Sam

Built Castlo to repurpose content

About

building AI tools for creators. I built Castlo because I was tired of spending hours repurposing content manually across platforms. So I automated it. If you're a creator who makes content — I'm building for you.

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Tastemaker

Gone streaking

Maker History

CastloCreate once. Publish everywhere.
Mar 2026

🎉

Joined Product HuntFebruary 24th, 2026

Forums

p/castlo-repurpose-your-content

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6h ago

How Castlo turns 1 piece of content into 10 posts in seconds

Who is Castlo for? Creators, solopreneurs and social media managers who are tired of manually rewriting content for every platform.

How does it work? Paste any long form content Castlo instantly generates tweets, Instagram captions and LinkedIn posts in seconds.

Why not just use ChatGPT? ChatGPT makes you prompt every time. Castlo is purpose built for repurposing paste and go. Zero prompting needed.

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8h ago

Castlo - Create once. Publish everywhere.

Creators waste hours every week rewriting the same content for every platform. Castlo kills that. Paste any blog, YouTube script or long form content → instantly get tweets, captions and LinkedIn posts ready to publish. No prompting. No rewriting. No burnout. One paste. Ten platforms. Seconds. Built for creators who want to publish more without working more. 🚀