Tutorials, deep-dives, and privacy-first thinking about developer tools.
Showing 1–5 of 5 posts
A practical regex cheatsheet for 2026: 25 ready-to-paste patterns for emails, URLs, dates, and log parsing, plus the syntax rules behind them.
Learn how to convert images to AVIF in the browser, when AVIF beats WebP on file size, and how to ship it safely with a WebP and JPG fallback in 2026.
Unix timestamps come in seconds, milliseconds, microseconds, and nanoseconds. This 2026 cheat sheet shows how to tell them apart and convert safely.
The exact image dimensions for every Instagram, X, and LinkedIn placement in 2026 — feed, story, header, banner, profile — plus a one-click resize workflow.
iKit is 14 free online tools — none of them upload your files. Here's the story of why I built it that way, and what it means in practice for the people using it.