How do I convert mp3 files?

My windows 7 will not convert any wav fiels to mp3 files? I recorded hip hop vocals in audacity recording software program, and I got the lame codec that allows you to export the file as mp3, and I specify the file to go to my desktop, but it the file...

Hi, I'm making a Jukebox for My Chatroom, the only problem is I can only upload MP3 files for it and 90% of the Songs on My Media Player are WMA Files. I need to know how I can convert My WMA Files to MP3 Files. Any help would be VERY appreiciated Thanks...

how do i convert mp3 files to files that will work on a cd player that only supports compact disc digital audio because i've got a cd player that doesn't work when i put mp3 files on a cd any help please thanks

I have a dsi and i want to download Mp3 songs into it, i've heard it was possible, unless you change it into an ACC file. How do i do it? When i download an Mp3 song, and transfer it into Itunes, I right click. And there is no convert into acc file or...

i need to convert mp3 files to wav files so i can fit more music in my mp3. i was wondering how can do so and if it is possible.

ok, so i downloaded some music of youtube using youtube downloader. i want to listen to them on my radio, i can use sd cards or usb's. sadly it doesn't read video files, any ideas how i can convert them to a mp3 file so that it works on the radio? (...

I wanna know ho i can convert .song files to .mp3 files. if thats not possible do programs liek sony acid open .song files?

How do I convert .amr files to .wav or mp3? .amr audiofiles are what my Nokia cell phone produces when you use the voice recorder. how can I batch convert these into wave or mp3 files? nokia has a Multimedia player in their PC Suite that I just downloaded...