Format, validate, and minify nested JSON or XML data strings instantly. Clean your code syntax with clear syntax highlighting and real-time error detection. 100% free, running securely in your browser with no sign-up and no installation required.
Keys, strings, numbers, booleans and null values in distinct colors.
Instantly pinpoints the exact line and position of any syntax error.
All processing happens in your browser. No data is ever sent to a server.
Paste raw JSON or XML into the input panel. Switch between JSON and XML mode using the toggle.
Hit the Format button to instantly beautify and validate your data with full syntax highlighting.
Copy the formatted output with one click, or use Minify to produce the most compact version.
When working with backend APIs, database responses, or application configuration scripts, reading minified data strings can be an exhausting challenge. Our free online JSON formatter reformats complex code blocks into structured layouts instantly. The platform applies custom syntax coloration and tab spacing rules dynamically, allowing you to trace deep data hierarchies, parameters, and nested object keys with total visual comfort.
A single missing quotation mark, an unclosed bracket, or a trailing comma can halt an entire software deployment array. ToolTiny includes an automated JSON syntax checker and XML validator that evaluates your input text structures in real-time. If the code breaks native specification rules, the application displays a clear error warning alongside the exact location line description, speeding up your configuration debugging phases completely.
We honor the strict privacy requirements of your proprietary server logs, corporate database keys, and configuration code arrays. This data utility does not upload text payloads across the cloud network; it executes 100% on the client side within your computer browser sandbox memory cache. Work with complete peace of mind knowing your secret variables never leave your device. Enjoy unlimited developer utilities for free with no account signup profiles to generate and no application tools to install.
ToolTiny works as a fast JSON beautifier online that turns compact or minified JSON into clean, readable, properly indented data.
You can use it to pretty print JSON, inspect nested objects, review arrays, and understand complex API responses without installing any developer software.
This JSON prettifier is useful for backend developers, frontend engineers, QA testers, and anyone working with structured data.
A small JSON syntax error can break an API request, application config, or deployment file. This JSON validator checks your input instantly and helps identify invalid JSON syntax.
Use ToolTiny to validate JSON online, detect missing commas, broken quotes, invalid brackets, and malformed nested structures before using the data in production.
Because validation happens directly in your browser, sensitive API responses and private configuration files never need to be uploaded to a server.
ToolTiny also works as an XML formatter, XML beautifier, and XML validator for developers working with structured markup data.
You can paste raw XML and instantly format nested elements, attributes, text nodes, comments, and CDATA sections into a more readable layout.
This is useful for checking XML feeds, sitemap files, SOAP responses, configuration files, and exported application data.
Besides formatting, ToolTiny can also work as a JSON minifier and XML minifier to remove unnecessary spaces, line breaks, and indentation.
Minified JSON and XML are useful for APIs, production configuration files, embedded scripts, and reducing data payload size.
With one click, you can switch between readable formatted output and compact minified data without installing developer software.
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