K-Lite Codec Pack
A free software bundle for high quality playback of music and video files on Windows.
The K-Lite Codec Pack is a free bundle of codecs and tools for Windows that enables playback of a wide range of video and audio file formats. It is designed to be easy to use while offering many configuration options, and includes the MPC-HC media player along with utilities for managing installed codecs.
The pack includes a customizable installer with unattended deployment and system checks for broken codecs, a set of codecs compatible with all DirectShow players, and hardware-accelerated decoding of common video formats on compatible systems. It supports formats such as MKV, MP4, AVI, H.264, H.265/HEVC, AV1, MP3, FLAC, and Opus. The included MPC-HC player offers video preview on the seekbar, a dark theme, HDR and Dolby Vision support (with the included MPC Video Renderer), high-quality upscaling (with MadVR), Blu-ray disc playback (without menus), and streaming video from sites like YouTube and Twitch (requires yt-dlp.exe). The pack also provides fast thumbnail generation in Explorer and a utility for configuring and managing installed codecs.
It is intended for Windows users who need broad media playback support. The pack is free and available for download, with frequent updates.
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