Free audio conversion software software for windows

Cool Free Audio to MP3 Converter is an all-in-one and super powerful MP3 audio conversion software.
With Cool Free Audio to MP3 Converter, you can convert almost all media including AVI, WMV, MPEG, MP4, ASF, VOB, 3GP, iPhone, MOV and FLV video and MP3, AAC, AC3, AMR, M4A, OGG, and WAV audio to MP3 audio format.
Cool Free Audio to MP3 Converter is very simple and easy to use and with only a few clicks gets the job done.
Main features:
- Convert AAC, AC3, AMR, M4A, OGG, and WAV to MP3 audio.
- Convert AVI, WMV, MPEG, MP4, ASF, VOB, 3GP, iPhone, MOV and FLV to MP3 audio.
- Has intuitive and friendly interface, and works as a wizard, so it is very easy to operate.
Version restrictions:
- Converts one file at a time
- Nag screen

Cool Free Audio to OGG Converter is an all-in-one and professional OGG audio conversion software.
With Cool Free Audio to OGG Converter, you can convert almost all media including AVI, WMV, MPEG, MP4, ASF, VOB, 3GP, iPhone, MOV and FLV video and MP3, AAC, AC3, AMR, M4A, OGG, and WAV audio to OGG audio format.
Cool Free Audio to OGG Converter provides optimized default setting, just a click to start conversion. With Cool Free Audio to OGG Converter the audio encoding just became easier.
Main features:
- Convert AAC, AC3, AMR, M4A, OGG, and WAV to OGG audio.
- Convert AVI, WMV, MPEG, MP4, ASF, VOB, 3GP, iPhone, MOV and FLV to OGG audio.
- Has intuitive and friendly interface, and works as a wizard, so it is very easy to operate.
Version restrictions:
- Converts one file at a time
- Nag screen

1. Full support Intel Pentinum4 Hyper-Threading Processor and Pentium D Processor(820,830 and 840), so fast converting speed.
2. Convert any File and Audio Ripper Audio;
3. Support Preview - You can preview the conversion in the interface without opening any new window;
4. Easy and simple to use the iPod Ripping software for beginners with few clicks;
5. Support previewing before starting converting;fastest conversion speed (>400%) with great Audio quality;
6. Output file size is adjustable to save your iPod space;Allow you to select target subtitle or chapter.
7. Sound normalization.Normalizes sound levels;Output file size is adjustable;Allow you to select target subtitle or chapter.
8. Very fast converting speed and excellent Audio quality;So easy to use that only a few clicks are enough;
9. Codes are all built-in; High quality but low price!!! Optimized for Processor (SSE2/SSE/MMX/3DNow!) and Graphics Card Acceleration.
10. The new version provides more friendly interface,and better quality.
11. Fully optimized for Dual Core, Hyper-Thread processor.
12. Up to 4x faster than other software. Provide >400% converting speed, beyond you imagination;
13. Free Update!!! Very good Day Email Service