How to convert an MP4 to an MP3

Here's how to convert an MP4 to an MP3 file with online and offline tools

MP4s are great if you’re in a time and place to appreciate a good video, but they aren’t the most conducive to portability and storage, especially if you merely want to listen to the audio from a particular file. One of the best ways around that is to turn them into the much more storage-friendly MP3 format. But for that, you need to know how to convert an MP4 to an MP3

Luckily, there are a host of free file converters you can download for your desktop, or use directly within your browser, to strip the sound from your favorite videos. Below are two of our favorites, along with instructions for using each to convert your MP4.

Step 1: Navigate to Cloud Convert

The homepage is the best place to start, but you can always add the extension to Chrome if that’s your browser of choice.

CloudConvert is an intuitive, cloud-based service that provides a stand-alone option that requires little more than an internet connection and your file. It’s entirely free, requires no additional software to run, and supports quick conversion between more than 100 formats — most notably MP4 to MP3, in our case.

While the resulting audio quality is great, as is the conversion speed, a free account can only handle files less than 1GB in size. Other limits to the free version are a maximum of 25 conversion minutes per day, five concurrent conversions, and free accounts have low priority compared to paid accounts. However, CloudConvert should suit your needs if your only need to convert a few smaller files per day.

Step 2: Select the files you want to convert

Click the “Select files” button in the middle of the page and select the video files you wish to convert to MP3. A pop-up window will appear where you can locate or search for the desired files on your computer. You can also choose a file from a URL, or from your Dropbox, Google Drive, OneDrive, or your Box account. Note that you need to sign up for a free CloudConvert account before linking to your cloud storage service.

Once your files are selected, click the “Open” button in the lower-right corner to add the file to the conversion queue.


Step 3: Choose your output format

Click the “Select format” button that appears after adding your MP4 to the list, then select “audio” and “MP3” from the drop-down list. Click the wrench icon located directly beside the file if you wish to fine-tune the audio bit rate (up to 320 kbps), channels, frequency, normalization, or trim the new file to a specified length. The latter is an incredibly handy tool if your video has an introduction or ending with undesired audio. When finished, click the blue “OK” button.

Step 4: Tweak download options

CloudConvert offers two additional options besides your typical download. Check the top box if you want Cloud Convert to send the resulting MP3s directly to your Dropbox, Google Drive, OneDrive, or Box account after the conversion is complete. You can also be notified when the conversion is completed if desired.

Step 5: Begin the conversion

Click the red “Start Conversion” button on the right side of the page when you finished setting your desired output and save preferences. A gray and yellow bar will appear at the top indicating the conversion’s current status, along with a cancellation button should you change your mind for whatever reason. Afterwards, wait for the conversion to complete.

Step 6: Download your new MP3

It may take some time, but CloudConvert will notify you when your conversion is finished. Then just click the green “Download” button and select a save destination for the file. If you chose either of the two save options in Step 4, the resulting MP3 should already be in your Dropbox, Google Drive, OneDrive, or Box account.

Now that you ripped your audio, if you need a decent MP3 player to play it on. These are our favorites.

Alternative: Any Video Converter (Windows and MacOS)

If you’d rather do your conversions locally, our favorite video converter is Any Video Converter. It lets you extract MP4 audio and convert it directly into MP3, AAC, WMA, OGG or Wave format for use on a variety of mobile devices. The audio and video quality is exceptional for a free program, has a lightning-quick conversion speed, and the resulting audio is supported on everything from Apple to Android devices. Plus, the third-party utility houses basic options for trimming, cropping, and layering various audio effects within an easy-to-use interface.

Download it straight from the AVC website or the Mac App Store to grab the latest freemium or lite version of the software. If using Windows, click the “Free Download” button near the middle of the download page and follow the installation instructions as directed.

Note: There may be some bloatware included with the install, so be careful to choose to “Customize” your install and untick any unnecessary boxes.

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