Welcome to urbi.tools — Free Browser Tools for Developers
Urbi Tools is a collection of free, privacy-first browser tools for developers and makers. No installs, no accounts, no tracking. Everything…
How to Format and Validate JSON Like a Pro
Learn how to format, validate, and debug JSON quickly. Covers common errors, best practices, and when to use minified vs. pretty-printed JSON.
Base64 Explained: When to Encode and When Not To
Understand what Base64 encoding is, how it works, when to use it, and when not to. Includes real examples for web development and APIs.
URL Encoding: Why %20 Is a Space and Other Essentials
Learn how URL encoding works, why special characters need percent-encoding, and how to encode correctly in JavaScript, Python, and more.