Audio Converter Online
Convert between MP3, WAV, OGG, FLAC, AAC, and more — right in your browser.
Drop an audio file here or click to browse
MP3, WAV, OGG, FLAC, AAC, M4A
All processing happens in your browser. No files are uploaded.
What Is Audio Format Conversion?
Audio Converter is a free online tool that convert between MP3, WAV, OGG, FLAC, AAC, and more — right in your browser. No files are uploaded — everything is processed locally on your device.
This audio converter online free transforms audio files between different formats like MP3, WAV, OGG, FLAC, AAC, and M4A. It uses FFmpeg WebAssembly to process audio files directly on your device. Converting audio formats is useful for device compatibility, reducing file sizes, preparing audio for web use, or converting lossless recordings to compressed formats for sharing. Your files are never uploaded to any server.
Privacy guarantee: Audio Converter processes all files directly in your browser using WebAssembly. No data is uploaded to any server, no information is collected, and the tool works offline after loading. Unlimited usage with no signup, no watermarks, and no file size limits.
How to Use Audio Converter
Upload your audio file
Select an audio file in any supported format from your device.
Choose output format
Select the target format (MP3, WAV, OGG, FLAC, or AAC) and bitrate for lossy formats.
Convert and download
Click Convert and download the converted file when processing completes.
Why Use Our Audio Converter?
Frequently Asked Questions
Which audio formats are supported?
The converter supports MP3, WAV, OGG, FLAC, AAC, and M4A. You can convert between any combination of these formats.
What bitrate should I choose for MP3?
320k provides the highest quality and is recommended for music. 192k is a good balance of quality and file size. 128k is suitable for speech and podcasts. 64k is for minimum file size.
Can I convert FLAC to MP3 without quality loss?
Converting from lossless (FLAC/WAV) to lossy (MP3/OGG/AAC) always involves some quality reduction due to compression. Choosing 320k bitrate minimizes the difference. Converting between lossless formats preserves quality exactly.
Does this work with large files?
Yes. Processing happens on your device using WebAssembly. Large files may take longer to process depending on your hardware, but there are no enforced size limits.
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