JSON Beautifier & Prettifier
Beautify messy and unformatted JSON online. Prettify compacted single-line JSON with 2-space or 4-space indentation and syntax highlighting in your browser.
How to Use JSON Beautifier Online
Follow these quick steps to process your data online directly in your browser with zero latency and 100% privacy.
Example Input & Output
Transforms compact or unindented JSON into an aesthetically organized, readable layout with customizable tab/space indentation and sorted object keys.
{"app":"DataFormatTools","version":"1.0","meta":{"author":"Alex","license":"MIT","tags":["developer","utilities"]}}{
"app": "DataFormatTools",
"meta": {
"author": "Alex",
"license": "MIT",
"tags": [
"developer",
"utilities"
]
},
"version": "1.0"
}Common Use Cases
Code Review & Documentation
Prepare clean JSON payloads for pull requests, technical documentation, and blog tutorials.
API Output Inspection
Convert one-line API logs into clean structures for instant human scanning.
Specifications & Gotchas
Unbalanced Delimiters
Ensure all opening braces and brackets ({, [) have matching closing pairs (}, ]).
Frequently Asked Questions
What is the difference between beautifying and formatting JSON?
Both produce human-readable JSON; our beautifier focuses on visual code aesthetics, key ordering, and indent customization.
Can I copy or download beautified JSON?
Yes, you can copy the output to your clipboard with one click or download it as a .json file.
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