Are NanoTools completely free to use?

Yes, all basic tools on NanoTools are completely free to use with no registration required. We offer premium features for power users.

Is my data secure when using NanoTools?

Your files are processed securely and are automatically deleted after processing. We do not store your files or data on our servers.

No installation required. All tools work directly in your browser on any device - computer, tablet, or smartphone.

We support a wide range of formats including PDF, JPG, PNG, WebP, GIF, JSON, XML, CSV, and many more depending on the tool.

Beautify JSON online for free. Format JSON with proper indentation. Syntax highlighting included.

Format JSON to be human-readable

Indent Size: 2 spaces

1

Enter minified or compact JSON

2

Choose spacing (2, 4, 6, or 8)

3

Get formatted, readable JSON

4

Use in development or documentation

Adding proper indentation, line breaks, and spacing to make JSON human-readable without changing data.

Yes, it validates syntax and shows errors if JSON is malformed.

2 spaces is common for web, 4 spaces for general programming. Choose based on your team's style guide.

No, beautification only affects formatting (whitespace). Data structure and values remain identical.