About This Tool
JSON Formatter & Validator - Free Online is a free online developer tool that runs entirely in your browser. No signup required, no data uploaded to servers—complete privacy and security for your content.
Perfect for developers, content editors, technical writers, and anyone who needs to format, minify, and validate json data with customizable indentation and syntax highlighting. free online json formatter. detect errors and make json readable instantly.. All processing happens locally in your browser, ensuring your data never leaves your device.