Free Online JSON Formatter & Validator - Format, Minify, Escape, Unescape JSON
Professional online JSON formatter with 6 powerful tools: beautify/format, minify/compact, validate, escape special characters, unescape, and convert JSON to 20+ programming languages. All processing happens locally in your browser – zero data upload. Ideal for developers, API testing, and data debugging.
JSON Format/Beautify
Format and beautify messy JSON with customizable indentation. Supports tabs and 2/3/4 space indentation. One-click copy, print, or save your formatted JSON output.
Tab Indentation
2 Spaces Indentation
3 Spaces Indentation
4 Spaces Indentation
One-click Copy Formatted Content
Print Formatted Content
Save Formatted Content as JSON File
JSON Minifier / Compactor
Remove all whitespace and line breaks from your JSON to create a compact, network-friendly string. Perfect for API payloads, URL parameters, and storage optimization.
One-click Copy Content without Whitespace (Tab Indentation)
Print Content without Whitespace (Tab Indentation)
Save Content without Whitespace (Tab Indentation) as JSON File
JSON Validator (Validate JSON Content)
Quickly validate your JSON syntax and pinpoint error locations. Get instant feedback with error line numbers and visual markers for quick debugging.
Escape JSON - Protect Special Characters
Automatically escape special characters in JSON strings including double quotes, backslashes, newlines, tabs, and carriage returns. Essential for embedding JSON in source code, SQL queries, and configuration files.
Embed JSON in JavaScript/Python source code
Store JSON in database fields without syntax errors
Prepare JSON strings for API request bodies and configuration files
Unescape JSON - Restore Readable Format
Reverse the escaping process: convert escaped JSON strings back to human-readable format. Restore
to newlines, " to quotes, and \ to backslashes for clean data inspection.
Read log files and debug output containing escaped JSON
Parse escaped JSON responses from APIs and webhooks
Clean up configuration data imported from external sources
Data to Class (Transforming JSON data to Class Object)
Supported JSON Conversion Types:
Json to XML
Json to XSD (XML Schema)
Json to DTD (Document Type Definition)
Json to Java
Json to Python
Json to Objective-C
Json to Swift
Json to C#
Json to Go
Json to Rust
Json to Crystal
Json to C++
Json to TypeScript
Json to JavaScript Proptypes
Json to Flow
Json to Kotlin
Json to Elm
Json to Ruby
Json to Dart
Json to Pike
Json to Haskell
One-click Copy Converted Class Content
Print Converted Class Content
Save Converted Object as Corresponding Class File
6. Other Features
Supports 20+ programming language conversions including Java, Python, C#, TypeScript, Go, Rust, and more. All features work offline with client-side processing. Free to use with unlimited conversions.