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Practical articles on HTML, CSS, JavaScript and PHP: building, debugging and shipping websites with less friction.

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Web Development Nov 3, 2026

JSON Formatter and Validator: How to Format and Validate JSON Online

JSON (JavaScript Object Notation) is one of the most widely used data formats in modern web development. Whether you are building REST APIs, integrating third-party services, configuring applications, or exchanging data between frontend and backend systems, JSON plays an important role in everyday development.

Web Performance Web Development APIs
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