Best Audio Converter Software of 2018

Billy Bommer ·
Writer/Reviewer
Updated
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We researched and evaluated 15 audio converter software options that range in price from free to $39 – narrowing that list down to the best choices available. We tested the conversion speed and ease of use for each converter, and examined each unit’s features. We believe Switch Plus Edition is the best audio converter for most people because it has all the major import and export formats, and it can convert faster than any software we tested. If you need to convert a large number of files quickly, this is the best option.

Best Overall

Switch

Switch can convert between more than 40 file formats and is available on Windows and Mac. This software can batch-convert thousands of files faster than any converter we tested.
Best Value

Freemake Audio Converter

Freemake has a limited number of export formats, and it is slow. However, the user interface is easy to navigate and you can download the full version for free.
Worth Considering

Audials Tunebite Platinum

Audials Tunebite Platinum is compatible with 40 import formats and can convert to 11 output formats. It isn’t as fast as Switch, but its streaming content recorder is the most impressive.
Best Overall

Switch

Switch is the fastest audio converter software we tested. To test the speed of each converter software, we timed how long it took to convert a 625MB WAV file to a 26MB MP3 file.
This converter took just 40 seconds to compress that file, which is 23 seconds faster than the second-fastest time we clocked. Speed of conversion may not be important if you need to convert only a couple of files, but if you want to convert your entire music library, a fast converter could save you hours. Switch has a batch-converter feature that allows you to put thousands of files in a queue and let the software do its job without monitoring. This converter software, which can be purchased for Windows and Mac computers, is compatible with 40 audio formats that can be converted to 26 output formats. Not only can this software convert audio from larger lossless formats to smaller formats to save space, it can extract the audio from DVD and other popular video formats like AVI, MOV and MPEG. Switch has a feature that allows you to record audio from popular streaming services like Spotify and Pandora. The Audio Stream Wizard can convert a radio playlist to MP3 so you can upload it on your phone and listen whenever you want without using cellular data or Wi-Fi.
Pros
  • Fast conversion
  • Impressive import and export format list
  • It can record audio from streaming services
Cons
  • More expensive than the average converter software
  • The user interface looks outdated
  • It can’t record streaming video
Best Value

Freemake Audio Converter

Freemake is the easiest audio converter software available. To convert a file, you simply choose the file you’d like to convert, choose the output format and click the convert button.
It supports more than 50 import formats and can convert to eight output formats, including lossless formats like OGG and FLAC, and lossy formats like MP3 and AAC. The import list is on par with the best converter software we tested, but it’s missing a few of the lesser-known export formats. The most glaring inefficiency of free audio converter software is the time it takes to convert a file. Freemake took four times as long as the fastest converter in our comparison – Switch – to convert a 625MB WAV file to MP3. That may not seem like a big deal if you have only a couple files to convert, but if you are converting a large library of music, it will take much longer. Freemake does have a batch-convert feature that allows you to put multiple files in a conversion queue so you can leave the software to do its job and focus your attention on something else. We were hesitant to recommend free converter software because of the malware and adware normally associated with free software. Freemake downloaded on our test computer without packaging any unwanted software and showed no signs of corrupting the hard drive with malicious add-ons. Make sure to download the program directly from the vendor; avoid third-party download sites.
Pros
  • It’s free
  • User-friendly interface
  • It can import all the necessary audio formats
Cons
  • Slow conversion
  • You must download a separate program to convert video files
  • It can’t record audio or video from streaming services
Worth Considering

Audials Tunebite Platinum

Audials Tunebite Platinum is the most expensive audio converter software in our comparison, but this software has the most comprehensive feature set of all the converters we tested.
It can convert more than 40 import formats to 11 output formats. That covers all the major files types you’ll need to quickly compress your music library and play it back on any music player or mobile device. Unfortunately, this software isn’t compatible with Mac operating systems, but you can use it with Windows 10, 8 and 7. The streaming content recorder is the most impressive feature of this converter software. It can record audio from your favorite streaming services, like Pandora or Spotify. Not only does it record the audio, but it also separates each song and organizes by artist and song title. You can record an online radio station and convert the files to smaller MP3 files, or if you have a lossless streaming service, like Tidal, Audials will keep the files lossless and convert them to FLAC. We focused our testing efforts on the quality and speed of audio conversion, but Audials can also convert 45 video formats to 11 output formats. You can extract audio from video files, or record a video from streaming services like Netflix or Amazon Prime Video and save it on a computer or mobile device in a smaller format so you can watch it later without using cellular data or Wi-Fi.
Pros
  • It can record audio and video from popular streaming services
  • It covers all important import and export formats
  • Fast and organized conversion
Cons
  • It isn’t compatible with Mac
  • Expensive
  • The user-interface is intimidating at first glance

Why Trust Us?

Now that CDs have traveled down the same road to obsolescence as cassette and eight-track tapes, the ability to effectively archive your music library in the digital realm has become a valuable commodity. We tested all the features of free and for-pay audio converter software to make sure we recommend a product that can handle all your audio manipulation needs for current and future music formats.

I have been using file compression and music archiving software since the popular music fire sale that came along with file-sharing sites like Napster in the mid-’90s. That phenomenon taught me an important lesson about the value of high-quality music playback versus having enough music on a device to last through retirement. I found myself buying CDs even though I had the same album in a compressed digital format because I knew the CD would sound better. The technology advancements in audio converter software now afford us the ability to extract high-quality audio from CDs or streaming services, and duplicate those files and convert them to lossy formats, like MP3, to make the files smaller and playable on mobile devices.

Although there are free software options, like iTunes, that can extract audio from a CD and convert it to smaller and more manageable file size, we found through our testing process that you can spend less than $40 on a good audio converter software and future-proof your ability to gather, archive and share music efficiently. We also recognize that you may have a temporary need to convert a few files, so we tested the best free audio converters so we could recommend a product that won’t introduce adware and spyware on your computer.

How We Tested

If for-pay audio converter software is to compete with free converter software, it must be fast and easy to use. To test conversion speed, we timed how long each product took to convert a 625MB WAV file to a 25MB MP3 file. We used those file formats because they are the most common among digital music users.

We tested the ease of use for every product in our comparison by taking note of how easy the software was to install and, once the software was installed, how many clicks of the mouse it took to convert a file. We report our conversion speed and ease-of-use testing results in each product’s review.

Important Attributes of Audio Converter Software

Import and Export Formats
It is important for an audio converter to be capable of importing all available audio formats and converting them to a format you can use. There are more than 50 audio file types in use today, and the best converter software programs can work with all of them. The free converters we tested can import the popular lossless formats, like WAV and FLAC, and convert them to popular lossy formats, like MP3 and AAC, but the best for-pay converters can also import lesser-known formats, including proprietary audio formats from companies like Sony, Microsoft and Yamaha.

Conversion Speed
Speed may not be an important consideration if you need to convert just a few files. However, a fast converter software could save you hours if you have a lot of files to convert, or find yourself converting files often. Slow conversion speed is the biggest downside when using free converter software.

Extraction Capabilities
The best audio converter software programs can not only convert and compress files, but they can also extract audio from video files, streaming services and CDs. If you use streaming services like Spotify or Pandora, some of the audio converters we tested can record a playlist and convert the songs to small files so you can upload them on a mobile device and listen without using cellular data or Wi-Fi. One of the converters we tested can also record streaming video from services like Netflix and Amazon Prime Video.


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