Converting wma to mp3 in bulk without changing directory

I have thousands of music tracks in WMA format from when I used to use Windows Media Player to rip CDs. Now I’m having problems playing them on my Linux desktop at work.

Is there a good solution (for Windows or Linux) for converting all the WMAs to MP3s while leaving them in the same directories as before? I tried using iTunes to do it, but it started creating new directories to store all the converted tracks, which I don’t want.

Super User Asked on November 14, 2021

6 Answers

6 Answers

Here's the script example for a QNAP NAS that converts all of them:

find . -iname "*.wma" -exec bash -c 'NAME="{}" && ffmpeg -y -i "$NAME" -ab 192k "${NAME/.wma/.mp3}" && rm "$NAME"' ;

All tags, including the embedded png cover art, are preserved.

Answered by larry on November 14, 2021

This one finds the WMA files, converts them to MP3 with a clean extension name of .mp3 instead of .wma.mp3 and deletes the old file. This has been tested to work on Fedora 19 while searching WMA files through 150 GB worth of files that are arranged by artist/album/<disk number>/file.

find . -iname "*.wma" -execdir bash -c 'NAME="{}" && ffmpeg -y -i "$NAME" -ab 192k "${NAME/.wma/.mp3}" && rm "$NAME"' ;

Answered by Randell on November 14, 2021

This added flag will tell ffmpeg to try and preserve the ID3 tags:

find . -iname "*.wma" -execdir ffmpeg -i {} -ab 192k **-map_metadata 0:0** {}.mp3 ;

Answered by normod on November 14, 2021

If you have thousands of files, then this will take forever.

find . -iname "*.wma" -execdir ffmpeg -i {} -ab 192k -map_metadata 0:s:0 {}.mp3 ;

(Older versions of ffmpeg may need -map_meta_data instead of -map_metadata, 0:0 instead of 0:s:0.)

(Newer versions of ffmpeg can use -map_metadata 0 -movflags use_metadata_tags instead of -map_metadata 0:s:0)

I tested this on Ubuntu 16.04. If you haven't already, you need to install the packages ffmpeg and libavcodec-extra-52.

Start this command from the parent directory that contains all your WMA files. It will search through all subdirectories for any file with a .wma extension and attempt to convert it to MP3. If the source file is named Awesome Song.wma, the new file will be Awesome Song.wma.mp3 and will be in the same directory as the source file.

If you normally user a bitrate higher or lower than 192k, change the -ab 192k flag to whatever you want.

Answered by William Jackson on November 14, 2021

Free Mp3 Wma Converter 1.95 will definitely get your job done.

Answered by Claudiu Constantin on November 14, 2021

I've never tried this software but it looks promising and it's free.

WMA to MP3 tutorial.

Answered by bzsparks on November 14, 2021

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