Free Open Source Video Cutter, Splitter, Joiner & Merger

Avidemux is a free, open source, cross-platform, slim and easy using video editor that provides users the ability to cut, join, transform videos easily. You can use it to split, merge the videos you specified, then play the output video on your favorite devices like Apple iPhone, Apple iPod, Optical Disc( DVD, VCD, Super Video CD ), Sony PlayStation Portable.

Suppose that you want to cut a video file, just open the file with Avidemux, drag the slider thumb to a position and hit the “A” button to define the start position, then drag the slider thumb to another position and press the “B” button to define the end position, then click the “Save video” button on the toolbar to let Avidemux clip the video for you.

Free Open Source Video Cutter/Clipper/Splitter / Joiner/Merger/Combiner for Windows / Mac / Linux


  • Easy to install and use.
  • The supported input media formats include: Flash video, AVI, MPEG, ASF, MPEG4, 3GP, MP4, QuickTime files, OGM, Matroska, H.263(+) video stream, Nuppel Video, OpenDML, etc.
  • The supported output formats include: avi, m1v, m2v, mpg, mpeg, ts, ogm, mp4, mkv, flv, etc.
  • Support batch processing.
  • Support processing video files using your own filter.
  • Using SIMD for hardware acceleration( MMX, MMXEXT, 3DNOW, 3DNOWEXT, SSE, SSE2, SSE3, SSSE3 ).
  • Allow to customize the frame rate( PAL, FILM, NTSC, User defined value ).
  • Postprocessing: Horizontal/Vertical deblocking, Deringing, Swap U and V.
  • Multiple video filters available:
    • Transform( Add black borders, Resize, Crop, Fade in/out, Resample FPS, Reverse, Rotate, Vertical flip, etc. ).
    • Interlacing( Donald Graft Bob, Decomb Decimate, Deinterlace, Drop, Keep even filed, KernelDeint, Merge fields, PAL field shift, Pulldown, PAL smart, Stack fields, Swap fields, TDeint, etc. )
    • Colors( Blend Removal, Chroma shift, Adjust contrast/brightness/colors, Color curve editor, Luma equalizer, etc. )
    • Noise( FluxSmooth, Median(5×5), Light denoiser, Temporal cleaner, etc. )
    • Sharpness( Gauss smooth, Soften, Sharpen, etc. )
    • Subtitles( DVB sub, ASS/SSA subtitle, VobSub, etc. )
    • Miscellaneous( Whirl, Add frame number, etc. )
  • Multiple audio filters available:
    • Resampling.
    • Frame rate change.
    • Gain.
    • Mixer.
  • Video frames can be splitted in 3 types: Intra frame, Predicted frame, B-Fram.
  • Supports manipulating video files using script.
  • Portable version available.
  • Command line available.
  • And many more…

Avidemux works on Windows 7, Windows XP, Mac OS X, Linux.

Avidemux is a 10.5MB download available from and Windows version ).

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