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Step-by-step articles, tested workflows, and reference guides that support the tools published on JW Tool Box.
If you only need the answer, use this favicon size set for most modern sites: 16x16 and 32x32 inside favicon.ico, a 32x32 PNG for crisp browser tabs, a 180x180 Apple Touch Icon, a 192x192 PWA icon, and a 512x512 PWA icon. In the early web, a single favicon.ico file was enough. Today that is only the fallback layer. Modern sites usually need a small browser-tab icon, a few PNG assets for higher…
Need a quick calculation without hunting for the calculator app or opening a spreadsheet? Use the Free Online Calculator in your browser. It processes calculations locally and does not upload the numbers you enter to JW Tool Box; the site separately collects usage information as described in the Privacy Policy. The calculator built into your operating system is often too cramped, while a full…
Need a countdown that starts in seconds, without installing an app or creating an account? Use the Online Countdown Timer — it runs right in your browser, shows a large progress ring, and works offline. Most people open the timer on their phone and discover the screen turns off, the alarm is buried, or they waste time finding the right mode. A browser countdown fixes all of that: open it, choo…
For $1,500.75, write One Thousand Five Hundred and 75/100 Dollars on a US check's amount line. Write 1,500.75 in the numeric box. The two fields should represent exactly the same amount. Generate your own written amount, or follow the handwriting steps below. This guide focuses on the amount line; the six-field walkthrough covers the rest of the check. Write the Amount Line in Four Steps 1. Sp…
If you searched for "minimal valid favicon.ico hex bytes" or "smallest favicon.ico file", you're in the right place. This post gives you copy-paste answers, not theory. Quick answer: A minimal valid favicon.ico needs an ICO header (6 bytes), one image directory entry (16 bytes), and a valid BMP or PNG payload. The absolute smallest working file is around 70 bytes for a 1×1 pixel ICO. Why You'r…