From the Toolbly Blog

Go beyond the basics of JSON. This guide explores the nuances of JSON syntax, data types, parsing strategies, and best practices for using it effectively in modern web APIs and applications, ensuring your data is both lightweight and robust.

Base64 is everywhere, from data URIs in CSS to email attachments. This article explains what Base64 is, why it's not encryption, how it works under the hood by converting binary data into a 64-character subset of ASCII, and when you should (and shouldn't) use it.

PDFs are universal, but managing them can be a pain. This guide dives into the practical techniques for manipulating PDF files. Learn how to split large documents into manageable chapters, merge multiple reports into a single file, and compress PDFs for easy sharing—all using client-side tools that protect your privacy.

For years, developers have built modals and dialogs with complex JavaScript and CSS. But what if the browser could do it for you? The native HTML <dialog> element is here, and it's simpler, more accessible, and more performant than you think. Learn how to use it.

Choosing the right CSS unit is crucial for building scalable, responsive, and accessible websites. This guide breaks down the difference between absolute units (like px) and relative units (like em, rem, vw, vh), explaining the ideal use case for each one.

The tiny icon in your browser tab is more important than you think. This guide covers everything you need to know about creating and implementing favicons in 2025, from the classic ICO file to modern PNGs, SVG, and the essential `apple-touch-icon`.

Ever seen a "404 Not Found" or a "500 Internal Server Error"? These numbers are HTTP status codes, and they are the web's way of communicating. This guide breaks down what the different ranges (1xx, 2xx, 3xx, 4xx, 5xx) mean and explains the most important codes you'll encounter.