Package.json Repair & Standardization

Diagnose and fix syntax errors in your Node.js configs. Includes standard field reordering and cleaning.

Ready: Enter JSON or JSON-like data on the left.

Input (JSON / JSON-like)Supports unquoted keys, single quotes, trailing commas, etc.

Formatted Result (Tree Structure)

Package.json Validator & Auto-Fixer - NPM Configs

Fix package.json errors instantly! Automatically detects and repairs missing quotes, trailing commas, and formatting issues. Reorder your dependencies alphabetically to keep your project config professional and tidy.

Common Use Cases

Backend Development

Format API response data and verify if JSON format is correct

JSON to Code

Frontend Development

Convert JSON data to TypeScript interface definitions to improve development efficiency

JSON to Code

Configuration File Management

Format configuration files such as package.json and tsconfig.json

Markdown Editor

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