Once I used different softwares to convert between the following, and so tiered

1.  MP4 to 3GP
2.  AVI to 3GP,
3. FLV to 3GP,
4.  MP3 to WAV
5. AMR to MP3
6. JPG to PNG
7. For video cutting and Joining
8. For audio cutting and joining
9. For image coversion

Each and every time I Google for new and better video and audio converter....I hesitated....

After a long wait I found one such great, fast and reliable converter, which can converts not only between a wide range of video and audio, it can also convert images and also capable to edit audio and videos (cutting and joining), is not it great???

Yes man this software can a lottttttttt

FORMAT FACTORY

This is great tool for them who use different gadgets. The conversion time is very less, tool do not require any other codecs (all come in a pack).

Format Factory is a multifunctional media converter.
Provides functions below:
All to MP4/3GP/MPG/AVI/WMV/FLV/SWF.
All to MP3/WMA/AMR/OGG/AAC/WAV.
All to JPG/BMP/PNG/TIF/ICO/GIF/TGA.
Rip DVD to video file , Rip Music CD to audio file.
MP4 files support iPod/iPhone/PSP/BlackBerry format.
Supports RMVB,Watermark, AV Mux.
Format Factory's Feature:
1 support converting all popular video,audio,picture formats to others.
2 Repair damaged video and audio file.
3 Reducing Multimedia file size.
4 Support iphone,ipod multimedia file formats.
5 Picture converting supports Zoom,Rotate/Flip,tags.
6 DVD Ripper.
7 Supports 62 languages

OS requirements: All Windows OS
Download Format Factory here