JSON Formatter & Minifier

Drop in JSON to prettify or compact it instantly with inline validation and copy-ready results.

Drop a JSON file here or

Updates run as you type for instant feedback.

Tips for clean JSON

Keys must be enclosed with double quotes ("key").
Use commas between values but never after the final item.
Numbers cannot include trailing commas or leading zeroes unless the value is 0.

What is JSON Formatter?

JSON Formatter is a free developer assistant from WizardOfAZ. Use it to format JSON data for clarity as part of your debugging and prototyping, without installing extra software.

Because everything happens locally in your browser, your code and credentials stay under your control while you format JSON data for clarity.

Popular ways to use JSON Formatter

Streamline debugging and prototyping by using JSON Formatter to format JSON data for clarity.
Share deliverables faster—processed developer payloads are ready for download in seconds.
Combine JSON Formatter with other WizardOfAZ tools to keep complex workflows in one browser tab.

Examples and workflow tips

Upload a sample file, cast the spell to format JSON data for clarity, and download the processed result instantly.
Bookmark the JSON Formatter in your browser so recurring tasks stay only one click away.
Share the spell with teammates who need a quick, no-install way to format JSON data for clarity.

Frequently asked questions

Is the JSON Formatter secure?

Yes. The JSON Formatter runs entirely in your browser, which means your code and credentials never leave your device.

What can I do with the JSON Formatter?

You can debugging and prototyping by processing developer payloads without uploading them to an external service.

Can I use JSON Formatter on mobile?

Yes. WizardOfAZ tools are responsive, so you can launch the spell on desktops, tablets, or phones without installing extra apps.

Related tools to explore

Expand your toolkit with other WizardOfAZ spells that complement JSON Formatter:

Base64 Tool — Use it to work with developer payloads using flexible options.
Batch Minifier — Use it to work with developer payloads using flexible options.
CSS Minifier — Use it to work with CSS snippets using flexible options.