JavaScript File Viewer

Upload or drop a JavaScript file to view its contents with syntax highlighting.

Drag & drop your JS file here or

No file selected
JavaScript Preview 
Your JavaScript content will appear here...

How to Use the JavaScript File Viewer

  1. Click the "Browse Files" button or drag and drop a JavaScript file (.js, .jsx, .mjs, .cjs) into the designated area
  2. Wait for the file to load (processing happens entirely in your browser)
  3. View your JavaScript code with syntax highlighting
  4. Use the "Copy to Clipboard" button to copy the code if needed

Benefits of Our JavaScript Viewer

Frequently Asked Questions

Is my JavaScript code uploaded to any server?
No, all processing happens locally in your browser. Your code never leaves your computer.
What file types are supported?
We support standard JavaScript files (.js), JSX files (.jsx), ES modules (.mjs), and CommonJS files (.cjs).
Is there a file size limit?
The limit depends on your browser's memory capacity, but very large files may cause performance issues.
Can I use this tool offline?
Yes, after loading the page once, you can use it without an internet connection.
Does this tool modify my original file?
No, this is a read-only viewer. Your original files remain unchanged.