NNext Karaoke
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Next Karaoke
A browser karaoke guide for the Next Karaoke player, queue, remote control, display, and audio setup.
  • Overview
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  • Getting Started
    • Installation
    • First Launch
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    • Play Your First Song
  • How to Use
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  • Reference
    • NKM Packer
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    • WebAssembly (WASM)
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    • IndexedDB
    • AudioContext
    • Web Audio API
    • Media Session API
    • Keyboard Shortcuts
    • SoundFont 2 (SF2)
    • File Formats
      • MIDI
      • LYR
      • CUR
      • NKM
      • NKMX
      • KMID
      • MP3
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  7. NKM
User guide1 min read

NKM Media Package Specs (.nkm)

Unified single-file karaoke package bundling MIDI, lyrics, and metadata.

Unified Package Specification

Bundles MIDI track, LRC/CUR lyrics, album cover artwork, and JSON metadata into a single NKM package for fast distribution.

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NKM PackerTurn the files for one karaoke song into one compact NKM bundle with advanced lossless compression.Open pageNextKaraoke PackerFollow three steps to use the current NextKaraoke Packer interface and prepare ZIP parts for Next Karaoke Import.Open pageReferenceComprehensive technical documentation explaining key web technologies, sound engines, and storage architectures used in Next Karaoke.Open page
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