JSON Formatter & Validator

Validate, format, and minify JSON data instantly. Best online JSON viewer and validator for developers.

Input.json
JSONUTF-8Ready
Output.json
JSONReady

# Best Online JSON Formatter & Validator

JSON (JavaScript Object Notation) is the backbone of modern data interchange. However, raw JSON often arrives as a single, messy line of text that is impossible to read.

The MonkeyDev JSON Formatter is an essential tool for developers to:

  • Prettify: Instantly format and indent raw JSON to make it human-readable.
  • Validate: Detect syntax errors like missing quotes or trailing commas in real-time.
  • Minify: Compress JSON data to reduce file size for production environments.

Privacy Guarantee: All formatting happens locally in your browser. Your data is never sent to our servers.