12 Best Free Audio Converters [Win/Mac/Online]

If you're looking to download a safe, high-quality audio converter software, the best way is to check a few programs and then choose the one that works the best for you. In this guide, you’ll find a list of the best free audio converters for your PC or Mac.

Compatibility: Windows, macOS

Movavi Video Converter is one of the best audio converters on the market for converting your audio files for the following reasons:

• Speedy. Movavi Video Converter converts source files to MP3 quickly, so you don't have to wait around a lot to get it done.
• Maintains quality. The program converts your media files with a minimal quality loss.
• No size limits. You can convert a song or audio file to MP3 without having to worry about how big it is.
• Presets. There are presets for specific MP3 devices to make it easier.

Additionally, the converter has an easy-to-navigate interface that isn't hard to figure out. It also offers lots of advanced options like setting the quality, adjusting the audio volume and removing noise, trimming your track, and more. Another advantage that Movavi Video Converter has is that there's a full list of instructions on how to use the converter tools right on the site. 

Input formats supported: AAC, AC3, AIF, AIFF, AIFC, APE, AU, SND, F4A, FLAC, M4A, M4B, M4R, MKA, MP3, Ogg, Opus, WAV, WMA, ADTS, ALAW, AMR, APC, CAF, DTS, GSD, GSM, M2A, MLP, MMF, MP+, MP1, MP2, MPC, MPEG-3, OMA, QCP, RA, RMJ, SHN, SND, TTA, VOC, W64, XA

Output formats supported: AAC, AC3, AIFF, AU, F4A, FLAC, M4A, M4B, M4R, MKA, MP3, Ogg, WAV, WMA

You can find some additional information in this review:

Read the review by TopTenReviews

Compatibility: Windows, macOS

This program is known for its quick conversions. Additionally, it's known for supporting just about every audio format with any kind of popularity. It has many of the other popular options as well, such as batch conversion and the ability to automatically normalize the audio in your source file.

It has the usual audio file formats like WAV, WMA, AAC, RAW, DVF as well as many others. You can compress audio files through the program if you choose to do so as well. The converter will even take audio from a video if you like.

Input formats supported: almost all

Output formats supported: AAC, AC3, AIF, AIFF, AIFC, AMR, APE, CAF, CDA, DTS, FLAC, M3U, M4A, M4B, M4R, MP1, MP2, MP3, MPC, Ogg, Opus, PLS, RAW, SPX, VOX, WAV, WMA, WPL

To get more details, check the review by TopTenReviews:

Check the review at the TopTenReviews website

Compatibility: Windows, macOS

If you're looking for a fast conversion, try AceThinker Video Master with its Hardware Acceleration technology. The program can convert any audio files while preserving its original quality. It supports converting audio to several formats like MP3, WAV, AAC, and more, and you can perform a bulk conversion to speed up the process.

Video Master lets you convert audio files into some supported audio formats for gadgets like Android and iOS phones. Apart from its conversion functions, the program has other features. One of them is the Metadata editor that lets you rename the title, artist, album, and music file genre. Also, the app can compress the converted audio file so you can save more music on your devices.

Input formats supported: MP3, WMA, WAV, M4A, Ogg, FLAC, AAC, AIFF, APE, etc.

Output formats supported: WMA, MP3, AAC, Ogg, WAV, MKA, AIFF, M4A, etc.

Here’s what FinancesOnline says about the program:

Find out more about the app at the FinancesOnline website

Compatibility: Windows, macOS

Total Media Converter can convert from DVDs as well as from audio or video formats. It can even take audio files from homemade DVDs, if that's what you want to do. The program should be able to convert whatever your source audio is to file types specifically designed to work on popular media devices. You can edit the sound file on it, and the interface should be quick to use for those who desire speed.

