Software & Apps Backup & Utilities Convert WAV to MP3 Using Switch Fit more songs on your portable by converting large WAV files to MP3s Share Pin Email Print Backup & Utilities Design Cryptocurrency MS Office Windows Linux Google Drive Apps File Types Backup & Utilities View More By Mark Harris Writer Mark Harris is a former writer for Lifewire who wrote about the digital music scene and streaming music services in an easy to understand, no-nonsense manner. our editorial process Mark Harris Updated July 20, 2019 WAV to MP3 is a common conversion because while the WAV file format is great for maximizing audio quality, it's not so great when it comes to file size. In fact, WAV files are often huge since the audio is usually uncompressed. Fortunately, it's easy to convert WAV to MP3 to save space when you use Switch. Switch is a free program for Windows. To convert WAV to MP3 on a Mac or another operating system, see the information at the bottom of this page for alternative WAV converters. How to Convert WAV to MP3 With Switch Here's how to save WAV to MP3 for free using Switch. Download Switch (use the Get it Free link on the right side of the download page) and install it using the default install options. Select Add File(s) to find the WAV files you want to convert to MP3. Choose more than one file by selecting the Ctrl key. Jon Fisher Select Open. Confirm the Save to folder location at the bottom of the program, or select Browse to pick a different one. From the Output Format dropdown list, choose .mp3. Select Convert to start converting the WAV files to MP3. The files will be stored in the folder you chose in Step 4. A Conversion complete message at the bottom of Switch confirms when the audio files have been converted. Select Open Folder or Open File to see the converted files. Other WAV to MP3 Converters Both WAV and MP3 are popular audio file formats, so there are several ways to convert WAV to MP3 that don't involve the Switch program mentioned here. If you don't want to use Switch to convert WAV to MP3, there are other free audio converter software programs that will do the job for you. There are even online WAV converters like FileZigZag so that you don't have to download and install anything on your computer.