FAAD2 and FAAC are the open-source AAC decoder and encoder pair behind iTunes, YouTube, MP4, and most streaming audio on Windows.

VirtualDub2 is the technical end of the video editors category, built for frame-accurate cutting, filter chains and batch encoding rather than timeline storytelling.

tsMuxeR is the lossless remuxing and Blu-ray authoring tool most disc archivists reach for once the ripping is done.

FxSound is a free, open-source system-wide audio enhancer for Windows that lifts volume, bass and clarity in every application at once.

VapourBox is a cross-platform video restoration application using VapourSynth.

mpv player is the minimalist choice among Windows media players, trading menus and settings windows for instant startup and format support that covers nearly everything.

HEIC Image Extension is a free Windows codec that teaches File Explorer and the Photos app to open iPhone HEIC photos without converting a single file.

K-Lite Codec Pack delivers the most reliable codec solution for Windows users who need instant playback of any video or audio format without compatibility errors.

K-Lite Codec Pack Update is the incremental installer for the K-Lite family, refreshing an existing installation's components rather than replacing the whole pack.

HEIF Image Extensions is Microsoft's official Windows codec that adds native HEIC and HEIF photo support to File Explorer, Photos, and every application built on the Windows Imaging Component.

StaxRip is a portable Windows video encoder frontend that drives x264, x265, SVT-AV1 and VVenC through a unified GUI.

NVEnc is a powerful CLI (Command-Line Interface) encoder that leverages NVIDIA GPU hardware acceleration to encode H.264, HEVC, and AV1 video files.

XMedia Recode is allowing you to convert between almost any audio and video formats.