JSON Formatting and Validation

Paste your JSON string below, and we will automatically parse, beautify, or compress it for you. Syntax error highlighting is supported.

Input JSON
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How to Use the JSON Formatting Tool?

Nexus Tools provides the most convenient JSON processing experience. Just three steps:

  • Paste your JSON data into the <strong>input box</strong> on the left.
  • Click the <span class="text-neon-blue font-bold">Format</span> button at the top to beautify the code, or click the <span class="text-purple-400 font-bold">Minify</span> button to remove whitespace.
  • The parsing result will be displayed immediately on the right. If the JSON contains syntax errors, the system will automatically indicate the error location.

What is JSON?

JSON (JavaScript Object Notation) is a lightweight data interchange format. It is based on a subset of JavaScript, easy for humans to read and write, and also easy for machines to parse and generate. It is currently the most popular data transmission format in web development.

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