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Show HN: Wario Synth – Turn any song into Game Boy version

created: Jan. 1, 2026, 10:25 a.m. | updated: Jan. 2, 2026, 12:04 a.m.

How it works: The Wario Synthesis Engine analyses MIDI files to identify melody, bass, and chord tracks. It then resynthesises each part using Web Audio oscillators tuned to mimic the Game Boy's 4-channel sound chip: two pulse wave channels, one wave channel, and one noise channel. All processing runs client-side in your browser - no server-side audio generation. Built with TypeScript, Vite, and Claude Code. v1.3 - Share to X, light Game Boy palette, iOS audio fixes, local font hostingv1.2 - Short share links with dynamic previews, copy link button, improved MIDI selectionv1.1 - Search MIDI files, generate Game Boy style music, basic playback with progress bar

13 hours, 59 minutes ago: Hacker News