InstaCalcs

JSON Formatter & Validator

Paste your JSON data to instantly format, validate, and pretty-print it with syntax highlighting. Quickly spot errors with clear error messages and copy the formatted output with one click.

Formatted JSON will appear here...

How to Use

Paste your raw JSON into the input area on the left and click Format. Valid JSON will be pretty-printed with 2-space indentation in the output area. If your JSON contains syntax errors, a clear error message will appear showing what went wrong and where. Use the Copy button to copy the formatted result to your clipboard.

Features

Validation: Instantly detects JSON syntax errors

Pretty Print: Formats with consistent 2-space indentation

Minify: Compress JSON by removing whitespace

Copy: One-click copy to clipboard