Online Audio Converter

Convert audio files instantly in your browser. Support for MP3, WAV, M4A, FLAC, AAC, OGG and more. High-quality audio conversion with no software installation required.

100% Free
No Registration
Browser-Based
Secure & Private

Select or drop your file

Click to browse or drag and drop your file here

Accepted formats: .mp3, .wav, .m4a, .flac, .aac, .ogg, .mp4, .mov, .avi, .mkv, .webm, .jpg, .jpeg, .png, .webp, .gif, .bmp, .tiff, .pdf, .txt

Max size: 500 MB

Supported Audio Formats

Convert between all popular audio formats with ease

MP3

The most popular audio format. Universal compatibility with all devices and players. Ideal for music and podcasts.

WAV

Uncompressed audio quality. Perfect for professional audio editing and archiving. Larger file size but pristine sound.

M4A

Apple's standard audio format. Better quality than MP3 at similar bitrates. Perfect for iTunes and Apple devices.

FLAC

Lossless compression. Maintains original audio quality while reducing file size. Preferred by audiophiles.

AAC

Advanced Audio Coding. Better efficiency than MP3. Default format for YouTube, iOS, and Android.

OGG

Open-source format with excellent compression. Popular for streaming and gaming. Free from patent restrictions.

Popular Audio Conversions

Quick access to the most requested audio conversions

WAV to MP3M4A to MP3MP3 to WAV

Why Use Our Audio Converter?

Lightning Fast

Convert audio files in seconds with our optimized browser-based converter. No upload or download wait times.

100% Private

Your audio files never leave your device. All conversion happens locally in your browser for complete privacy.

High Quality

Preserve audio quality with advanced encoding. Choose quality presets to balance size and sound fidelity.

How to Convert Audio Files

Convert your audio files in three simple steps

1

Upload Audio

Select or drag and drop your audio file into the converter. We support all major audio formats.

2

Choose Format

Select your desired output format and quality preset from the available options.

3

Convert & Download

Click convert and instantly download your converted audio file. It's that simple!

Frequently Asked Questions

What audio formats are supported?

We support MP3, WAV, M4A, FLAC, AAC, OGG, and many other popular audio formats. You can convert between any of these formats easily.

Is the audio converter free?

Yes, our audio converter is completely free with no limitations. You can convert unlimited audio files without creating an account or paying any fees.

Will I lose audio quality when converting?

Converting from lossy formats (MP3, AAC) to other lossy formats may result in some quality loss. For lossless conversion, use formats like FLAC or WAV. We use high-quality encoders to minimize any quality degradation.

Are my audio files safe?

Absolutely! All audio conversion happens locally in your browser. Your files are never uploaded to any server, ensuring complete privacy and security.

Best Free Online Audio Converter

FreeConvertOnline.net offers the best free online audio conversion service. Our powerful browser-based converter supports all popular audio formats and delivers high-quality results in seconds. Whether you need to convert music, podcasts, voice recordings, or any other audio content, our tool makes it easy.

Convert Any Audio Format

Our versatile audio converter handles all your conversion needs. Convert WAV to MP3 for smaller file sizes, transform M4A to MP3 for universal compatibility, or compress FLAC to MP3 for easy sharing. Whatever audio format you need, we've got you covered.

Professional Audio Conversion Features

  • Support for bitrate and quality settings
  • Batch conversion capability
  • Metadata preservation (artist, album, artwork)
  • Fast conversion with FFmpeg technology
  • Works on all devices - desktop, tablet, and mobile

Privacy-First Audio Conversion

Unlike other online converters, we never upload your files to a server. All audio processing happens locally in your browser using WebAssembly technology. This means your music, podcasts, and recordings stay private on your device. Enjoy fast, secure audio conversion with complete peace of mind.