Convert to MP3

Convert any media (video & audio) to MP3 inside your browser!


A handy and reliable tool to convert media contents (video or audio) to .mp3 file format. Please note that your browser should support the input media, meaning, it should be able to play the media without any problems. Simply drag and drop the media to the designated area in the app, then hit the convert button. You can download the converted file to your machine after the conversion process is finished.

This web application is designed to convert media contents to .mp3 audio file format. As mentioned above, your browser should be able to play the input media before the app can work. This web app uses an open-source javascript API called lame.js. It does the job locally on your machine, meaning your file will NOT be sent to any remote servers. All the conversion operations are performed inside your browser and on your local machine. Moreover, we do NOT store any of your files in any remote locations. Everything happens locally on your machine which is very important for your privacy and security.

To work with this web app, either drag and drop media file(s) in the above input area, or click on the input area to open the file I/O window and then select your files from there. You will see items are listed below the file selector box. Then, click on the convert button to convert a file to mp3. Once the conversion is done, you can click on the download button to download the file to your system or remove the item by clicking on the delete button.

There are also some optional setting which you can adjust for this app. For example, audio bitrate, sample rate, and audio channels. Moreover, you can trim the audio for a specific period.

Convert to MP3 app is also available as a browser extension. As an extension, this app does not need an internet connection and can be used offline in your browser. Download links for three popular browsers are as follows: Chrome, Opera, Firefox.

If you found a bug in this page, or have a feature/function which you would like to see in this web app, please let us know by sending an email or through the discussion form below. Moreover, don't forget to check other web apps in webbrowsertools.com, we have many useful apps related to browser's privacy and security.

Related Blog Posts

  1. Why a Website or Service Cannot be Accessed: It is always possible for even some of the most prominent websites or services to go down. Although the downtime of websites such as Twitter, YouTube or Face is often measured in seconds, other websites, on the other hand, might be down for hours or in some cases, days at a time...
  2. Clear Browser Cache: Just about everyone wants to know how to clear browser cache for their browser (Chrome, Firefox and Opera). It is an important diagnostic after all when one is having issues with the website loading or privacy...