📰Blog
Guides and explainers on calculators, finance, health and more.
July 13, 2026
Why Two PDFs With Similar Content Can Have Wildly Different File Sizes
Page count barely affects PDF file size. Here's what actually does, and why compression results vary so much.
July 6, 2026
Why JSON Formatting Matters More Than It Seems
Two JSON files can hold identical data and look nothing alike. Here's why formatting isn't just cosmetic.
June 29, 2026
Why Unit Conversions Sometimes Look 'Off' by a Tiny Amount
1 mile converts to 1.609344 km, not a clean 1.6. Here's why unit conversion often produces long decimals, and why that's expected.
June 22, 2026
What Actually Makes a Password Strong (It's Not Just Length)
Password strength gets reduced to 'use 12+ characters' a lot. Here's what's actually happening under that advice.
June 15, 2026
GST: Adding vs Removing Tax From a Price, Explained
Adding GST to a price and removing GST from a price use two different formulas, not just one in reverse. Here's why.
June 8, 2026
BMI vs BMR: What's the Difference and Why It Matters
Two acronyms, two very different numbers. Here's how BMI and BMR relate, and when each one is actually useful.
June 1, 2026
How EMI Is Calculated (And Why Your Monthly Payment Looks the Way It Does)
EMI feels like a black box until you see the formula. Here's what's actually happening behind that monthly number.