JSON Formatter is a simple and lightweight tool to format, beautify, and validate your JSON data. Whether you're debugging APIs or cleaning up messy JSON files, this open-source utility helps you present data in a readable and structured format.
- ✅ Beautify and indent raw JSON
- ✅ Minify JSON
- ✅ Real-time validation with error highlighting
- ✅ Copy formatted/minified JSON to clipboard
- ✅ Dark/light mode (optional UI feature)
- ✅ 100% client-side (no data sent to any server)
Live preview coming soon...
Clone the repo:
git clone https://github.com/CodewMilan/NeatJSON.gitInstall dependencies (if applicable):
npm installRun locally:
npm run devOr just open the index.html in your browser if it's a pure HTML/CSS/JS project.
- HTML5
- CSS3 / Tailwind CSS (optional)
- JavaScript (Vanilla or with framework if used)
- Paste your JSON into the editor.
- Click
Formatto beautify orMinifyto compress. - Errors are automatically detected and displayed.
- Copy the output with a single click!
├── index.html
├── style.css
├── script.js
└── README.mdIf using a framework or bundler, list additional files as needed.
Contributions are welcome! Feel free to:
- Fork the repository
- Create a new branch
- Make your changes
- Submit a pull request
Before contributing, please read our CONTRIBUTING.md and CODE_OF_CONDUCT.md (if available).
This project is licensed under the MIT License.
Inspired by various online JSON formatting tools and the open-source community.