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JSON Formatter

Format, minify, or sort JSON with customizable indentation. All processing happens locally in your browser.

Format JSON with 2 or 4 space indentation
Minify JSON to reduce file size
Sort JSON keys alphabetically
Tree View & Table View for easy browsing
JSONPath query support
Smart JSON repair for common errors
100% client-side processing for privacy
Related:JSON Schema ValidatorJSON DiffJSON ↔ YAML

Frequently Asked Questions

Does formatting change my data?
No, formatting only changes whitespace. Your data remains exactly the same, just easier to read.
What is JSON minification used for?
Minified JSON is smaller, making it faster to transfer over networks. It's commonly used in production environments and APIs.
Is my data sent to a server?
No, all processing happens locally in your browser using JavaScript. Your data never leaves your device.