Input formats supported: AAC, AIF, AIFF, CUE, FLAC, M4A, MP3, MP2, APE, Ogg, AC3, RA, RAM, AU, WAV, WMA

Output formats supported: AAC, AC3, AIFF, AMR, AU, FLAC, M4A, MKA, MP2, MP3, Ogg, WAV, WMA

This review gives more details:

Read the TechRadar’s review at their website

Compatibility: Windows

Audials can convert audio files, videos, and movies to whatever device you want in the audio type that you want. It works on audiobooks as well as just about anything else. The program can take care of DRM troubles as well. They will convert into WMA, MP3, or AAC. It only takes a few minutes to make the conversion using this software, and then you can be on your way immediately.

This audio converter software works with many audio file formats including more rare ones like RAM, PVF, XA, AC3, and many others. It will take these audio formats and output them into options like WMA Pro, CAF, AIFF, MP3, AU, and many others. The option is free to try out but has some cost to it over the long run.

Input formats supported: 4XA, 722, AA, AAC, AAX, AC3, ACT, AEA, AIF, AIFF, AMR, APC, APE, AU, AUD, BIK, DTS, EAC3, FLAC, GSM, IRCAM, ISS, M4A, M4B, M4P, MP2, MP3, MPC, Ogg, OMA, PVF, QCP, RAM, SOL, VQF, W64, WAV, WMA, WV, XA

Output formats supported: AAC, AIFF, AU, CAF, FLAC, M4A, MP3, WAV, WMA, WMA

Here’s a review for Audials software by TechRadar:

Read the review at the TechRadar’s website

Compatibility: Windows, macOS

This tool can both extract and convert audio files from any source that you want in order to get the audio files that you need. These audio files include options like WAV, AAC, MP3, FLAC, and a number of others. The program does the batch conversion and can convert a single file into many different other files all at the same time. It will also allow you to convert to a specific size as well in order to make sure that you don't end up with a file that's too big since this can often happen when it comes to huge audio files like the kind that serves as the background music to movies. After all, you don't want to end up with a file format that is so big that it's hard to move around easily.

Input formats supported: MP3, WMA, AAC, WAV, CDA, Ogg, FLAC, APE, CUE, M4A, RA, RAM, AC3, MP2, AIFF, AU, MPA, AU

Output formats supported: AAC, AC3, AIFF, APE, AU, FLAC, M4A, MP2, MP3, Ogg, RA, WAV, WMA

Compatibility: Windows, macOS

This free download is for professional audio conversion into whatever format you prefer. It's worth noting that the free version of this program allows you to only download a third of the length of the full file, so you should keep this in mind as you're deciding whether you want the free version or a more premium, paid version. You can download the program for either Macintosh or Windows, depending on your preference when you initially go to get it from the main site.

It also has the option to allow you to do batch conversion, as well as edit individual files, merge them together. You can also create GIFs and metadata as well if this is something you want to do with the files that you decide to convert. The tech specifications for the program require 250 MB of space on the hard disk, and 2 GB of memory RAM for a PC. If you're downloading the Mac version, you need only 1 GB. It can handle anything from Windows 8 and up if you're going with the option to download it on PC. There are also guides on the site for learning how the tool works.

Input formats supported: MP3, M4A, AAC, WMA, WAV, AC3, ACC, AIFF, MP2, M4B, MKA, M4R, APE, OGM, FLAC, Ogg, AU

Output formats supported: MP3, M4A, AAC, WMA, WAV, AC3, ACC, AIFF, MP2, M4B, MKA, M4R, APE, OGM, FLAC, Ogg, AU

Get more information about the program from TopTenReviews:

Check the review at the TopTenReviews website

Compatibility: Windows

Freemake Audio Converter is a versatile digital tool for PC users that supports converting audio files among over 50 formats, including MP3, WAV, FLAC, and AAC. It also can turn audio to MP3 and MP3 to audio. The app excels in extracting audio from video files, making it a robust audio-to-video converter.

This freeware delivers high-quality conversions and offers customizable bitrate settings. It supports batch conversion with no limit on the number of files, and includes a built-in downloader for converting audio from online links. Freemake is a reliable transcoder and file changer and a comprehensive solution for all your audio conversion needs.

