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{ }JSON
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Free Online Tool

JSON Viewer & Editor

View, edit, format and validate JSON data with a clean and interactive interface.

100% FreeNo RegistrationFast & EasySecure & Private
View:
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JSON1 line0 charactersLn 1, Col 1

How it works

View and edit JSON data in three simple steps

☁1
Upload or Paste JSON

Upload a JSON file or paste your JSON data.

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⚙2
View & Edit

View, edit, format, minify and validate your JSON.

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⬇3
Download

Download the formatted or minified JSON file.

Frequently Asked Questions

Find answers to common questions about our JSON Viewer & Editor.

Is this JSON Viewer & Editor free to use?

Yes, it is free and requires no registration.

What is the maximum file size?

The upload limit is 10 MB per JSON file.

What file formats are supported?

Upload .json files or paste valid JSON text.

Will my data be stored on the server?

No. JSON processing takes place locally in your browser.

Can I edit and download the JSON after making changes?

Yes. Edit the JSON and download the current content as a .json file.

Does it work on mobile devices?

Yes. The layout adapts to mobile screens.