Interactive JSON Viewer & Validator
Format, validate, parse, and analyze JSON objects in a beautiful interactive tree structure. Fully offline-safe client-side utility.
JSON Viewer & Formatter: Parse and Beautify JSON Data
JSON is the most widely used format for data exchange in web development. When working with APIs, you often receive raw, minified JSON data which is hard to read. Our Free Online JSON Viewer & Formatter transforms messy JSON code into a clean, readable format. This tool follows strict client-side processing rules to keep your API data secure.
Why Use the JSON Formatter Tool?
Responses from backend APIs often arrive minified. Finding errors can become a headache. Our JSON Viewer presents data with proper indentation, syntax highlighting, and a collapsible tree structure. You can expand/collapse large JSON objects.
Key Features of the JSON Viewer
- Instant Beautify & Formatting: Convert messy JSON into a well-structured format with a single click.
- 100% Privacy and Security: JSON may contain sensitive data. The tool works entirely in-browser.
- Error Detection: If there is a syntax error, the tool instantly highlights the error.
- Tree View & Syntax Highlighting: Displays keys, strings, and numbers in different colors.
How to Use This JSON Tool?
Copy the raw JSON data and paste it into the input editor. The tool will automatically parse the data. You will get a formatted result if it is valid. You can copy the result or compress it using the 'Minify' button.
Frequently Asked Questions (FAQs)
1. Is the API Data Sent to the Server?
Absolutely not! It is 100% based on client-side JavaScript.
2. What is JSON Minification?
Removing extra spaces and line breaks to reduce the file size.
3. Can It Fix Invalid JSON?
It doesn't apply automatic fixes, but it acts as a validator by showing the error message and line number.
4. Can I Paste Large JSON Files?
Yes, it can handle quite large files using your browser's memory.