a clip into the extension and it opens straight in the editor with your file ready — no uploads to wrestle with, no timeline to learn. It's the fastest way to add AI captions to video for Reels, Shorts and TikTok. 🎬 What it does AI Captions is an AI subtitle generator that listens to your video, transcribes the speech, and burns clean, styled captions right into the frame. From talking-head clips to podcasts and product demos — if there's speech, you get captions. ✨ Key features • AI captions generated automatically from speech — no typing • Karaoke subtitles that highlight each word as it's spoken • Auto subtitles for Reels, Shorts, TikTok and YouTube • Multiple caption styles: viral, cinematic, karaoke and more • Word-by-word animation that keeps viewers watching • One-click download with burned-in subtitles • Export-ready 1080×1920 vertical MP4 ⚡ How it works 1. Click the extension and drop your video 2. Confirm the spoken language 3. Pick a caption style 4. Render and download — captions are baked in That's the whole flow: a video captions generator and subtitle maker that turns raw footage into a share-ready clip without a heavy editor. 🔥 Built for creators Whether you run a personal account or manage commercial pages, this saves real time. SMM specialists, agencies and content creators use it to make subtitles for shorts and produce automatic subtitles at scale. Accurate AI captions online, fast — so you post more and edit less. 🗣️ Why captions matter Most social video is watched on mute. Open captions (hardcoded, always-on subtitles) lift watch time, reach and accessibility. With auto subtitles and karaoke subtitles, your message lands even with the sound off. 📌 Good to know • Processing runs on reelsub.app and needs a Reelsub account • New accounts get free minutes to start — no card required • No watermarks on your exports • Works for Instagram Reels, YouTube Shorts and TikTok videos Stop retyping captions by hand. Add AI captions to video, burn subtitles into video, and ship in minutes — AI captions for Reels, AI captions for Shorts and AI captions for TikTok, all from one extension.