JSON Formatter
Paste or upload your JSON data, then click “Format” to beautify it. The tool will automatically indent, highlight, and validate your JSON. Expand or collapse sections for easier navigation. No sign-up, works instantly in your browser.
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Our JSON Formatter tool makes messy or compact JSON data clean, structured, and easy to read. Simply paste or upload your JSON, and the formatter will automatically indent, apply syntax highlighting, and arrange data in a readable hierarchy. The built-in validator checks for syntax errors and highlights them, helping you debug quickly. You can collapse or expand objects and arrays to navigate large datasets effortlessly. Designed for developers, testers, data engineers, and API users, this tool works entirely online—no installation or sign-up required—so your data stays private. Whether you’re working on web development, API integrations, or data processing, our JSON Formatter saves time, reduces errors, and makes JSON editing far easier.