The "Cross-Device" Problem Have you ever been building a web application—maybe a registration form or an admin panel—and hit this specific roadblock? The user needs to upload a photo, scan a document, or sign a canvas using their phone, but they a...

If you are building a React, Next.js, or Node.js application for the Iranian market, you have definitely faced this challenge: Validating local data structures. Things like National Code Code Melli, Bank Cards, IBAN Sheba, and Postal Codes follow co...