LunoX HubletThe short answer first, technical detail after — no vendor bias.
Every comparison here opens with a direct verdict (which one, and when) before the reasoning — so you can read one sentence and decide, or keep reading if you need the deeper explanation.
Use JPG for photos where file size matters; use PNG when you need transparency or crisp text and sharp edges.
Barcodes hold only a few dozen characters and need a dedicated scanner; QR codes hold far more data and scan with any phone camera.
Pick Excel for large files, complex formulas, and offline work; pick Google Sheets when multiple people need to edit in real time.
Solar age counts from a fixed birth date each year; lunar age adds 1-2 years since it counts from conception and follows the lunar calendar, not the actual birthday.