Online JSON Formatter (OJF)
Trusted online toolkit built by experienced developers to format, validate, and convert JSON, XML and Parquet. Secure, browser-based processing ensures your data never leaves your device.
Professional JSON Tools
JSON Editor
Tree View
JSON Compare
JSON Formatter
JSON Minify
Auto-Fix JSON
JSON Conversion Tools
JSON to CSV
Easily convert your JSON data into a spreadsheet-friendly CSV format. Perfect for data analysis, importing into Excel, or working with databases.
JSON to XML
Transform JSON objects into structured XML format. Useful for applications, APIs, and systems that rely on XML for data exchange.
JSON to YAML
Convert JSON into human-readable YAML format. Ideal for configuration files, DevOps workflows, and developers who prefer YAML syntax.
All Converters
Explore our complete collection of conversion tools. From JSON to different formats and back, find everything you need in one place
About Online JSON Formatt
OnlineJSONFormatt.org is a complete online toolkit for developers and data professionals working with structured data. The platform offers fast, browser-based tools to format, validate, edit, compare, and convert multiple file types including JSON, XML, Parquet and YAML all without installing software.
Whether you're debugging API responses, cleaning unstructured data, or analysing large files, OnlineJSONFormatt offers purpose-built tools for every data format. Developers can quickly Format JSON, Fix invalid JSON, edit data using the JSON editor, validate schemas, Compare JSON files, and explore complex structures through an interactive JSON Tree View. These features help accurately identify errors, understand deeply nested data, and ensure data integrity during development and debugging.The platform also provides fast, reliable, and standards-compliant data conversions, including JSON to XML, JSON to CSV, JSON to POJO, JSON to Dart, and JSON to YAML enabling teams to seamlessly move data between APIs, databases, and applications.For XML workflows, OnlineJSONFormatt supports professional-grade XML formatting, validation, minification, along with accurate XML comparison, and conversion tools ensuring clean, readable, and reliable XML across enterprise and developer use cases
Each tool is optimized for speed, privacy, and accuracy. All processing happens in your browser, ensuring your files remain secure on your device. The platform works seamlessly across Chrome, Firefox, Safari, and Edge on Windows, macOS, and Linux.
How to Use the Tool
- Type or paste your data into the editor JSON, XML, or upload a Parquet file to explore.
- You can also upload a file from your system or provide a URL to fetch data automatically.
- Choose the action you need: Format, Validate, Compare, Convert, or Explore (depending on the file type).
- The results will appear in seconds.
- The processed output will appear instantly in the right panel.
- Download, copy, or continue editing your formatted, converted, or analyzed data with ease.
Features of Our Online Data Tools
Format and preview JSON, XML, or Parquet data in real time as you type or paste. Changes appear instantly, helping developers quickly validate structure and readability.
Access JSON Formatter, Minifier, Validator, XML Formatter, XML to JSON, CSV converters, and Apache Parquet file viewer from a single unified platform.
All tools follow official specifications such as RFC 8259 for JSON, W3C XML standards, and Apache Parquet open-source documentation for accurate results.
Your data is processed entirely in your browser. No files or content are uploaded or stored on servers, ensuring privacy and compliance with secure practices.
Automatically detects syntax errors, invalid keys, and formatting issues. Helpful messages guide you to fix problems based on standard validation rules.
Open and analyze Apache Parquet files directly in the browser. View schema, columns, and data without installing Spark, Python, or other dependencies.
Paste raw data, upload files, or load content from a URL. Works consistently across JSON, XML, and Parquet tools for faster workflows.
Lightweight and fast tools designed for everyday developer use. Handles large files efficiently without slowing or crashing down your browser.
Works seamlessly on Windows, macOS, Linux, Android, and iOS using modern browsers. No configuration or environment setup required.
Use all tools instantly without creating an account. You can also install it as a Progressive Web App (PWA) for a smooth, app-like experience