Input formats supported: MP3, WMA, WAV, M4A, Ogg, FLAC, AAC, AIFF, APE, AMR, AC3, DTS, M3U, MOV, MP4, and RM

Output formats supported: MP3, WMA, WAV, M4A, AAC, Ogg, FLAC, AIFF, and AC3

To learn more about the program, check the review by TopTenReviews:

Check the review at the TopTenReviews website

Compatibility: Windows, macOS

MediaHuman Audio Converter is a freeware designed for seamless audio conversion on both Windows and macOS. It supports a wide variety of formats, including MP3, AAC, WMA, Ogg, and FLAC. And it facilitates audio to MP3 and MP3 to audio conversions. 

This tool is ideal for professional users, offering features like batch processing and maintaining high audio quality through customizable bitrate settings. MediaHuman also supports extracting audio from video files and includes a built-in downloader for direct conversion from online links to your computer.

Its straightforward interface makes turning and changing audio files easy, no matter the size of your conversion tasks. Plus, the program includes a variety of output settings and organizational tools to manage large audio libraries efficiently. It’s a versatile and reliable choice for digital audio conversion.

Input formats supported: AAC, AIFF, ALAC, APE, FLAC, M4A, MP3, Ogg, WAV, WMA, and WavPack

Output formats supported: AAC, AIFF, ALAC, FLAC, M4A, MP3, Ogg, WAV, WMA, and WavPack

Compatibility: Windows

VSDC Free Audio Converter is a powerful digital audio conversion tool for PC users. This freeware supports a broad range of formats and excels in converting a video to audio. You’ll get high-quality output with its adjustable bitrate settings, and the software includes a downloader for converting audio directly from online links. 

The converter allows for batch conversions with no limit on file size or number, making it efficient for processing large collections of audio files. And it also has tools for editing and managing audio tags, further enhancing its utility for users looking to organize and refine their audio libraries.

Overall, VSDC is a comprehensive, user-friendly solution for all your audio conversion needs.

Input formats supported: MP3, ASF, WMA, M4A, MP4, AAC, RA, RM, Ogg, AMR, AU, VOC, AIFF, WAV, and FLAC

Output formats supported: MP3, WMA, WAV, M4A, AAC, Ogg, FLAC, AIFF, AU, and VOC

Compatibility: any, works online

If you don’t want to install any additional software to your computer, opt for an online converter. Online Video Converter supports all common audio file formats, so you don’t have to worry about the compatibility. It’s extremely easy to use – drag and drop your file into the interface, select your target format, and that’s it. With this online converter, you can also easily extract audio from a video.

Input formats supported: AAC, AC3, AIF, AIFC, AIFF, AU, CAF, DTS, FLAC, GSM, M4A, M4B, M4R, MKA, MMF, MP2, MP3, MPA, OGA, Ogg, Opus, RA, SND, VOC, WAV, WMA

Output formats supported: AAC, AC3, AIF, AIFF, AU, CAF, DTS, FLAC, GSM, M4A, M4B, MMF, MP2, MP3, MPA, OGA, Ogg, Opus, RA, VOC, WAV, WMA

Compatibility: any, works online

Convertio is another popular online converting tool available for free. It’s entirely cloud-based and can be easily accessed from any platform or device. With Convertio, you can convert between popular audio and video formats, including video-to-audio conversion. Additionally, Convertio deletes converted files after 24 hours for privacy.

Input formats supported: AIF, AIFF, AAC, AMR, AC3, 3GA, AU, CAF, FLAC, M4A, M4R, MP2, MP3, MPGA, OGA, Ogg, OMA, Opus, QCP, WAV, WEBM, WMA, and more

Output formats supported: AAC, AC3, AIF, AIFC, AIFF, AMR, AU, FLAC, M4A, M4R, MP3, MMF, OPUS, OGG, RA, WAV

With so many choices available, it’s not always easy to find a reliable online audio conversion tool. When making your decision. Consider these key factors to ensure a smooth and efficient conversion experience:

• Easy-to-navigate interface. Choose software with a clean, intuitive design that doesn't overwhelm you with ads or unnecessary features.
• High-quality export. Find a converter that maintains the original audio quality when exporting.
• Supported audio formats. Opt for software that supports a wide range of audio formats and offers customization options for output settings.