The WebM to Mp3 conversion process is simple, regardless of the tool you are using. However, if you convert a low-resolution WebM to MP3, the result of the output file can be in low quality. Therefore, it is better to find high-resolution WebM videos as the input, to create better audio files for the output.

As you may know, with the new Record feature for our free online text reader, you can record and download the speech file in the WebM format. If you want to get the audio file from the WebM file, you can use one of the free WebM to audio converters as below.

1. CloudConvert.com

cloudconvert webm to mp3

Pros:

  • It lets you import WebM videos via URLs, from cloud storage services like OneDrive, Dropbox or Google Drive and from a local hard drive.
  • It allowes you to convert WebM to not only Mp3 but other formats too, e.g. WAV, Flac,...
  • There are some options to change for the audio file, e.g. the start and end times, volume, bitrate,...
  • It provides a free version with limitations. You can use CloudConvert freely for up to 25 conversions per day.

Cons:

  • Sometimes the loading when you convert a file is showing infinitely. You need to refresh the page to check if it is already finished or not.
  • You need to upgrade to a paid package if you need more than 25 conversions per day.

2. Convertio.co

convertio.co webm to mp3

Pros:

  • In order to turn a WebM video into an MP3 file you just have to upload it either from cloud storage or a local hard drive.
  • It provides conversion features similar to CloudConvert, even more file types you can convert to!
  • You can customize many options, e.g. the bitrate, frequency or volume values,...
  • We love the My Files feature, where it show all your file conversion even you done just as a Guest!
  • As a Guest, you can convert maximumly 25 files per 24 hours.

Cons:

  • You need to upgrade to a paid package if you need more than 25 conversions per 24 hours.

3. Freeconvert.com

Freeconvert.com webm to mp3

Pros:

  • You can upload a WebM video from cloud storage (Google Drive, Dropbox, URL) or a local hard drive.
  • It provides conversion features similar to other converters, where you can convert WebM to not only Mp3 but other formats too.
  • You can customize some options, e.g. volume values, trim start, trim end, reverse audio,...
  • As a Guest, you can convert up to 750 conversion minutes per month (25 conversion minutes per day). That means up to 25 conversions per day.

Cons:

  • They limit conversions by minutes, so if you convert big WebM, you should consider to upgrade to a paid package.
  • They don't keep your sessions as CloudConvert or Convertio. If you refresh your browser, all your current conversions will be lost!

4. Zamzar.com

Zamzar.com webm to mp3

Pros:

  • You can upload a WebM video from many cloud storage (Google Drive, Dropbox, Box, OneDrive) or a local hard drive.
  • It allows you to convert WebM to not only Mp3 but other formats as other converters.
  • As a Guest, you can convert up to 2 files in any 24-hour period (with files up to 50MB in size).

Cons:

  • The size of WebM file for the Free service is too small compare with other online converter. It is same for the number of conversion you can do per 24 hours. Therefore you should consider to upgrade to a paid package if you intend to use the service.
  • For the Free service, files are stored for 24 hours, but you need to remember/store the link to access later!
  • No options to customize the output audio.

5. Online-convert.com

Online-convert.com webm to mp3

Pros:

  • You can upload a WebM video from some options (Google Drive, Dropbox, URL or a local hard drive).
  • There are some options you can use to customize the output audio file, e.g. bitrate, trim audio,...
  • As a Guest, you can convert up to 3 files per 24-hours period (with files up to 100MB in size per conversion).

Cons:

  • The number of conversion you can do per 24 hours is only 3 maximum. Therefore you should consider to upgrade to a paid package if you intend to use the service.
  • The interface is less flexible if compare with other online converter, where you are fixed to convert from WebM to Mp3. If you want to change the format, need to click on another link to go to the page correspondingly.

6. Onlineconvertfree.com

Onlineconvertfree.com webm to mp3 converter

Pros:

  • You can upload a WebM video from your local hard drive only.
  • It allows you to convert WebM to not only Mp3 but other formats in same interface. 

Cons:

  • There is a pricing page but no information about the Free service. So you can try and will see its limitations after!
  • It is full of ads for the free service, so less intuitive to use if compare with other converters.
  • You can only upload the input file from your local drive, no options from URL or cloud storages.

7. Cdkm.com

Cdkm.com webm to mp3

Pros:

  • You can upload a WebM video from a remote URL or a local hard drive).
  • It allows you to convert WebM to not only Mp3 but other formats too.

Cons:

  • No information about what you can do with the Free service. So you can try and will see its limitations after!
  • It doesn't keep your session, if you refresh your page, you will lose all the converted files.
  • We got an alert message popup from Edge "The page isn't responding" after converting successfully a Webm file to Mp3.

8. Anyconv.com

Anyconv.com webm to mp3

9. Onlineconverter.com

Onlineconverter.com webm to mp3

10. Webm.to

Webm.to webm to mp3