Unbiased Review of the Top 7 MP3 to WAV Converters

With dozens of converters available, choosing the right one can be challenging. Some prioritize fast batch conversion, while others focus on metadata preservation or output quality. In this post, we tested the best MP3-to-WAV converters offline and online. We evaluate each tool based on quality, speed, batch conversion, and metadata preservation. Whether you need a free converter or a powerful solution, you’ll find the best options here.

Quick Picks

Best Overall MP3 to WAV Converter: TopVox is our top pick because of its fast batch conversion, metadata preservation, and lossless output quality.

Best Free & Open-Source:VLC is our recommended tool for those seeking a free solution for converting audio files.

Best for macOS:XLD is our best pick for Mac users because of its accurate lossless audio conversion.

Part 1. How to Choose the Right MP3 to WAV Converter

MP3 vs. WAV: What's the Difference?

Before choosing a converter, it's helpful to understand the difference between MP3 and WAV. MP3 is a lossy compressed format that reduces file size by permanently removing unnecessary audio data. Meanwhile, WAV is an uncompressed audio format that preserves the full audio signal.

What Makes a Good MP3 to WAV Converter?

• • A reliable MP3-to-WAV music file converter should accurately decode the MP3 file without distortion.
• • The best converters use hardware acceleration to reduce waiting time when converting large files.
• • A good converter should support batch conversion, allowing multiple MP3 files to be converted simultaneously.
• • A recommended converter should retain important metadata to help organize your music library after conversion.

How We Tested

• • We tested each converter using the same audio files: 100 MP3s with varying bitrates.
• • We use Windows 10 Pro (64-bit), powered by AMD Athlon 3000G with Radeon Vega Graphics processor, 12 GB RAM, and an AMD Radeon(™) Vega 3 Graphics.
• • We evaluate each converter’s audio quality, speed, batch conversion, and metadata preservation.

Part 2. Full List: 7 MP3-to-WAV Converters

Part 3. Detailed Review of 7 MP3-to-WAV Converters

TopVox All Music Converter

TopVox All Music Converter is, by default, an all-around music streaming downloader and converter. When you explore it, you will find additional tools in the Tool section, including the Format Converter. With it, you can convert MP3 to WAV, MP3, FLAC, M4A (AAC), M4A (ALAC), and AIFF. It supports simultaneous conversion of more than one file at 35× faster speed. It outputs the WAV file without altering the original audio source settings and keeps all metadata.

Step 1. Download the MP3-to-WAV converter and complete the setup.

After installing TopVox, head to the Tools tab and select Format Converter.

Step 2. Drag the MP3s, or click +Add Files to import them from your computer. TopVox does not limit the number of files you can upload, so you can upload more than one.

Step 3. Navigate to the Output Format picker and select WAV as your target format. Set the output folder, then click Convert All to begin the conversion.

We tested TopVox using 100 MP3 files totaling 1.8GB with varying bitrates. In our test, it completed the batch conversion in just 1 minute and 42 seconds. There were no 0 failed conversions, and every file played perfectly. TopVox also works in reverse, allowing you to convert WAV to MP3 for universal playback.

VLC Media Player

VLC is not just a software for listening to music and playing video files. Well, it is not limited to this; it also includes a hidden MP3-to-WAV converter freeware. The Convert/Save tool allows you to convert MP3s to various formats, including WAV.

To convert: Click +Add in Open Media to load the MP3 files, then click Convert/Save to proceed. In the Convert window, select WAV in the Profile picker and click Start to convert.

To compare VLC’s conversion capabilities, we use the same 100 MP3 files as the source files. However, when we were around the 15th queue, VLC suddenly crashed.

Freemake Audio Converter

Freemake Audio Converter is a Windows-based MP3-to-WAV music file converter. It can convert unprotected MP3 files to and from 50+ audio formats, including WAV. You can also extract audio from videos and save it to lossless formats.

To convert: Open Freemake and click + Audio to select the MP3 files. Select to WAV as your profile, then click Convert to change the format.

Freemake completed the batch conversion of 100 MP3s in just 4 minutes and 20 seconds. However, there are 36 failed conversions because it cannot convert DRM-protected audio (See DRM meaning here).

XLD

XLD, or X Lossless Decoder, is a Mac OS X tool you can use as a free MP3-to-WAV decoder. It can decode MP3 files and convert them to lossless WAV format. It uses native decoding libraries to deliver fast and bit-accurate conversions.

To convert: In XLD, click General, go to Output Format, and select WAV. Navigate to File and select Open to add the MP3 sources. Then, click Open to decode and convert MP3 to WAV.

In our test, XLD handles batch conversion (100 MP3 files) without slowdowns. However, it does not allow changing bit depths or arbitrary sampling frequencies in all container types.

Foobar2000

Foobar2000 is a freeware audio player for playing mainstream audio formats. If it’s an audio player, you're probably asking yourself, how do I convert from MP3 to WAV ? Foobar2000 includes a powerful built-in Converter component for converting audio files.

To convert: Drag the MP3 file into the playlist, right-click the selection, and click Convert. Select ... (3dots) and set the output format to WAV, then click Convert to process your files.

We tested foobar2000 on Windows Pro 10 and completed the conversion in 3 minutes and 10 seconds. However, converting an MP3 here takes way too many clicks.

Zamzar

Zamzar is an online MP3-to-WAV converter that has been around for decades. Since it operates entirely online, you don't need to install anything on your computer. You only need an internet connection and a web browser to convert files. It also supports converting FLAC to MP3.

To convert: Navigate to Zamzar and click Choose Files to add the MP3 from your computer. Select WAV under the Audio category, then click Convert to upload and process the file.

Zamzar is best used for occasional conversion only. Since there is a file size limit in the free version, we can convert only 13 MP3 files, totaling 46 MB.

Fre:ac

Fre:ac uses a multi-threaded conversion engine to process large music libraries efficiently. Beyond WAV, it can convert M4A to MP3, FLAC, AAC, WMA, Opus, and other formats. See the quick instruction guide below to learn how to convert MP3 to WAV:

To convert: Drag the MP3 files into the main job list window. Navigate to the Green Play button, click SndFile Output Component v1.2.0, and select Microsoft Wave Files (.wav).

In our test, fre:ac completed the batch conversion (50 MP3s) in 3 minutes and 33 seconds. However, it takes us almost a day to master using it.

Part 4. Common Problems and How to Fix

Even the best MP3-to-WAV converter can run into issues. Below are some common problems you may encounter after converting MP3 files to WAV, along with practical solutions.

• • Converted WAV File Won’t Play: If your converted WAV file won’t play, be sure the output format is standard PCM WAV. Try converting the original MP3 to PCM WAV.
• • Metadata Disappears: Some converters don’t automatically transfer ID3 tags from MP3 files to WAV files. Use a converter that supports metadata preservation, such as TopVox.
• • File Is Too Large; Is That Normal?: Yes. This is completely normal. Unlike MP3, WAV stores audio in an uncompressed format. As a result, WAV files are much larger.
• • Batch Conversion Is Too Slow: Batch conversion speed depends on your computer’s hardware and the number of files being processed. Choose software optimized for batch processing, such as TopVox or fre:ac.

FAQs about MP3-to-WAV Converters

Conclusion

Choosing the best MP3-to-WAV converter depends on how you plan to use your audio files. Remember, converting MP3 to WAV does not improve the original audio quality. This is because conversion cannot recover the audio data that was removed during MP3 compression. If you want the fastest performance, reliable batch processing, and metadata preservation, TopVox All Music Converter is our top overall recommendation.