A free program for Android, by Media Tech Studioz.

You can use this application to convert videos and audio files to different formats, such as mp3 and WAV. You can also use this app to convert videos recorded in a non-standard format, such as OGV. Video Editor-Video Converter lets you convert files to different formats, such as MP3, MP4, MKV, WMV.

You can increase or reduce the size and quality of the video between 360p and 1080p. You can also change the audio speed as you like with the help of Video Editor-Video Converter.