Free Online MP3 Converter
Professional MP3 converter that supports multiple audio formats. Convert WAV, FLAC, AAC, M4A, OGG to MP3 with high quality output. All processing happens in your browser for maximum privacy.
Drag and drop audio files here, or click to select
or Select Files
Max file size: 100MB
Conversion Settings
How to Convert Audio Files to MP3
Upload Audio Files
Drag and drop your audio files or click to browse. Supports WAV, FLAC, AAC, M4A, OGG, WMA, and AIFF formats.
Configure Settings
Choose your preferred bitrate, sample rate, and other quality settings for optimal results.
Convert & Download
Click convert and download your MP3 files. Batch conversion available for multiple files.
Key Features
Multiple Format Support
Convert from WAV, FLAC, AAC, M4A, OGG, WMA, AIFF to MP3 with professional quality output.
Batch Processing
Convert multiple audio files at once with consistent settings for efficient workflow.
Client-Side Processing
All conversion happens in your browser. Your files never leave your device, ensuring complete privacy.
Customizable Quality
Choose from various bitrates (128-320 kbps) and sample rates for optimal quality vs file size balance.
No Registration Required
Use all features without creating an account. Start converting immediately with no sign-up process.
Fast & Reliable
Powered by WebAssembly FFmpeg for fast, reliable audio conversion directly in your browser.
Frequently Asked Questions
What audio formats can I convert to MP3?
Our converter supports WAV, FLAC, AAC, M4A, OGG, WMA, and AIFF formats. Simply drag and drop your files or click to browse and select them.
Is there a file size limit?
You can convert files up to 100MB each. For larger files, consider using our desktop application or splitting the audio into smaller segments.
Are my files uploaded to your servers?
No, all conversion happens directly in your browser using WebAssembly. Your files never leave your device, ensuring complete privacy and security.
Can I convert multiple files at once?
Yes! Our batch conversion feature allows you to convert multiple audio files simultaneously with the same settings.
What quality settings are available?
You can choose from bitrates ranging from 128 kbps to 320 kbps, and sample rates from 22.05 kHz to 48 kHz for optimal quality.
Do I need to install any software?
No installation required! Our converter runs entirely in your web browser using modern web technologies.
Is the converter really free?
Yes, our MP3 converter is completely free with no hidden costs, watermarks, or usage limitations.
Which browsers are supported?
Our converter works in all modern browsers including Chrome, Firefox, Safari, and Edge. Make sure you're using an up-to-date version.