screenshotAudio to MP3  |  Download Convert any streaming audio to MP3 and download it to your machine.

Some of the important features of the Audio to MP3 addon are listed below. This is followed by an overview of this addon. This summary contains few words about the addon, its function, and its features. Next is FAQ, this section is useful to get information about how this addon works in your browser. If you couldn't find a specific answer, please fill the bug report form on this page or the contact form on the homepage to let us know about your question. Following the FAQ, is the bug report form. It is designed to collect user feedbacks and bugs about this addon. Users can suggest improvements or feature requests through this form too. The next section is for submitting comments about this addon which uses the Facebook comments plugin. The last section is dedicated to reports submitted through the GitHub website. We hope the information provided on this page, could help you get all the basics you need about this addon and enable you to have a better experience with Audio to MP3.

In short, Audio to MP3 is an addon that let you convert common audio files (online/offline) to mp3 format via the page action button. Please check the YouTube tutorial below to get an idea of how this addon works in your browser. If you want to contribute to the developement of this addon, please fork it on GitHub, and push your changes to a named branch. Moreover, you can review all the comments made on GitHub commits.

5 Reasons to Use Audio to MP3

  • Allows you to convert audio streams to mp3 format.

  • MP3 files will be downloaded to your machine once conversion is completed.

  • Can convert common media formats (.wav, .mp4, .mpeg, .webm, etc.) to mp3

  • Uses an open-source JavaScript library called lamejs for mp3 conversion.

  • Available for all browsers and platforms (windows, linux and mac).

YouTube Tutorial

This video gives you an idea of how the extension works in your browser.

Matched Content

Frequently Asked Questions

  • 1. What is Audio to MP3?

    Audio to MP3, is a simple add-on that can convert audio files to mp3 right in your browser. Simply browse to a website that contains streaming audio or video files. Then, wait for the addon to detect the audio stream. Once the audio file is detected, page-action button (button next to the address bar) will be activated. Now, if you click on the page action button, the addon will start the conversion process and download the resulting mp3 file to your machine. Please note that you can convert offline audio files to mp3 as well. To do so, simply drag and drop the file to a new tab in your browser and then wait for the addon to detect the audio stream. If you right click on the page action button, there are five options for the mp3 quality to choose from. Default quality 128 kbps.

  • 2. How can I operate with this addon?

    As mentioned above, this addon can convert common online or offline audio files to mp3 format. For online conversion, simply browse to a website with video or audio stream. Then, wait for the addon to detect the audio stream. Once the toolbar button is activated, click on the button to start the conversion. A popup banner will appear at the bottom of the page showing the file info. Once the conversion is completed, the resulted mp3 file will be downloaded to your machine in the default download folder. Please note that this addon may not detect audio streams in some websites (i.e. YouTube, Sound Cloud, etc.). For offline mp3 conversion, please drag and drop the audio file to a new tab in your browser. Then follow the above procedure to convert the audio file to mp3.

  • 3. How can I download the source code for Audio to MP3?

    To download the source code for this extension from Chrome Web Store, it is recommended to use Extension Source Downloader. With this addon, you can download the source code as a ZIP or CRX format to your machine. If you want to download the source code from the Firefox addons store, please open the firefox download link (if available) in the Firefox browser and then right-click on the - Add to Firefox - button and select - Save Link As... - item. Choose the destination folder on your machine and then save the file in XPI format. You can then rename the XPI format to a RAR or ZIP file. Some extensions may have a GitHub repo address, which you can use to download the source code as well. But, it may not be the latest version of the addon. Therefore, downloading the source code from the official web stores is the best option as it always gives you the latest version of the addon.

  • 4. What API/engine is behind the conversion process?

    This addon uses an open-source JavaScript library called lamejs. This library is a fast mp3 encoder written purely in JavaScript language. Please heads to this GitHub repo in order to get more info about this library. Beside lamejs, this addon uses an audio API called - decodeAudioData. This API, which is built-in in all modern browsers, can decode audio data contained in any arraybuffer. Once audio data is extracted by this API, it will be fed to the lamejs library for encoding to MP3 format. Please read this page to get more info about BaseAudioContext.decodeAudioData() API.

  • 5. Are there any options or settings to adjust in this addon?

    There is not a separate options or settings page for this addon. Only the quality of the resulting mp3 file can be changed via the context-menu in toolbar icon (see below FAQ).

  • 6. How can I change the mp3 quality?

    In order to change the mp3 quality, please right click on the toolbar button (page-action button next to the address bar). Then, click on the desired mp3 quality. Default quality is 128 kbps. Depending on the chosen quality, the conversion speed may vary.

  • 7. How can I convert an offline audio file (a local audio file on my machine) to MP3?

    If you have a local file on your machine, please drag & drop the file to a new tab in your browser. Then, wait for the addon to detect the file. Once toolbar icon is activated, please click on the button to start the conversion process. Please note that this addon can only convert audio files which are recognized in your browser. In other words, your browser can play the media (audio or video). If your browser cannot play the media, this addon will not be able to convert the stream to mp3 format.

  • 8. Is this addon available for mobile browsers?

    Yes, this addon is available for both mobile and desktop machines in all operating systems (windows, linux and mac).

  • 9. How can I stop the active process?

    When you see the in-page popup conversion banner, please click on the delete button at the right side of the banner in order to cancel the active conversion process. Clicking on the toolbar icon will re-activates the conversion process again.

  • 10. How can I disable this addon?

    In order to disable this addon, please head to the extensions tab and then click on the disable button next to addons name.


Reporting Bugs

Your feedback goes a long way towards making this addon even better. With this feedback and bug report form, you can report bugs or suggest features/enhancements for the functionality or performance of this addon. Please note that this form will be sent to the developer(s) of this addon. You will not get an immediate or personal response at the moment. However, the developer(s) may contact you through the email address provided in this form for further clarifications or to request additional information regarding the reported bug(s).

If you want to rate or write a review for this addon in the official webstore, please press the - Rate this addon - button below.

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Reviews | Discussions

Please note: keep these reviews/discussions clean, and avoid the usage of derogatory or inappropriate language or terminology in references to individuals or groups based on race, national or ethnic origin, color, religion, age, gender, etc. Do not submit bugs in your reviews, use the above bug-report section instead. Also, never post any personal information in these reviews.