In 2025, JavaScript developers finally have access to a long-awaited feature: native JSON module imports. With modern browser and Node.js support, you can now import .json files directly into your JavaScript code—without needing fetch(), bundlers, or extra libraries.
In this guide, we’ll show you how JSON imports work, when to use them, and how to combine them with tools like our own JSON Formatter & Viewer to debug and inspect structured data faster.
What Are Native JSON Imports?
Traditionally, JavaScript required developers to fetch JSON files asynchronously or load them through a module bundler like Webpack or Vite.
Now, thanks to the latest ES module standard and support in browsers and Node.js, you can use:
import config from './config.json' assert { type: 'json' };
console.log(config.title); // Outputs: "My App"
No more fetch calls or dynamic imports.
How to Enable Native JSON Imports In Modern Browsers
All major evergreen browsers (Chrome, Firefox, Safari, Edge) now support native JSON imports within ES modules, provided you serve your scripts with type="module".
<script type="module">
import data from './data.json' assert { type: 'json' };
console.log(data);
</script>
- Ensure the file is served with the correct MIME type (
application/json) - Cross-origin files must support CORS
In Node.js (v20.6+ Recommended)
// package.json
{
"type": "module"
}
// index.mjs
import config from './config.json' assert { type: 'json' };
Note: You must include assert { type: 'json' } or the import will fail.
Why This Matters for Developers
- Faster: No need for async fetch or dynamic loaders
- Safer: Native support reduces dependency risk
- Cleaner: Fewer lines of boilerplate
Validate & Beautify Your JSON Before Import
Want to make sure your JSON file is clean and properly formatted before importing?
Use our free tool 👉 JSON Formatter & Viewer
- Validate your JSON file
- Beautify deeply nested structures
- Debug syntax errors before use
- Convert JSON to CSV, YAML, XML, Markdown, and more
Common Errors & How to Fix Them
| Error | Fix |
|---|---|
| ❌ Cannot find module ‘./config.json’ | Check file path and extension |
| ❌ Unexpected token | Use JSON Formatter to fix format |
| ❌ Module parse failed | Ensure assert { type: 'json' } is included |
| ❌ CORS error | Enable cross-origin access or load from same origin |
Linking JSON Imports with JSON Tools
If you’re building projects with JSON configs, combine imports with:
Bonus: JSON Import Use Cases
- React/Vue App Configs: Load app settings on build
- Language Locales: Manage i18n JSON dictionaries
- Static Blog Templates: Inject meta content into pages
- DevOps Dashboards: Parse system info JSON into graphs
Final Thoughts
Native JSON imports simplify JavaScript development by letting you treat .json files as first-class modules. They’re faster, cleaner, and now widely supported in browsers and Node.js.
Before importing, always validate your JSON using tools like JSONFormatter.online to catch syntax errors and make debugging easier.