JSON Formatter & Validator

Paste your JSON on the left and click Format & Validate. We'll pretty-print it on the right and show any errors.

Input JSON

Your JSON is processed in your browser. No data is sent to any server.

Convert plain text to Base64 and decode Base64 back to text.

Format SQL queries to improve readability for SELECT, JOIN and more.

Convert CSV with headers to JSON and JSON arrays back to CSV.