JSON Beautifier
Paste your minified or messy JSON and get clean, properly indented output for easier reading, debugging, and development
TEXT JSON CODE
Beautify Minify
Tip: paste JSON on the left — output updates instantly.
Runs 100% Locally in Your Browser
This tool processes your data entirely on your device. Nothing is uploaded, stored, or sent to any server.
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Frequently Asked Questions
What is JSON beautification?
JSON beautification reformats compact or hand-written JSON into a human-readable structure with consistent indentation and line breaks.
How to format minified JSON for readability?
Paste the minified JSON into the input field and the tool instantly outputs a properly indented version.
What is the difference between JSON beautify and JSON minify?
Beautify expands JSON for readability; minify compresses it by removing whitespace to reduce file size.
Why does my JSON fail to parse or show an error?
Common causes are trailing commas, single quotes instead of double quotes, unquoted keys, or missing closing brackets.
What is valid JSON syntax?
Valid JSON uses double-quoted keys and string values, no trailing commas, and supports objects, arrays, strings, numbers, booleans, and null.
What format does the JSON Beautifier accept?
Any valid JSON string — objects, arrays, nested structures, and primitive values are all supported.
Where does the JSON formatting actually happen?
Entirely in your browser — no network request is ever made and your JSON stays on your device.