ZynoxPrince

Builder and AI Engineer. A teenager shipping real products, from AI companions used by thousands to funded startups.

Free tools

56 utilities that run entirely in your browser — no uploads, no accounts, no ads.

PDF tools — Merge, split, compress, convert and organise PDFs without uploading a thing.
Developer tools — Formatters, encoders, hashers and inspectors — the daily-driver dev bench.
Text & Writing tools — Count, clean, convert and compose text with instant, precise feedback.
Calculators tools — Money, dates, units and health — answers with the working shown.
Generators tools — Passwords, QR codes, IDs and palettes — generated locally, never logged.
Brain & Cognition tools — Measure reaction time, memory, attention and reasoning against real norms.
Time & Focus tools — Pomodoro, stopwatch, countdowns and time zones — accurate to the millisecond.

Pokémon Image Classifier — an open-source image classifier covering Gen 1 through Gen 9, trained from scratch and published on Hugging Face. Over 10,000 downloads.
Hana AI Companion — an AI companion bot on Discord, built solo with no funding and no ad spend, now in over 5,000 servers.
WithMai.com — a funded startup where I lead product, development and strategy, scaling to 500+ daily signups organically.

CalFit — Snap & Track: photograph any meal and get its calories and macros back in seconds. View on the App Store.