JSON Max is a fast, simple way to clean up messy JSON on your Mac. Paste or import JSON, instantly format it into a readable structure, validate it, and copy the result wherever you need it—perfect for developers, QA, students, and anyone working with APIs.
Key Features
Pretty print / minify: Convert JSON between readable and compact forms.
Validation with helpful errors: Quickly spot invalid JSON and fix issues.
Syntax highlighting + indentation: Easier scanning and debugging at a glance.
Copy & share: Copy formatted JSON or export/share to other apps.
Works great for logs and API responses: Make large payloads readable in seconds.
Privacy: Your JSON stays on your device. You don’t need an account, and we don’t sell your data.