Frequently Asked Questions

JSON (JavaScript Object Notation) is a lightweight, text-based data interchange format. It's widely used for storing and transmitting data between a server and web application, configuration files, and APIs because it's human-readable and easy to parse.

Simply paste your JSON data into the left panel of our viewer. The tool will automatically parse and display it in a formatted tree view on the right. You can use the toolbar to customize the display options like collapsing nodes or showing data types.

Yes! Our JSON Viewer is completely free to use with no registration required. You can parse, format, and validate JSON files up to 30MB without any limitations.

No, your JSON data is processed entirely in your browser. We don't store or transmit your data to our servers unless you explicitly use the share feature to create a shareable link.

Common JSON syntax errors include: missing quotes around strings, trailing commas, unescaped characters, mismatched brackets, or using single quotes instead of double quotes. Our validator will show you exactly where the error occurs.

Our JSON Viewer supports files up to 30MB. For files larger than 5MB, we automatically use Web Worker technology to ensure smooth performance without freezing your browser.

Currently, our tool focuses on syntax validation. For JSON Schema validation, you can use our AI explanation feature which can help identify structure issues and suggest improvements.

Our JSON formatter automatically fixes indentation and spacing. For syntax errors, check for missing quotes, brackets, or commas. The error message will guide you to the exact location of the problem.

Our AI-powered explanation analyzes your JSON structure and provides intelligent insights about the data, potential use cases, and suggestions for improvement. It's powered by Cloudflare AI.

Click the share button to create a public, shareable link to your JSON data. This creates a permanent URL that others can access to view your JSON in our viewer. You can optionally add a title for easy identification.

Yes! You can toggle data type display, collapse/expand all nodes, change icon styles (circle, square, triangle), and switch between different view modes using the toolbar options.

Our test data generators create sample JSON files of various sizes (from 100 items to 25K items) to help you test performance, practice with different JSON structures, or generate mock data for development.

Large JSON files (>5MB) are automatically processed using Web Workers to prevent browser freezing. You'll see a loading indicator while the file is being parsed. Consider breaking very large files into smaller chunks if possible.

Our JSON Viewer works on all modern browsers including Chrome, Firefox, Safari, and Edge. We recommend using the latest browser versions for optimal performance, especially with large files.

The basic JSON parsing and viewing features work offline once the page is loaded. However, features like AI explanation and sharing require an internet connection.

You can report issues or suggest features through our GitHub repository or contact us directly. We appreciate community feedback and regularly update the tool based on user suggestions.

While we don't currently offer an API, our tool is open source. You can find the code on GitHub and integrate the JSON parsing components into your own applications.

Most programming languages have built-in JSON support: JavaScript (JSON.parse/stringify), Python (json module), Java (Jackson/Gson), C# (Newtonsoft.Json), PHP (json_encode/decode), etc. Check our blog for language-specific guides.

JSON is lighter than XML, more structured than CSV, and more human-readable than binary formats. It's the standard for web APIs due to its simplicity and native JavaScript support.

To optimize JSON: minimize nesting depth, use consistent naming conventions, avoid unnecessary whitespace in production, consider compression for large payloads, and validate structure to prevent parsing errors.