Category: Guide

Tutorials, deep-dives, and privacy-first thinking about developer tools.

Showing 13–15 of 15 posts

guide May 30, 2026 · 10 min

Epoch Time Cheat Sheet: Seconds, Millis, Micros, Nanos (2026)

Unix timestamps come in seconds, milliseconds, microseconds, and nanoseconds. This 2026 cheat sheet shows how to tell them apart and convert safely.

guide May 5, 2026 · 9 min

Resize Image for Instagram, X & LinkedIn: 2026 Cheatsheet

The exact image dimensions for every Instagram, X, and LinkedIn placement in 2026 — feed, story, header, banner, profile — plus a one-click resize workflow.

guide Apr 28, 2026 · 9 min

Why I Built iKit: 14 Privacy-First Tools That Stay in Your Browser (2026)

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.

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