Category
Web guides
Practical articles in this category.
Web
Base64 encoding explained (and why it is not encryption)
Learn what Base64 is for, why strings get longer, how padding works, and why Base64 passwords are a dangerous myth.
Web
Create QR codes for links that actually scan in the real world
Size, contrast, quiet zones, and short payloads matter more than decorative styling when people scan under bad lighting.
Web
Decode JWTs safely: inspect claims without leaking production secrets
Use JWT decoding for learning and staging debugging—never as an excuse to paste live privileged tokens or private keys into a webpage.
Web
Format and validate JSON before it breaks your API
Catch trailing commas, quote issues, and unreadable minified payloads with a calm JSON formatting workflow.
Web
Generate robots.txt and sitemaps that help crawlers (without fake SEO magic)
Use robots.txt for crawl hints and sitemaps for discovery—knowing neither guarantees rankings or replaces authentication.
Web
Minify HTML, CSS, and JS without breaking your page
Use minification as a delivery step, keep readable sources in git, and test—especially when compressing JavaScript by hand.
Web
Shorten URLs responsibly for posts, slides, and print
Use short links for clarity—not for hiding destinations or wrapping secret tokens that grant account access.