Top 11 Online MP3 Converters to Free Convert Video/Audio to MP3

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Posted by Jane Winston May 26, 2019 08:20
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3 Steps to Free Convert Audio or Video to MP3 Online

  • Step11

    Click Add File to quickly install a small-size launcher for the MP3 converting online.

  • Step22

    Click the "Add File" button again to upload media file you want to convert to MP3.

  • Step33

    Click Convert button to start the free MP3 converting online.

Free Convert Audio or Video to MP3 Online

Top 11 Online MP3 Converters

Looking for the best MP3 converter online? This post shows 11 best online video to MP3 converters to help you make the MP3 audio conversion with ease. Whether you want to free convert MOV, AVI, FLV, MP4 to MP3, or turn FLAC, WMA, AAC, M4A to MP3, you can easily find suitable converting tool here.

MP3 can be taken as the most popular audio format. It can be supported by almost all media players and iOS/Android devices. Though MP3 is one kind of lossy compression audio format, it can provide a relative good sound quality with a small file size. When you have the audio conversion need, MP3 will always be your first and best consideration.

MP3 Converter Online

To help you free convert video or audio to MP3, here we gather top 11 MP3 converter online. You can take any one from them to make the audio converting.

Free Online Video Converter

Free Online Video Converter is an easy-to-use free MP3 converter. It highly supports any popular video and audio formats like MP4, MOV, FLV, AVI, MKV, WMV, AAC, M4A, MP3 and more. Comparing with other online MP3 audio converter, it can offer a faster MP3 converting speed. But one thing you should know is that, you are required to take 3-5 seconds to install a launcher first before free converting MP3 online.

Free Online Video Converter

Online Audio Converter

Online Audio Converter is a very popular online audio converting tool. This free online converter has the capability to quickly convert any audio files for you. Over 300 different file formats including video formats are supported. What's more, you don't need to install launcher or what to make the MP3 conversion.

Online Audio Converter

You can choose a suitable output audio quality like Standard, Good or Best. It also provides a good way to extract audio from video. This online MP3 converter enables you to convert more than one file simultaneously in a batch conversion.

Online Video Converter - MP3 Converter

Online Video Converter is another popular online video audio converting software. It allows you to free convert video or audio file to MP3 online. In addition, it has the capability to convert YouTube video to MP3 or other formats you need. Just copy and paste the YouTube video address, you can easily download YouTube to MP3 or MP4.

Online Video Converter


Online-Convert is a famous media file converting site which can help you free convert video to MP3 online. Relatively speaking, it has an old-designed interface. But you don't need to its online MP3 converting capability. It enables you to change audio bitrate, sampling rate, audio channels, and clip audio before MP3 converting. And similar to the MP3 converter above, it can help you convert YouTube to MP3.


Youtube Mp3 Converter

Youtube Mp3 Converter is specially designed to download and convert online YouTube videos to MP3. If you have the same need to free convert YouTube to MP3, you can try this tool. Just paste the URL and you can easily get the job done. It can't help you convert your local media files to MP3, you should know that.

Youtube Mp3 Converter


convert2mp3 is free online MP3 converter which provides a simple way to download and convert online videos from YouTube, DailyMotion or Clipfish to MP3, MP4, MOV, etc. based on your need. This YouTube MP4 MP3 converter is also designed with a cool searching feature, which can help you directly search for the media files from its site. But the annoying part is, it will constantly prompt you to download a video downloader converter. What's worse, it can't help you free convert local video/audio to MP3.



Convertio is a great video/audio and document files converting tool. This all-featured online converter can help you convert any video or audio files to MP3 with high-quality. More than just a simple free MP3 converter online, it enables you free convert ebooks, pictures, texts and even font files with ease. Besides the local files, you can convert files from Dropbox, Google Drive and online video URL.


Convert Files

Convert Files is a simple free online MP4 MP3 converter. You can handily upload media files from computer to its converting service. Compared with other online MP3 converters, it only offers several frequently-used video and audio output formats like MP4, MOV, AVI, MP3 and so on. Before the final conversion, you can choose the output file quality according to your need.

Convert Files


ZAMZAR is a powerful online video audio converter. It official claims that it supports more than different format conversions. It gets a great customer loss due to the wrong converting way. It requires users to enter email address for the converted files downloading. Good thing is, now you don't need to enter your email for the free online MP3 conversion any more.



anything2mp3 is a good in-browser MP3 audio converter on the internet. It has a concise and relative beautiful interface to make sure you have a good user experience. It only allows you to convert video to MP3, OGG, AAC and WMA. You can choose bitrate for the converted audio. Moreover, it also provides the online YouTube to MP3 converting service. Just input YouTube URL, you can easily convert online videos to MP3.



audiotrimmer is a good audio converter and trimmer online. It is able to convert almost all audio to MP3 to fit your need. Apart from audio, it also allows you to convert video like AVI, MOV, MP4 to MP3. You are allowed to set the output audio bitrate. MP3 is the only output format. You can't rely on it to convert other formats.


Best and professional video to MP3 converter

Converting MP3 online is a good and convenient way if you want to convert one or two audio files. But when it comes to videos, online MP3 converter won't be a great option. It will waste too much time on the video uploading. Moreover, comparing with professional converter, online MP3 converters still have many disadvantages. If you want to quickly convert video or audio to MP3, or prefer to edit media file(s) before the final MP3 conversion, you can free download and try the professional Video Converter Ultimate below.

Professional MP4 MP3 Converter

We have mainly talked about MP3 converter online in this page. 11 best online MP3 converter sites are recommended to help you free make the audio conversion. Leave us a message if you have any better recommendation. Check this post if you want to directly download MP3 to iPhone. Surely, don't hesitate to tell us if you still have any doubt.

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