Online Audio Converter

Use the free online audio converter to change your audio file format.
Or drag and drop multiple audio/video files here
Format supports mp3, wav, aac, aiff, m4a, mp4, avi, flv, mov, wmv.
Upload up to 5 files. Max file size: 200MB.

How to Convert Audio Files Online and Free

Upload Audio Files
Click the upload button to select audio or video files, or you can drag the files directly to the upload area.
Select Audio Format
Select the audio format and audio quality you want to export.
Convert & Download
Click the 'Convert' button, wait for the system to convert the format, and then download the files.

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Why Choose Notta Online Audio Converter

Convert Any Audio
Our converter supports all popular audio and video formats and can export files such as mp3, wav, aac, aiff, flac, m4a and more.
Privacy and Security
Notta processes data through the local browser, and files will not upload to any cloud and server, so there is no need to worry about data security.
Multi-platform Supported
You can use the converter on any device and any browser, we support Mac, Windows, Android or iPhone, and support browsers Google Chrome, Safari, Firefox, Edge.
High Quality Audio Output
The converter will keep the highest audio quality, and you can also choose the audio bitrate you want when converting.
Easy to Use
Complete online, the interface is simple and intuitive. You can easily get the converted audio files.
Batch Conversion
You can batch convert 5 files at once, and then download the zip file.

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FAQ About Online Audio Converter

Can I convert MP4 to MP3?
How to extract audio from a video?
What is audio bitrate?
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