package.json Tool
Online package.json tool for validation, formatting, analysis, and template generation in Node project setup and dependency troubleshooting.
Mode
Input package.json
Validation Result
Please input package.json content
package.json Analysis
Dependencies
0
Dev Dependencies
0
Scripts
0
Peer Dependencies
0
Optional Dependencies
0
Project Info
Name
Version
License
Scripts
Generate package.json
Framework / Template
Please input package.json content
Common Fields
namePackage name
versionVersion
descriptionDescription
mainEntry file
scriptsnpm scripts
dependenciesProduction deps
devDependenciesDevelopment deps
keywordsKeywords
Guide
The package.json tool provides validation, formatting, analysis, and template generation so teams can manage Node project configuration faster during setup and maintenance.
Core Features
- Validate package.json in real time and locate syntax errors quickly.
- Format and sort fields to keep configuration readable and consistent.
- Analyze dependencies and scripts to understand project structure.
- Generate templates for Node, Vue, React, TypeScript, Next, and Nuxt.
How To Use
- Paste package.json in validate or format mode.
- Switch to analyze mode to review deps, scripts, and project info.
- Switch to generate mode, fill basics, and choose a template.
- Copy or download output for project bootstrapping and migration.
Use Cases
- Generate a baseline package.json for new projects
- Standardize formatting before code reviews
- Troubleshoot script and dependency configuration
- Reuse templates for team-wide consistency
FAQ
- Field order changes after formatting are expected and improve readability.
- Analysis mode only reads data and never edits your input.
- Template output is a starter and can be extended after generation.
- All processing runs locally in your browser with no upload.
Privacy
This tool does not upload your package.json content. Validation and generation run locally in the browser.