About M4AMP3Go
M4AMP3Go is a fast, secure, and privacy-focused audio converter that transforms your audio files between M4A and MP3 formats directly in your browser.
Lightning Fast
Convert files instantly using WebAssembly technology
100% Private
All processing happens locally. Your files never leave your device
No Limits
Convert unlimited files with batch processing support
How It Works
- 1.Upload your files: Drag and drop or browse to select M4A or MP3 files
- 2.Customize settings: Choose your target format, bitrate, sample rate, and audio channels
- 3.Convert: Click convert and watch as your files are processed using FFmpeg
- 4.Download: Get your converted files individually or as a ZIP archive
Technology
M4AMP3Go uses FFmpeg compiled to WebAssembly for client-side processing. When browser limitations are encountered, the app automatically falls back to a secure server-side conversion to ensure your files are always processed successfully.
Built with Next.js, React, TypeScript, and Tailwind CSS for a modern, responsive experience across all devices.