Kast 1.0.0

First release of Kast – a lean, portable video player for Windows that casts to Chromecast, DLNA and AirPlay devices.

Highlights

• Plays MP4, M4V, MKV, AVI, MOV, WebM, WMV, TS and more – powered by mpv with hardware decoding
• Cast button in the player: Chromecast / Google TV, DLNA smart TVs and AirPlay receivers; formats the device can't play are repacked or re-encoded on the fly (GPU encoder where available)
• Audio track and subtitle selection (embedded or external .srt/.ass/.vtt), on the PC and on the TV
• Subtitle style editor (font, size, color, border, shadow, background, position) – applied live, also on the Chromecast
• Folder playlist, recent files, resume, subtitle/audio delay, playback speed, screenshots, URLs
• Changeable keyboard shortcuts
• Portable: no installation, settings in settings.json next to the EXE; optional "Open with" and shortcuts
• English and German UI, light and dark theme, Windows accent color
• Self-update from GitHub releases with signature check

Download

File	Use
Kast-1.0.0-win-x64.7z	Download this. Unpack into a folder of your choice and run Kast.exe (includes libmpv-2.dll and ffmpeg.exe).
Kast.exe + Kast.exe.sig	Used by the built-in updater.

Requires Windows 10/11 (x64) with the WebView2 runtime (part of Windows 11).

Notes: PC and TV must be on the same network – allow Kast in the Windows firewall for private networks if nothing appears. AirPlay devices that require PIN pairing are not supported yet.