KataLib is more than just a music player — it"s a complete audio suite designed for music lovers and creators alike. It combines a powerful audio player, a flexible metadata editor, a capable audio converter, and a music library manager into one streamlined application.
Core Features:
Audio Player
- Enjoy seamless playback of virtually any audio format or even streaming video files. DJ Mode lets you mix tracks with manual or automatic crossfades. You can also load and save WinAmp-style playlists for quick access to your favorite sets.
Audio Converter
- Convert between a wide range of audio formats effortlessly. Trim or normalize your output automatically, and even extract audio from streaming video sources. Ideal for preparing files for different devices or platforms.
Metadata Editor
- View and edit ID3v2 tags and other metadata. Batch edit multiple files at once, and fetch missing information directly from the MusicBrainz database. You can also apply or update album art with ease.
Music Library Manager
- Organize your entire audio collection, search across tracks instantly, and download cover images from the internet — or use your own custom artwork. KataLib makes it easy to keep your library tidy and enriched with useful info.
Supported Formats:
KataLib supports a wide range of both lossy and lossless audio formats:
- Input: OPUS, AAC, FLAC, M4A, MP3, MP4, MPC, APE, AIF, MKV, AVI, MOV, FLV, WEBM, Ogg Vorbis, WAV, WAVPack, WMA, AC3, OGA, MP2, MPGA, MPEG, DTS, M4B, DSD (DFS)
- Output: OPUS, FLAC, M4A, MP3, Ogg Vorbis, WAV
Under the hood, KataLib uses the trusted FFmpeg engine for audio conversion and media playback, ensuring compatibility with virtually all mainstream media formats.
KataLib 5.0.0.0 changelog:
Added
- Visualization Video Setup dialog with real time preview of how the rendered video will look like.
- Right clicking the Stop button stops with fade out, right clicking the Play button starts a crosfade with the next track.
- Option to remove all / missing tracks from the Recent tracks menu of the playlist.
Changed
- Dropped support for Windows 7/8 and 32bit systems, because of mandatory update of Python to version 3.10.x. (yt-dlp stopped supporting erlier Python versions.)
- Updated yt-dlp library to version 2025-10-22.
- Spotify playlist support is back (using YouTube tracks of course)..
- Hot key actions can be disabled one at th time by selecting the "None" option.
Fixed
- Some m3u playlist files could not be parsed correctly.
Download: KataLib 5.0.0.0 | 83.9 MB (Open Source)
Links: KataLib Home Page | Github | Screenshot
