By using media splitter-merger-trimmer you can:

• split videos to multiple parts
• merge multiple video files and save it as a file
• trim videos by specifying start time and end time
  Video splitter and trimmer support all these video files:
  MP4, AVI, WMV, MKV, 3GP, TS, FLV, MOV, MPG, OGV, 3G2, WEBM, VOB, SWF, M2TS, M4V, ASF, QT, RMVB, WTV, MXF, F4V, 3GP2, 3GPP, 3GPP2, DIVX, XVID, RM, M2V, MPEG and MTS

Audio splitter and trimmer support all these audio files:
MP3, M4A, ALAC, FLAC, WMA, WAV, AMR, OGG, AAC, AIFF, GSM, DTS, VOC, SPX, VOX, OPUS, TTA and AWB

Video merger supports all these video files:
MP4, WMV, MKV, MOV, 3GP, AVI and TS

Audio merger supports all these audio files:
MP3, WMA, WAV, M4V, ALAC, FLAC