How Image Compression Actually Works: Lossy vs Lossless, WebP, and AVIF
From DCT transforms to chroma subsampling and quantization: how image compression really works and why WebP and AVIF outperform legacy formats.
Category: Engineering
7 posts in Engineering
Hashing vs Encryption: What Every Developer Should Understand
Hashing is one-way; encryption is reversible. Learn the critical difference, when to use each, and why password storage demands hashing, never encr…
Regular Expressions You Should Know (and How to Test Them Without Leaving Your Browser)
Master the most useful regex patterns for everyday development. Learn how browser-native regex testing protects your sensitive data and speeds up y…
JWTs Explained: What's Inside a JSON Web Token and How to Decode One Safely
Understand the three parts of a JWT (header, payload, signature) and learn how to decode them safely in your browser without leaking secrets.
GZIP Compression in the Browser: How It Works and Why You'd Want It
A deep dive into browser-based GZIP compression: the Deflate algorithm, the Compression Streams API, and when to compress on the client versus the …
Base64: What It Is and When to Use It
A practical guide to Base64 encoding: how it works, why it exists, and the most common scenarios where developers reach for it. Includes code examp…
URL Encoding Demystified: Why Spaces Become %20 and How to Handle It
A deep dive into URL encoding (percent-encoding): what it is, why it exists, how the encoding rules differ between query strings and path segments,…