A static, browser-based audio conversion website that supports MP3 → WAV and WAV → MP3 directly in the browser. No installation, no backend, no command line, and no server-side processing required.
The application is designed for fast, simple, and privacy-friendly audio format conversion.
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Web-based audio converter
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Bidirectional format support
- MP3 → WAV
- WAV → MP3
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Runs entirely in the browser
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No file uploads to a server
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Works on desktop and mobile browsers
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Simple drag-and-drop interface
This is a fully static website. All functionality is implemented using client-side JavaScript and standard browser APIs. There is no backend, no server logic, and no database. The site can be hosted on any static hosting provider.
[ User Browser ]
|
v
[ Select / Drop Audio File ]
|
v
[ In-Browser Transcoding ]
|
v
[ Download Converted File ]
- MP3
- WAV
- WAV (PCM)
- MP3
The output format is automatically determined based on the user’s selection.
- Open the website
- Upload or drag an audio file (MP3 or WAV)
- Choose the output format
- Click Convert
- Download the converted file
No account or setup required.
Tested and supported on:
- Chrome (latest)
- Edge (latest)
- Firefox (latest)
- Safari (latest)
Note: Older browsers may not support required Web Audio or WebAssembly features.
- Conversion speed depends on device CPU and file size
- Large files may take longer on low-power devices
- All processing occurs locally
mp3-to-wav-convertit/
├── index.html # Main UI
├── styles.css # Styling
├── app.js # Conversion logic
├── /assets # Icons and static files
└── README.md # Documentation
- No batch conversion
- No metadata (ID3) preservation
- Not intended for extremely large audio files
- Batch file conversion
- Adjustable bitrate and sample rate
- Metadata passthrough
- Progressive Web App (PWA) support
All audio conversion happens locally in your browser. Files are never uploaded, stored, or transmitted to any server.