Mads Sastakauskas

Part-time indie hacker with a questionable dopamine system.
Founder of FjordKit, and creator of the ChatGPT Style Consistency Toolkit.

Products

Things I've built

ChatGPT Style Consistency Toolkit
Save hours of trial and error, and make ChatGPT graphics that don't suck. This toolkit enables you to create consistently styled brand visuals, across different styles and stories.
Launched May 2025

Recent activity

Realising the value of my product - or lack thereof, shifting mindset, and then finally earning the first dollar

Clarity Converts: Got my first 4 signups in 24 hours. After the 4th landing page iteration in two weeks.

I Tested 100 Startup Ideas in 30 Days - Only 3 Were Worth Building (Here's the Exact Framework I Used)

I added a tutu-clad viking to my landing page.

Yesterday, I released my first product: 'Art Direction with ChatGPT' — giving most of it away for free.

How I Validated My Micro-SaaS Idea Quickly (And You Can Too!)