I built a tool that turns your website or content into viral TikTok slideshows

1 Fr1tz1707 0 7/23/2025, 8:27:46 AM

Hi HN! I'm 21 and recently launched my first real SaaS: https://shortgen.io

It lets you:

Enter your website, product link or Promt

AI analyzes the content

Instantly turns it into a slideshow-style TikTok (titles, pacing, text, visuals — all done)

Why? I wanted to help founders and small businesses get attention on TikTok without filming or editing anything. It started as something I wished existed for myself and I built it.

Progress so far:

815 users

$80 MRR

One feature recently went viral, bringing in 4 new trials overnight

Free trial = huge boost in conversions

also i added a feature to create clips from any video like youtube by analyzing the content with Ai.

Still very early, but I’m learning a lot fast

Tech stack:

Frontend: Next.js

Backend/API: Supabase (Postgres + Auth)

Hosting: Railway

AI/LLMs: OpenAI API + other LLM's as fallback....

Email: Resend

Logging/Analytics: DataFast

Lessons: Free plans = bad activation

Free trials (with credit card) = way better intent and way fewer support issues

Everyone says “build for yourself”it’s true. The only reason I’ve pushed through the rough weeks is because I actually use my own tool

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I built a tool that turns your website or content into viral TikTok slideshows

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