JSON Editor is a free online tool for editing, formatting, validating, and converting JSON data. It features a VS Code-like editing experience with syntax highlighting, error detection, and AI-powered assistance.

Is JSON Editor free to use?

Yes, JSON Editor is completely free to use. No signup or registration required. All features including JSON formatting, validation, and conversion are available without any cost.

What formats can JSON Editor convert to?

JSON Editor can convert JSON to YAML, CSV, and TypeScript type definitions. It can also convert YAML and CSV back to JSON.

Is my data safe with JSON Editor?

Yes, your data is processed entirely in your browser. We do not store or transmit your JSON data to any server. Your privacy is our priority.

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The most powerful JSON editor online

Edit, View, Transform JSON

A VS Code-like JSON editor in your browser. Format, validate, convert, and transform JSON with powerful tools and AI assistance.

Start Editing View Features

512MB

Max file size

10+

Output formats

Powered assistance

Free

To use

Powerful features, built for developers, by developers...

Built with ease of use in mind, and with the vision to extend it to turn it into something even more useful, contribute with ideas and submit feedback, see what else we offer.

Query and transform JSON data

Easily query your JSON data and transform it based on your specific requirements. Use powerful tools to manipulate your JSON structures and view results in real-time.

Offline JSON Editor support

Access and use the JSON Editor offline to work on your JSON files without needing an internet connection. Perfect for on-the-go development.

Repair JSON files

Automatically detect and repair errors in your JSON data. The editor identifies common issues and suggests or applies fixes to maintain valid JSON structures.

JSON to CSV and CSV to JSON conversion

Seamlessly convert your JSON data into CSV format and vice versa. Use this feature to handle data conversions for use in spreadsheets and databases.

Online JSON editor and JSON viewer

View, edit, and format JSON data directly in your browser. Perfect for developers who need a reliable tool for quick modifications and visualizations.

Load, save, and share JSON online

Store and share your JSON files in the cloud. Enable easy collaboration by generating sharable links and keeping your data accessible across devices.

JSON formatter and beautifier

Automatically format and beautify your JSON data. Add proper indentation and white space to make your data more readable and easier to work with.

Compare JSON documents

Compare two JSON files side by side to identify differences. Highlight modifications, additions, or deletions between versions of your JSON data.

Sharable links

Create sharable links for your JSON objects, allowing others to view and collaborate on your data easily. All files are stored securely in the cloud.

AI integration

Integrate AI to generate, modify, and fix JSON objects on the fly. This feature provides advanced AI-powered tools to work with JSON data more intelligently.

Process large JSON files (up to 512 MB)

Handle large JSON files with ease, up to 512 MB. The editor is optimized for performance, allowing you to work with large data sets without lag.

Text mode, tree mode, and table mode

View and edit your JSON data in multiple formats: text mode for raw data, tree mode for structured visualization, and table mode for easy navigation.

JSON Schema validation

Validate your JSON files against a predefined schema. Ensure your data conforms to expected structures for easier integration with APIs and databases.

YAML and XML support

Work with multiple data formats including YAML and XML. Convert between formats seamlessly and edit with full syntax highlighting support.

Multi-tab workspace

Open multiple files in tabs, organize them into folders, and switch between them instantly. A familiar VS Code-like experience for managing your data files.