KatKut AI: Captions & B-Roll

KatKut AI is an AI video editor for talking-head videos. Record yourself talking, pick the video, and KatKut AI turns it into a finished vertical short: word-timed captions in the language you speak, subtitle translation into 140 languages, matching B-roll, motion graphics and an opening hook. Change anything you like, then export a 9:16 video for TikTok, Instagram Reels or YouTube Shorts. Auto captions in 101 languages • Word-timed captions from your speech, in the words you actually said • Speak English, Spanish, Portuguese, Hindi, Japanese, Turkish, Arabic, Nepali or any of 101 languages • 13 caption styles, six of them animated word by word, including Karaoke, Pop and Hero Word • Captions are burned into the video, so they show on every platform, even for people watching on mute Subtitle translation into 140 languages • Choose the spoken language and the caption language separately • Speak English and caption in Spanish, or speak Japanese and caption in English • Languages not written in Latin letters, such as Hindi, Japanese or Arabic, can be captioned in their own script or in Roman letters • Edit any translated line before you export Automatic B-roll • The AI works out what each moment is about and cuts in matching licensed stock footage • Cutaways stay short, never cover more than half the video, and your voice keeps playing underneath Motion graphics from what you say • Mention a price, a percentage, a list, a place, a trip, a time or a date, and KatKut AI can turn it into an animated graphic • 28 designs, including price tags, progress rings, numbered lists, map pins, flight routes, clocks and calendars • Change the text, numbers, design, colour and font of any graphic An opening hook from your own words • The AI writes a short hook from what you say in the first seconds and animates it in one of 10 designs • Rewrite it, restyle it or remove it You stay in control • Every caption, clip, graphic and the hook sits on one simple timeline • Rewrite, retime, move, restyle or delete anything, with undo and redo • Turn off Smart B-Roll if you only want captions Export on your phone • Rendered once on your phone with its hardware encoder, at your video's resolution, up to 4K where your phone supports it • Saved to your gallery, with shortcuts to share to TikTok and Instagram Multi-Clip Reel • Shot a day of short clips? Pick them all, and KatKut AI keeps the best moments and cuts one 9:16 reel • Five styles: Auto, Travel & Adventure, Mini Vlog, Food & Cooking, and Unboxing & Style • Choose the length, from under 30 seconds to over two minutes • Landscape clips get a blurred background instead of black bars • Runs entirely on your phone; nothing is uploaded Your privacy • Your video file never leaves your phone • To make captions, only the audio is sent for transcription, and the final video is rendered on your device • Multi-Clip Reel sends nothing at all Free and Pro • Free: every feature, with 4 minutes of Studio video a month, videos up to 1 minute long, a watermark on exports and ads • KatKut AI Pro: 120 minutes a month, videos up to 5 minutes, no watermark and no ads • Studio needs a free account (sign in with Google) so your monthly minutes can be tracked Made for short-form creators, vloggers, travel creators, educators, sellers and anyone who talks to the camera and wants a finished short without editing on a timeline. . Website: https://katkut.app Questions or feedback: [email protected]