FREE ONLINE TOOL
JSON Formatter
Format and validate JSON in your browser.
🔒 Designed to process your content in your browser whenever possible.
How to use JSON Formatter
Use the controls above, then download or copy your result. This tool is designed to run in your browser. Your input is not intentionally uploaded to our server by this tool.
Please note: third-party libraries may load from a content delivery network. Do not use this site for highly sensitive files unless you have reviewed the page and your browser/network setup.