River Past Wave@MP3 is a FREE WAV to MP3 converter and MP3 to WAV converter. It is extremely easy to use. Select the input file, and click “Convert”, that´s it!
Convert your WAVE files to put on your portable MP3 player, or convert your MP3 files to burn to a CD.

Visit Website
Software Developer Homepage

Download
File Size = [...]

FreeRIP is a free software that can record digital audio tracks directly from compact discs, without going through your sound card. You can save tracks as CD-quality WAV files or encode them to Ogg Vorbis and MP3 compressed format.

Visit Website
Software Developer Homepage

Download
File Size = 1.8 MB

Download
From Software Author.

This is a very small but powerfull, audio utility to convert SWF files into MP3 and separate them to each sound element easily and fast. It”s a small but powerful tool to convert your SWF files to MP3 on a mouse click. Simple steps, best results. Batch Convert Feature is also supported. No installation required [...]

Shuangs WAV to MP3 Converter is a free MP3 conversion tool. It is equiped with a standard audio compressed encoder.It can convert WAV into high quality MP3, WMA or OGG files quickly.
Features:
* Select samples per sec
* Select bitrate

Visit Website
Software Developer Homepage

Download
File Size = 1.02 MB

Download
From Software [...]

Switch is a sound file converter for Windows. It can convert many different types of audio files into mp3 or wav format and more.
Switch Converter is very easy to use. Just add the files you want to convert to the list, select the format you want to use, and then click the convert button.

Visit Website
Software [...]

Flv Audio Extractor is a easy-to-use free tool to batch extract audio from flv files. The extracted audio data will be saved as MP3 file so you can play it with Windows Media Player or other audio players. Simply drag and drop your flv files or click the “Add” button to add files to extract. [...]