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KMPlayer – Best All-in-One Media Player

KMplayer freeware video player

The KMPlayer is a versatile media player which can cover various types of container format such as VCD, DVD, AVI, MKV, Ogg Theora, OGM, 3GP, MPEG-1/2/4, WMV, RealMedia, and QuickTime among others. It handles a wide range of subtitles and allows you to capture audio, video, and screenshots in many ways.

The player provides both internal and external filters with a fully controlled environment in terms of connections to other splitters, decoders, audio/video transform filters and renderers without grappling with the DirectShow merit system. Internal filters are not registered to user’s system to keep it from being messed up with system filters.

KMPlayer screenshots of free video player

The KMPlayer includes almost all the essential decoders required for media playback. Furthermore, to get beyond the limitation of internal decoders, the external ones such as commercial h.264 decoders or cyberlink/intervideo audio decoders can be specified, so that KMP works optimally by the users’ own customization. Even though the KMP is based upon directshow structure, it supports Winamp, Realmedia and Quicktime by the internal logic. Thus, it is possible to specify where to try to connect firstly the media in preferences.

In short, the player provides a strong hybrid structure efficient for interconnecting various directshow filters, winamp input&dsp plugin, and internal filters. The most outstanding feature is that the player has the full control of filter connections to prevent a media playback from being messed.

The player can set multifarious audio and video effects, slow down or increase playback speed with regular tone, select parts of a video as favorites, do an exceptionally powerful A-B repeat, remap the keys of remote interface for HTPC including overlay screen controls, change a skin dynamically depending on a media type playing, and many more. It is completely customizable thanks to a wide selection of skins and color schemes, and the configuration options are extremely extensive.

Download KMPlayer

1. Supported Files or Devices

  • Incomplete/Damaged AVI file (Skip Damaged Frames)
  • Locked Media Files while downloading or sharing (with realtime index rebuilding under certain condition: AVI downloading in consecutive order)
  • Incoming Stream delivered via HTTP (ASF/OGG/MP3/AAC/MPEG PS/MPEG TS: Only works with KMP splitters)
  • Directshow playback (avi, mkv, mov, mp4, 3gp, ogg theora, ogm, rmvb, mpeg1/2, vob, wmv, dvr-ms, http:// etc including almost every audio formats)
    • Async File Source (network) filter for memory caching
    • Compressed Audio Album Support (zip, rar)
    • Shoutcast (Including NSV), Icecast
    • DTS Wave, AC3, AAC, Ogg Vorbis, Monkey’s Audio, Musepack, FLAC/Ogg FLAC, Modules (MOD, S3M, MTM, UMX, XM and IT), AMR, ALAC, WavPack, TTA etc
    • Native (ansi/unicode) Cue Sheet Support
    • Google Video (GVI), Flash Video (FLV), Nullsoft Streaming Video (NSV), PMP
  • Real Engine + Directshow (needs Real Player or Alternative or its decoders)
    • Supports the playback and seeking of multirate real media files (surestream clips) with KMP RealMedia splitter
    • Almost all Real Media files are supported (directshow).
  • QuickTime Engine + Directshow (needs QuickTime player or Alternative or its decoders)
    • The verified MOV samples with KMP mp4/mov splitter (directshow)

      -MOV[H264/AVC1+AAC], MOV[H264+AC3]

      -MOV[SVQ1+A-law], MOV[SVQ1+IMA4], MOV[SVQ1+PCM]





    • Almost all MP4s are supported(directshow).
  • Mplayer Engine Support
  • Winamp Input Plugin (decoder) Support
  • DVD playback, ratDVD support (needs ratDVD filters)
    • Audio CD (2000, XP only / Win9x-Support by winamp plugin)
    • Video CD/SVCD/XCD : CDXA Format (2000, XP only)
    • VCD Image File (BIN/ISO/IMG/NRG) ; NRG needs mplayer.dll
  • WDM device support like TV/HDTV/Camera/Cam etc
  • Adobe Flash (SWF)/FLC/FLI
  • Various Image files like png, gif etc

2. Internal Codec/Filters

  • Video decoders : DivX, XviD, Theora, WMV, MPEG-1, MPEG-2, MPEG-4, VP3, VP5, VP6, H263(+), H.264(AVC1), CYUY, ASV1/2, SVQ1/3, MSVIDC, Cinepak, MS MPEG4 V1/2/3, FFV1, VCR1, FLV1, MSRLE, QTRLE Huffyuv, Digital Video, Indeo3, MJPEG, MPNG SNOW, TSCC, Dirac, VC-1, RealVideo, SMC etc
  • Audo decoders : AC3, DTS, LPCM, MP2, MP3, Vorbis, AAC, WMA, ALAC, AMR, QDM2, FLAC, TTA, IMA ADPCM, QCELP, EVRC, RealAudio etc
    • 2Ch to Multi Channel expansion
    • Stream Switcher: Internal Copy/Inplace, Gabest’s, Morgan
  • Etc
    • Media Priority Control to Connect among Directshow, Real, QT, Winamp and Mplayer
    • Custom Filter Manager to force or block external filters
    • System Filter Manager to manage (register, unregister) external filters

3. Plugins

The KMPlayer supports input, dsp/effect, visualization and some general plugins of winamp2/5. Before using plugins, you should specify the path of each plugins and corresponding settings.

