JSON Formatter
Format, validate, and minify JSON data. All processing happens locally in your browser — your data never leaves your computer.
Input
Drag & drop a file here
or click to browse • .json, .txt
Options
Indentation
Options
Output
Statistics
Input: 0 bytes | Output: 0 bytes
Input: 0 bytes | Output: 0 bytes
How to Use
1
Paste or Upload
Paste JSON data or drag a .json file into the input area.
2
Choose Action
Click Format to beautify, Minify to compress, or Validate to check syntax.
3
Copy Result
Copy the formatted output to clipboard or download as a .json file.
Use Cases
API Debugging
Pretty-print API responses for easier reading.
Pretty-print API responses for easier reading.
Config Files
Format package.json and config files neatly.
Format package.json and config files neatly.
Minification
Compress JSON for smaller payloads in production.
Compress JSON for smaller payloads in production.
Validation
Quickly find syntax errors in JSON data.
Quickly find syntax errors in JSON data.
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