Step-by-step walkthroughs you can follow along in the browser, with CapyToolkit tools on hand to verify each result.
IndexNow pings every URL, then launch week goes silent. Here are six distribution channels solo founders skip, with weekend time budgets for each.
How wide-gamut displays create colors sRGB cannot represent, how browsers handle the mismatch, and how to verify colors stay in gamut before production.
Marketing specs obscure the real runtime. Use Ohm's Law and free browser math tools to verify power station capacity before you buy.
Diagnose home network quality for video calls and gaming with NAT type detection, jitter measurement, and packet loss tracking in your browser.
A frozen video call usually means something on the P2P path is misconfigured, not the app itself. Learn to diagnose your network and find the real cause.
Learn to build a complete, contrast-safe color system in the browser with OKLCH and WCAG 2.1, from base color to CSS and Tailwind v4 tokens.
Predict letterbox and pillarbox bar sizes before export, choose the right delivery ratio per platform, and verify dimensions with a client-side calculator.
Build linear, radial, and conic CSS gradients in your browser. Learn color stop control, OKLCH interpolation, angle coordinates, and multi-format output.
Use browser tools to plan subnets, test P2P latency, and inspect URLs for tracking tokens. No uploads, no cloud, no sign-up.
Master Ohm's Law and Watt's Law so you can solve any circuit equation by hand and know when to reach for a calculator.
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