  • Winamp Plugins: Input, DSP(Can Stack), Visual(Can Stack), General Plugins(Media Library etc Support)
  • KMP Video Plugins by SDK (Can Stack)
  • DScaler Filter Support (Can Stack)

4. Video Processing

  • Video Renderers : Old Video Renderer, Overlay Mixer, VMR Windowed, VMR Renderless, DirecDraw RGB/Overlay, OpenGL, Direct3D (DX7, DX9) YUV/RGB, Null(Uncompressed/Compressed), Haali’s Video Renderer
  • Basic Video Processors : Mirror Image, Flip Input/Output Picture, Screen Rotation for project output
  • Advanced Video Processors : Resizer(oversampling), Deinterlacing, Postprocessing, Picture Properties(S/W Color Controls), Sharpen, aWarsharp, Blur, Noise Reduction/Addition
  • ETC
    • Overlay Mixer (H/W Color Controls)
    • Add Margin to Video Image
    • Input Colorspace : Basic + Mplayer
    • Output Colorspace : Basic + YV12
    • Screenshot
    • Sample Extraction(Continuous Capture)
    • Movie Capture

5. Audio Processing

  • Audio Renderers : Built-In Directsound
    • Switch to WaveOut for S/Pdif output automatically
    • Auto select Cyberlink renderer with its own decoder
  • Basic Audio Processors : Preamp, Remove Left/Right Channel, Swap Channels, Downmix to Mono
  • Advanced Audio Porcessors : Equalizer (DirectX/Time/Freq Domain), Echo/Pitch Shift/Pitch Scale (Octave control)/Tempo, Compressor, Auto Volume Control (Normalizer), TrueBass/Treble Enhance
  • Visualization : Winamp Visualization (Milkdorp etc), Windows Media Visualization (default), Built-In Visualization, Spectrum Analyzer on Skins
  • ETC
    • Audio Capture (Winamp Encoder/ACM)

6. Subtitle Processing 8. ETC

  • Supported Subtitle Formats
    • Unicode Text Subtitles Support
    • Sami (smi) : Ruby tag support including every almost attributes, USF(Ruby support)
    • SubRipText(srt), MicroDVD(sub), SMIL/RealText(realmedia), MPL2
    • SAA, ASS : extended attributes support
    • Bitmap Sub/Idx(vosub), Closed Captions in VOB, DVD and Transport Streams from TV-Card
    • Sasami 2K(S2k)
    • Embedded subtitles of MKV, OGM, MP4, MOV, 3GP
  • TTS (Text to Speech) for reading subtiltes
  • Output Methods of Subtitles
    • Draw to Overlay/Image itself/VMR&D3D surface
  • Font Rendering Methods
    • Windows Standard Output (GDI)
    • Rasterizer Output (High Quality but rather slow)
  • Effects
    • Bold/Italic/Underline, Color attributes
    • Vertical display, Fade effect (Only in Image Subtitles)
    • Subtitle Rotation/Flipping for project output
  • etc..

7. Skin Features

  • Folder Skin
  • Compressed Skin (zip -> KSF)
  • Flexible Skin change depending on Playback Status of media(Movie/Music/TV/DVD , Shade)
  • Color Themes
  • Transparent Window
  • Playback Information on skin
  • Spectrum Analyzer
  • Long Title Scroll
  • A-B repeat display on skin
  • Bookmark/chapter/marker display on skin


  • Keys Remapping
  • Mouse Function Setup
  • Multimedia Keyboard Support
  • WinLirc/uICE support
  • KMP API Support which can control from external program
  • Superspeed/High mode support (disable video/audio filter otherwise than inevitable filter while playing back)
  • Can be used in only one executable file(KMPlayer.exe)
  • Keyframe Search in AVI, MP4, MKV
  • Online Codec Search Support (Korean)
  • Pin Report when failed to play back
  • Enhanced Filter Rendering
  • Work Priority Class
  • Image OSC Support like Sasami 2K
  • Full Unicode Support
  • Multiple Language Support

Oops… You can find more useful features in deep inside of KMP.

  • Low memory footprint
  • Desktop Playback Mode
  • Favorites/Bookmarks/Configuration backup and restore
  • MKV, MP4, OGM Chapter and ASF file Marker support
  • Open Dialog Box as Image for TV-OUT (Ctrl-J)
  • Powerful A-B section repeat(F9)
  • Subtitle Explorer(Alt-Q)
  • Analytic Playback Information
  • Really Cool Audio Shade Mode
  • Automatically Changable Skin Support depending on Playback Status
  • Jog Shuttle (Tempo/Pitch)
  • Various Capture Function (Sample extraction on condition)
  • Intro/Ending Skipping, Intro playing
  • Screen Offset for TV-OUT
  • and much more…

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