Guides
Articles to help you understand the tools more deeply and choose the right one.
What Is Base64? How It Works, When to Use It, and Pitfalls
A friendly explanation of Base64: why it grows data by about 33%, what the trailing = means, how it differs from encryption, and the URL-safe variant.
How to Choose a QR Code Error-Correction Level (L/M/Q/H)
Understand the L, M, Q, and H error-correction levels and how to choose. Recommendations by use case: on-screen, print, outdoor signage, and logo overlays.
How to Create a Strong Password — Length, Character Sets, Entropy
Learn what makes a password hard to guess, starting from entropy (bits). Does length or character variety matter more? Plus the danger of reuse and tips for managing them.
JSON Format vs. Minify: The Difference and When to Use Each
Understand JSON pretty-printing vs. minifying: when to use each, whether the data changes, and the common causes of parse errors.