Free Format Converter - JSON, YAML, Escaped String Converter Online

Format Converter
DetectedUnknown
OutputJSON
Size0 B
Convert to:
Error

Paste your data - format will be auto-detected.

Paste your data to convert
Input (Auto-detect)

Paste any format

Output

Converted json

Detected format? Unknown
Output formatJSON
Input bytes0
Output bytes0
Indentation2 spaces
ExecutionClient-side only
Smart Format Converter

Auto-Detect and Convert Between Formats

This intelligent format converter automatically detects whether you paste JSON, YAML, or escaped JSON strings. Simply paste your data and choose your desired output format. Perfect for developers working with APIs, configuration files, or data transformation workflows.

Multiple Format Support

JSON, YAML, and Escaped Strings

Convert seamlessly between JSON (formatted or minified), YAML, and escaped strings for code embedding. Auto-detection means you don't need to specify the input format - just paste and convert. Supports custom indentation, quote styles, and more.

Privacy-First Design

Your Data Never Leaves Your Browser

All format detection and conversion happens locally in your browser using native JavaScript. No server uploads, no data collection, no tracking. Safe for API responses, configuration data, or any sensitive information. 100% secure and private.