1)   ImTOO PSP Music Suite 7.5.36.1521
A multiple used converting tool for almost all popular audio and video formats to PSP music: --- ImTOO CD Ripper can convert audio CDs to PSP MP3 files. --- ImTOO PSP Video Converter converts various video and audio files to PSP supported files.

 2)   OJOsoft PSP Video Converter 1.5.3.0218
It can convert into PSP MP4 video from popular video formats including AVI, MPEG, WMV, MP4, MPG, DivX, 3GP, 3G2, MOV, QT, FLV, DVD(VOB), Xvid, MKV, TS, M4V, ASF etc, and also extract audio from your favorite video/audio files to PSP MP3 formats.