Data & Converters

SysEx MIDI Hardware Synth Patch Librarian & Preset Inspector

Zero-Competition 100% In-Browser Private

Inspect, decode, and extract sound banks from raw System Exclusive (.syx) synthesizer dumps without ancient Windows 98 software. Supports Yamaha DX7 6-operator FM, Roland Juno, and Korg M1.

Synthesizer Architecture

Active SysEx File

DX7_ROM1A_FACTORY.syx

Upload custom .syx dump file

SysEx Header Decoded

Manufacturer ID:0x43 (Yamaha)

Format:32-Voice Bulk Dump

Extracted Patch Bank (8 Presets)

Voice Detail: E.PIANO 1FM Algorithm: 5 of 32 • Feedback: 6/7

OP 61.00×Lv 99

OP 51.00×Lv 99

OP 41.00×Lv 99

OP 31.00×Lv 99

OP 21.00×Lv 99

OP 11.00×Lv 99

Hex Byte Stream: F0 43 00 09 20 00 ... F7. Verified 4,104 byte uncompressed DX7 checksum.

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SysEx MIDI Hardware Synth Patch Librarian & Preset Inspector