JSON Formatter
Pretty-print and structure your JSON data with custom indentation levels.
Indentation
Input JSON
Characters: 83Size: 0.08 KB
Formatted JSON
JSON Formatter & Beautifier Online
Working with minified or messy JSON data? Our free online JSON Formatter and Beautifier allows you to instantly parse, validate, and pretty-print your JSON documents. Whether you're debugging an API response, writing configuration files, or simply need a reliable JSON parser, this tool makes your data readable in milliseconds.
100% Local Processing: To protect your sensitive data, our JSON beautifier runs entirely within your browser. We never upload your JSON to our servers.
Core Features
- Smart Indentation & MinificationFormat JSON with customizable rules (2 spaces, 4 spaces, or tabs). Use our "Minify" option to instantly compress your JSON by stripping all unnecessary whitespace.
- Syntax HighlightingOur JSON syntax highlighter color-codes keys, strings, numbers, and booleans, drastically reducing eye strain when analyzing massive data payloads.
- Real-time Error DetectionOur strict JSON parser catches syntax errors instantly, preventing broken configurations from reaching your production environment.
Example
Input (Minified JSON)
{"status":"success","data":{"users":[{"id":1,"name":"Alice","active":true},{"id":2,"name":"Bob","active":false}],"total":2}}
Formatted Output (2 spaces)
{
"status": "success",
"data": {
"users": [
{
"id": 1,
"name": "Alice",
"active": true
},
{
"id": 2,
"name": "Bob",
"active": false
}
],
"total": 2
}
}Related Tools
JSON MinifierCompress JSON data by removing all whitespace and line breaks.JSON ValidatorDeeply check JSON syntax and pinpoint exact error locations.JSON EditorA rich, interactive tree-based editor for modifying JSON documents.JSON ConverterInstantly convert JSON to CSV, YAML, or XML formats.JSONPath FinderQuery and extract specific nodes using JSONPath expressions.JSON Diff ToolCompare two JSON documents to spot differences instantly.JSON to TypeScriptGenerate TypeScript interfaces automatically from JSON payloads.
Categories
Quick Tips
- Need to reduce API response sizes? Use the Minify toggle to strip out whitespace.
- You can drag and drop `.json` files directly into the editor for instant parsing.
- Use the trash can icon to quickly clear your workspace before pasting new code.
Frequently Asked Questions
What is a JSON Formatter?
A JSON Formatter (or Beautifier) is a tool that takes unformatted, minified, or messy JSON data and reorganizes it with proper indentation, line breaks, and spacing. This makes it significantly easier for developers to read, debug, and understand the hierarchical structure of the data.
Is my JSON data kept private?
Yes, absolutely. Our JSON formatter processes all data locally within your browser using JavaScript. Your JSON payloads are never transmitted to our servers, stored in databases, or analyzed. It is completely safe to use for sensitive configuration files or API responses.
Why should I minify JSON?
Minifying JSON removes all unnecessary whitespace, such as spaces, tabs, and line breaks. This drastically reduces the file size of the JSON payload, leading to faster API response times and reduced bandwidth consumption.