MIDI SysEx Manufacturer Checksum Surgeon (Roland / Yamaha / Korg) & Tempo-Map Extractor

Deterministic Modulo-128 two's-complement checksum (128 - (sum & 0x7F)) & Korg MSB 7-to-8 byte unpacker + SMF Meta `0xFF 0x51` microsecond/beat parser engine (.syx, .mid, .json, .csv) built for Roland, Yamaha, Korg, Sequential — zero-upload ephemeral Wasm RAM execution.

+ Drop File

Cloudflare Ephemeral Wasm RAM · 0% Retention

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