Blog
Practical writing on document workflows, GST, tax, and Indian developer productivity.
A step-by-step guide to reducing photo size for SSC CGL, UPSC, and other Indian government form uploads — without visible quality loss.
Every GSTIN has 15 characters and one hidden check digit. Here's how to validate GSTINs quickly — and what a mismatch actually means for your invoices.
Not all PDFs compress the same way. Text-heavy PDFs are already tiny. Scanned PDFs balloon in size. Here's how compression really works.
Stop spelling out your WiFi password letter by letter. A WiFi QR code lets a phone camera join the network in one scan — here's exactly how to make one, and where to put it.
A QR code that saves your contact details in one scan isn't just a business-card replacement. Stuck on a windshield or a phone case, it turns into an emergency contact system that works even when your phone doesn't.