We have already shared a list of the best free audio converter software for Windows 11, best MP3 converter apps, etc., but what if you don’t want to install any software for audio conversion?

If you are running low on storage space and don’t want to install additional audio converter software, it’s best to use a free online audio converter. As of now, there are hundreds of music converter online sites available on the web which you can use for free.

You can use online audio converters to convert the file format of your audio files. And compared to software, online music converters are easier to use and support more file formats.

List of Best Free Online Audio Converters

Hence, if you are interested in exploring the best free online MP3 converter sites, read the article till the end, as here we have listed the best free online music converters. Let’s get started.

1. Zamzar Online File Conversion

Zamzar Online File Conversion

Well, Zamzar is a website that provides you with various file conversion options. It’s the site that makes file conversion very easy. You can use it to convert your documents, images, videos, and audio.

Currently, the site supports more than 1100+ formats and is completely free to use. Regarding the audio conversion, you get an MP3, MIDI, WAV, OGG, FLAC, and M4A converter on this site.

The file conversion speed is also pretty fast, but a lot depends on your internet speed because you must upload the file first to convert it.

2. FileZigZag


If you are searching for an online audio converter that works across all common audio file formats, then FileZigZag might be your best pick. It’s a website where you must upload your audio file and convert it.

You even have the option to upload your file and receive an email when the conversion is finished. This way, you don’t need to wait until the site converts your audio file. Regarding file format compatibility, FileZigZag is compatible with almost all major audio file formats you can think of.

The site also runs security checks on your audio files and automatically deletes them after 24 hours. So, all your audio files were safe with FileZigZag.

3. OnlineAudioConverter


OnlineAudioConverter is a less popular site on the list, but it’s still one of the best online music converters you can use today. The good thing about the online audio converter is that it works with over 300 audio file formats.

You can even upload video formats and get them converted into an audio files. This simply means you can also use this site to extract audio from a video file.

Other than that, OnlineAudioConverter offers you quite a few advanced audio configuration settings. For example, you can configure the quality, bitrate, frequency, and number of channels before converting the audio files.

4. Convertio Audio Converter

Convertio Audio Converter

If you are searching for an easy-to-use online audio converter to convert your audio file formats, then look no other than Convertio Audio Converter.

Convertio Audio Converter is a browser-based tool that lets you convert your audio files in easy steps. You won’t believe it, but the web-based tool supports over 3400 audio file formats.

Since it’s a browser-based tool, you can use it on any platform. You can use it on your Mac, Windows, Linux, Android, or even iPhone. Overall, Convertio Audio Converter is a great online audio converter today.

5. Freeconvert Audio Converter

Freeconvert Audio Converter

Freeconvert Audio Converter is another great web app that can convert audio files online for free. Compared to other browser-based tools on the list, Freeconvert Audio Converter is easier to use.

The site has a clean interface that looks good. While the site doesn’t support every audio file format, it does support the popular ones. Currently, the site supports more than 450 audio file formats for conversion.

To convert audio files with Freeconvert Audio Converter, you need to click the Choose files button and upload the file. Once uploaded, select the target audio format in the Convert To drop-down and click on the Convert button. FreeConvert will convert the file in no time.

6. Audio Online Convert

Audio Online Convert

Audio Online Convert is a relatively new site that specializes in audio conversion. The user interface of the site is pretty clean, and it has other file conversion tools as well.

Regarding the audio conversion options, Audio Online Convert supports more than 150 source formats. This includes the most common audio formats such as OGG to MP3, MP4 to MP3, WMA to MP3, etc.

Before the conversion, you can change the bitrate, constant bitrate value, audio frequency, audio channel, and more.

7. Aconvert


Aconvert is similar to the Zamzar, which we listed at the top. Like Zamzar online file conversion, Aconvert also provides audio, image, video, document, and PDF conversion tools.

The user interface of Aconvert is pretty clean and kept simple. You need to upload your file, select the target format, audio bitrate, and sample rate, and click on the Convert Now button.

The site will convert your audio file in no time. After the conversion, Aconvert also provides you an option to save the file on online storage services like Dropbox and Google Drive.

8. Notta Ai

Notta Ai

Notta Ai could be the best pick for those searching for a free online audio converter to change the audio file format. The file supports popular audio formats such as MP3, WAV, AAC, AIFF, M4A, MP4, AVI, FLV, MOV, WMV, etc.

Notta Ai supports bulk audio file conversion, allowing you to convert 5 files simultaneously. However, the maximum file size for upload is capped at 200MB, and that’s more than enough for an audio file.

The site also cares for your privacy and security as it processes data through the local browser, and it doesn’t upload its files to any cloud or server.

9. Audio-Convert


Audio-Convert is another best browser-based online music converters that can quickly convert any audio file to another format.

The good thing about Audio-Convert is that it attempts to convert your audio while maintaining zero loss of quality. The site doesn’t support all file formats, but it supports the most popular ones, such as MP3, WAV, M4A, MIDI, OGG, AAC, OPUS, AIFF, etc.

Audio-Convert is completely free to use and has no restrictions. It neither asks you to install any browser extension nor create an account. Other than that, the batch audio conversion option is also available on Audio-Convert.

10. Virtualspeech Audio Converter

Virtualspeech Audio Converter

Virtualspeech Audio Converter is a popular online audio converter site that converts your audio files to popular formats such as MP3, OGG, FLAC, M4A, and more.

The online audio convert is free to use, and you can use it as often. The audio files you upload on the site are accessible only to you as it stores nothing on its server.

Besides the audio conversion, Virtualspeech is a side known for its premium courses. The site has courses that can help you learn new skills.

11. CloudConvert


CloudConvert is one of the leading audio converter sites that lets you convert your audio files online.

The good thing about CloudConvert is that it supports various audio file formats for input/output. Also, using this site is pretty easy; select the current file format, set the output format, and click the Convert button.

CloudConvert will process the file and will convert it within a few seconds. Once converted, you can download the converted audio file on your computer.

12. Audio Online Convert

Audio Online Convert

Audio Online Convert is less popular than the other options on the list, but still, it’s one of the best free online audio converters you can use today.

You won’t believe it, but the online file converter right now supports over 50 different audio formats for conversion.

Audio Online Convert supports some popular audio formats: AAC, M4A, MP3, OGG, FLAC, etc.

Also read: How to Convert MP4 to MKV

All of the sites listed in the articles were free to use. So, these are some of the best free audio converter sites you can use today. If you know of any other free online audio converter, let us know in the comments below.


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