Katto

Katto

Turn long videos into viral social media shorts

katto
@katto
Published on Aug 9, 2026
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Pricing
Freemium from $12
Platforms
Web

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About Katto

Katto turns long-form videos — YouTube links, podcasts, Twitch VODs, uploads up to 90 minutes — into ready-to-post 9:16 shorts in about 5 minutes, instead of a full day of manual editing. Key features: Miru, a scoring AI that grades every clip on hook, flow, value and trend, and surfaces the 10 best; word-by-word captions in 99 languages with AI proper-noun correction; smooth auto-reframing that tracks the action; one-click publishing to 7 platforms (YouTube, TikTok, Instagram, LinkedIn, Threads, Bluesky, Mastodon). What makes it different: it works on sports, gaming and multi-speaker shows — not just talking heads — and pricing is flat monthly: no credits, no expiring minutes, unlike OpusClip, Klap, Vizard or Submagic. What you can expect: one weekly 1-hour podcast episode becomes 10 ranked, captioned shorts, published everywhere in one click — a month of social content from four uploads.

Screenshots

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Reviews (0)

katto
@kattoOwner

Solo founder here, building Katto in public. It turns long streams, podcasts and YouTube videos into ready-to-post 9:16 clips: flat price, no credits, no expiring minutes. It clips Twitch VODs natively and auto-stacks facecam + gameplay for gaming content. Miru scores every clip so you post the best ones. Happy to take feature requests or answer anything, drop a comment.

Comments (1)

katto
@katto

Solo founder, building from Japan around a day job. I built Katto because clipping tools bill like taxi meters — so it's flat pricing, no credits, and Miru (my scoring AI) shows you the 10 best clips