aicheng

aicheng

Building AI & geography projects

About

Interested in AI, geography, and satellite imagery. I enjoy turning real-world data into simple, playable tools. Currently building SatPixel — a game where you guess places from satellite images.

Badges

Tastemaker
Tastemaker
Gone streaking
Gone streaking
Gone streaking 5
Gone streaking 5

Maker History

  • CoordConv
    CoordConvConvert GPS coordinate format instantly all in your browser
    Mar 2026
  • CityDistance.io
    CityDistance.ioBeautifully simple distance calculator for any city
    Jan 2026
  • SatPixel
    SatPixelDaily satellite puzzles: Can you guess the city from space?
    Jan 2026
  • 🎉
    Joined Product HuntSeptember 27th, 2025

Forums

aicheng

2mo ago

CoordConv - Convert GPS coordinate format instantly all in your browser

CoordConv converts coordinates between DD, DMS, DDM, UTM, MGRS, Geohash and Plus Code — instantly, in your browser. No account. No uploads. No server processing. Your data never leaves your device. Built for GPS users, GIS professionals, surveyors, drone operators and anyone who works with map coordinates. Tools included: UTM ↔ Latitude/Longitude converter、DMS ↔ Decimal Degrees converter、Batch converter — bulk convert from CSV or pasted tables
aicheng

3mo ago

CityDistance.io - Beautifully simple distance calculator for any city

CityDistance.io makes geography simple. We built a lightweight tool to help you instantly calculate the precise distance between any two cities on Earth. 🌍 Unlike cluttered map apps, we focus on speed and clarity. Simply enter two locations to get: 📍 Precise Great Circle distance (km/miles) ✈️ Flight path visualization 🗺️ Clean, interactive maps Perfect for travel planning, logistics, or just satisfying your curiosity. Give it a try and let us know what you thin
aicheng

4mo ago

SatPixel - Daily satellite puzzles: Can you guess the city from space?

Discover Earth from a bird's-eye view with SatPixel. Experience our viral daily games: SatZoom (the ultimate city-guessing challenge) and SatPin (test your location precision). We’ve built a comprehensive hub for map lovers: SatQuiz: Master your geography skills. SatAtlas: Browse curated, breathtaking satellite imagery. SatMap: Visualize the planet like never before. Perfect for map nerds, explorers, and daily puzzle lovers. How well do you really know our planet?
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