JSON Format Converter — Jetsung Chan

A powerful Chrome extension and standalone web application for converting between JSON, JSONC (JSON with Comments), and JSON5 formats with advanced editing features and comment preservation.

FEATURES

ADVANCED EDITOR
• Syntax highlighting with JSON support
• Line numbers for easy navigation and debugging
• Smart bracket matching and auto-closing
• Instant error detection and highlighting

SMART FORMAT CONVERSION
• JSON ↔ JSONC ↔ JSON5 bidirectional conversion
• Preserve comments when converting between JSONC and JSON5
• Same-format processing preserves all comments and formatting
• Automatic property name quoting/unquoting
• Real-time conversion as you type

PROCESSING TOOLS
• Format and prettify JSON data
• Compress/minify by removing unnecessary whitespace
• Escape/unescape JSON strings for embedding
• Convert numbers ↔ strings

ADVANCED SORTING
• Sort object keys alphabetically (A-Z or Z-A)
• Deep sorting for nested objects
• Preserve or reorganize data structure

FILE OPERATIONS
• Copy to clipboard with one click
• Download converted files
• Support for multiple file formats

CUSTOMIZABLE OPTIONS
• Adjustable indentation (2 spaces, 4 spaces, or tabs)
• Multiple sorting options
• Real-time preview of changes

Bug Reports: https://github.com/idev-sig/json-format-converter/issues