SUM Editor
  • SUM Editor edit videos without re-encoding. (without losing quality)
  • Edit videos quickly in several mouse clicks.
  • Supported Formats
    File format File extension CODEC
    AVI avi AVC/H.264, Xvid, DivX, AC3, DTS, AAC, MP3 ...
    ASF(WMV) wmv, asf WMV1(7), WMV2(8), WMV3(9), WVC1, MSS1, MSS2, WM Audio
    FLV flv AVC/H.264, FLV1, AAC, MP3
    MKV mkv HEVC/H.265, AVC/H.264, VC1, Xvid, DivX, AC3, TRUEHD, DTS, AAC, MP3, FLAC
    WebM webm VP8, VP9, Vorbis, Opus
    OGM ogm, ogv AVC/H.264, Xvid, DivX, Vorbis, Opus
    RM rm, rmvb, ram RV10, RV20, RV30, RV40, SIPR, COOK, AC3, AAC
    MPEG-PS mpg, mpeg, mpe, mpv, m1v, m2v MPEG-1/2 Video, MPEG Audio, AC3, LPCM
    MPEG-TS ts, tp, m2t MPEG-2/4 Video, HEVC/H.265, AVC/H.264, MPEG Audio, AAC, HE-AAC, AC3, DTS
    MPEG-4, MOV mp4, mov, m4v, 3gp, 3g2 MPEG-4 Video, HEVC/H.265, AVC/H.264, SVQ3, H263, MPEG Audio, AAC, AC3
    AVCHD, M2TS mts, m2ts HEVC/H.265, AVC/H.264, VC1, AC3, TRUEHD, DTS
    Audio Files wma, mp3, m4a, ra, wav, aac, ac3, eac3, dts, flac, ogg, opus

  • File format conversion without re-encoding
    CODEC SUM Editor Supported Conversion Formats
    AVC/H.264 MP4, MKV, MOV, 3GP, M4V, MPEG2-TS
    HEVC/H.265 MP4, MKV, MOV, MPEG2-TS
    MPEG-4 Video MP4, MKV, MOV, 3GP, M4V, MPEG2-TS
    MPEG-2 Video MKV, MPEG-PS, MPEG2-TS
    VP8/9 MKV, WebM
    AC3 MP4, MKV, MOV, M4V, MPEG-PS, MPEG2-TS
    AAC MP4, MKV, MOV, 3GP, M4V, MPEG2-TS
    MP3 MP4, MKV, MOV, MPEG2-TS
    DTS MKV, MPEG2-TS
    ..... .....
    AVC/H.264 + AAC MP4, MKV, MOV, 3GP, M4V, MPEG2-TS
    AVC/H.264 + AC3 MP4, MKV, MOV, M4V, MPEG2-TS
    AVC/H.264 + DTS MKV, MPEG2-TS

  • Cut video file without re-encoding


  • Join video files without re-encoding (the same attributes(Codec, Video size, ...) only)


  • SUM Editor

  • Add clips.
  • Produce a media file from editing.

  • SUM Editor : Download
  • SUM Editor : Manual
SUM Player FreeSUM EditorCapture Solution XE
Screen CAM XEScreen AVI CAMScreen WMV CAM
Screen MP4 CAM
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