These days most of the mobile phones comes built in with video players and cameras, unfortunately the mobile phone video players do not support most of the popular formats such as AVI, WMV, MPEG etc.
Most mobile phones use the 3GP format to play videos on them. To view your regular videos on your mobile phone you will always need to convert them into the 3GP format, here is the definition of 3GP as provided by Wikipedia.
3GP is a simplified version of the MPEG-4 Part 14 (MP4) container format, designed to decrease storage and bandwidth requirements in order to accommodate mobile phones.
There are lots of convertors available to convert AVI, MPEG, WMV and other formats to 3GP here are some of the best 3GP video convertors that are available for use free of cost.
Freez 3GP Converter
Freez 3GP Video Converter supports most popular video formats to be converted to 3gp video, including AVI, DivX, Xvid, MPEG 1/2/4, VOB, WMV, ASF, MP4, MOV, RM, RMVB, Flv, SWF etc. You can create both 3GP and 3G2 video files.
You can set the video size, quality, framerate, audio bitrate, frequency, and channel for the output videos. Freez is completely free to use and there are no restrictions on the functionality of the software.
Movie 2X 3GP Converter
Movie2x free 3GP Converter is convenient and quick DVD software which converts DVD and video files to 3GPP (3gp) and 3GPP2 (3g2) formats for cellular phones. High speed, various settings options, excellent quality. Easy to use both for beginners and advanced user.
Movie 2X 3GP is completely free to use and there are no restrictions on the functionality of the software.
Apex 3GP Converter
Apex 3GP Video Converter allows you to convert videos from most of the popular formats including AVI, DIVX, MOV, QuickTime, MPEG, VCD, DVD, WMV, ASF, RM, RMVB to 3GP format.
The conversion speed is pretty fast and it also allows you to convert multiple videos at once. There is a limitation in the free version.
Other Free To Use 3GP Converters With Limitations
If you know of any other software that helps users convert videos to 3GP format please feel free to leave a comment about it.