About JSON Utils
JSON Utils is a comprehensive, free online tool designed to help developers, data analysts, and anyone working with JSON data to format, validate, convert, and fix their JSON files quickly and efficiently.
Key Features
Pretty Print & Minify
Format your JSON for readability or minify it to reduce file size. Perfect for debugging and optimization.
JSON Validation
Instantly validate your JSON syntax and identify errors with detailed error messages and line numbers.
JSON Filter & Query
Filter and extract specific data from JSON using powerful JSONPath expressions. Interactive query tool with syntax guide.
Format Conversion
Convert JSON to YAML, XML, or other formats. Also stringify and parse JSON strings effortlessly.
JSON Repair
Automatically fix common JSON syntax errors like missing quotes, trailing commas, and malformed structures.
Schema Detector
Automatically detect and generate schemas from JSON data. Supports both simple TypeScript-like format and standard JSON Schema.
Advanced Querying
Use JSONPath expressions to search, filter, and extract nested data with complex conditions and array operations.
Privacy & Security
Client-Side Processing
All JSON processing happens directly in your browser. Your data never leaves your device, ensuring complete privacy and security.
Fast & Offline
No server requests means lightning-fast processing and the ability to work offline once the page is loaded.
No Data Storage
We don't store, log, or transmit any of your JSON data. What you process stays with you.
Who Can Use JSON Utils?
- Developers: Debug API responses, format configuration files, validate JSON schemas, and filter data with JSONPath queries
- Data Analysts: Extract specific data points from complex JSON structures, clean and convert data formats for analysis and reporting
- System Administrators: Manage configuration files, troubleshoot JSON-based configs, and query log files with JSONPath expressions
- Students & Educators: Learn JSON syntax, practice data manipulation, and understand JSONPath query language
- API Testers: Validate and format API request/response payloads, extract test data using advanced filtering
- DevOps Engineers: Process configuration files, extract deployment data, and automate JSON data transformations