Blog

Updates, tutorials, and behind-the-scenes from building 990+ online tools.

19 May 2025

Launching yanni.uk: 990+ Tools in One Place

How I built a marketplace of nearly 1000 online tools covering everything from AI content generators to financial calculators, and why I chose a freemium model with $1/month subscriptions.

launchupdate

19 May 2025

How the AI Tools Work: Under the Hood

A technical look at the pay-per-use AI tools on yanni.uk. Stripe checkout, Supabase edge functions, and how results get generated and delivered in real time.

technicalai

19 May 2025

Free Tools, No Strings Attached

162 tools are completely free to use. Here is the full list of free API tools and calculators, and how the $1/month subscription works for unlimited access.

free toolsguide

More posts coming soon. Follow along as we add new tools every week.