JSON validator & beautifier
Use our fast and reliable JSON Validator & Beautifier to instantly validate and format any JSON data. This tool checks your JSON for syntax errors, highlights invalid structures, and converts messy or minified JSON into clean, readable, and properly indented output.
Validating JSON is essential for debugging APIs, fixing broken responses, configuring applications, and ensuring the data structure meets strict formatting standards. Beautifying JSON also improves readability, making it easier to edit, analyze, and share across development teams.
Ideal for developers, API testers, data engineers, students, and anyone working with structured data, this JSON validator provides instant results with no setup or login required. Simply paste your JSON to get a validated and beautifully formatted output ready for use in code, documentation, or application workflows.
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