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Free Online Audio Converter

Convert any audio or video file to MP3, WAV, FLAC, OGG, AAC and more. Fast, free, and private - no upload required.

Why Choose Our Audio Converter?

Lightning Fast

Convert files in seconds using WebAssembly technology

100% Private

Files never leave your device. All processing happens locally

Completely Free

No registration, no watermarks, no file limits

High Quality

Professional-grade FFmpeg encoding for best results

Convert Between Any Audio Format

Our free audio converter supports all major formats. Extract audio from video or convert between audio formats instantly.

Input Formats

Audio and video files you can convert from:

MP3WAVFLACOGGAACM4AWMAMP4MOVAVIMKVWebMFLV

Output Formats

Audio formats you can convert to:

MP3WAVFLACOGGAACM4AWebMOpus

How to Convert Audio Files Online

1

Upload Your File

Drag and drop any audio or video file, or click to browse your files.

2

Select Output Format

Choose from MP3, WAV, FLAC, OGG, AAC, M4A, WebM, or Opus.

3

Download Result

Click convert and download your file. It's ready instantly!

Frequently Asked Questions

Is this audio converter really free?

Yes, completely free with no hidden costs. No registration required, no file limits, no watermarks.

Are my files secure?

Your files are 100% private. All conversion happens in your browser using WebAssembly. Nothing is uploaded to our servers.

What's the maximum file size?

You can convert files up to 500MB. Since processing happens locally, larger files just take longer to convert.

Can I extract audio from video files?

Yes! Simply upload your video file (MP4, MOV, AVI, MKV, etc.) and select your preferred audio format. We'll extract the audio track for you.

Which audio format should I choose?

MP3 is best for compatibility and small file sizes. WAV and FLAC are ideal for high quality and editing. OGG and Opus offer great quality at smaller sizes.