How to convert flac to MP3 with audacity

Updated July 17, 2018

While many audiophiles enjoy high-quality audio formats such as .flac, sometimes an .mp3 version is also necessary. Mp3 files have lower sound quality due to compression, but they take up far less space on one's hard drive or mp3 player. Audacity is a simple and free program that can easily convert one format to another. It is a must-have program when it comes to music creation, editing or formatting. It's powerful, can handle just about any audio task, and, best of all, it's free.

Download the proper version of Audacity needed for your computer's operating system from the Audacity downloads page (see References).

Install Audacity from the program you just downloaded.

Open Audacity and go over its features. Note the familiar tape-deck-style buttons at the top: rewind, play, record, pause, stop and fast forward.

Download the appropriate LAME mp3 encoder for your operating system (see References).

Double-click the mp3 encoder program to install it, following the instructions in the set-up program. Do not change the destination folder.

Note the destination folder. You will need this information the first time you convert a file to .mp3 format.

Select "export as mp3" to convert the entire .flac file to .mp3 format. Audacity will prompt you for the location of the LAME encoder file.

Select the LAME mp3 encoder file from the folder in Step 3 above. Click "Open," then "OK."

View the Audacity workspace to ensure the .flac conversion processes properly. If necessary, select "Export as mp3" once again, and choose a file name and destination when the "Save file as" prompt appears.

Note the audacity workspace window. The mp3 filename should be in place. Play the file to ensure it works properly.


Always play the audio before and after conversion to ensure it works properly. Volume levels and file lengths can be adjusted within Audacity.

Things You'll Need

  • Computer running Windows, Mac or Linux
  • Audacity program
  • LAME mp3 encoder for Audacity
  • Audio source file in .flac format
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About the Author

Kathy Adams is an award-winning journalist and freelance writer who traveled the world handling numerous duties for music artists. She writes travel and budgeting tips and destination guides for USA Today, Travelocity and ForRent, among others. She enjoys exploring foreign locales and hiking off the beaten path stateside, snapping pics of wildlife and nature instead of selfies.