Built for Clarity
YayKyi is a global hub for smart, interactive tools. We build deterministic, high-performance utilities that empower real-life decisions — from love compatibility to salary calculations to pregnancy tracking.
Our Mission
The internet is full of tools that are slow, ad-riddled, require sign-ups, or produce inconsistent results. We built YayKyi to be the antidote: a platform where every tool is fast, free, private, and precise.
We believe that great tools should be accessible to everyone — not just those who can afford subscriptions or are willing to hand over their data. That's why everything on YayKyi runs entirely in your browser, with zero data collection and zero cost.
What We Stand For
Precision First
Every tool uses deterministic algorithms. No fuzzy logic, no AI hallucinations — just accurate, reproducible results you can trust.
Privacy by Default
All calculations happen in your browser. We never store, sell, or transmit your personal data. What you enter stays with you.
Globally Accessible
Free, forever. No paywalls, no sign-ups, no limits. Every tool is available to anyone, anywhere, on any device.
Built with Care
We obsess over UX details — smooth animations, keyboard navigation, mobile-first design, and accessibility at every step.
Purpose-Driven
Every tool we build solves a real problem. We don't ship features for the sake of it — we ship tools that make a difference.
Always Improving
We listen to our users and iterate constantly. If a tool can be better, we make it better — no excuses, no delays.
Have a question or idea?
We'd love to hear from you. Reach out anytime.