Synth Patch Vault

Synth Patch Vault is an offline library for documenting hardware and software synthesizer patches. Capture models, parameter positions, studio notes and panel photos in one place — no account, no internet permission, no ads.

Key features:
• Create, edit, favorite, duplicate and delete patches with instant Undo
• Search by title or synth model; filter favorites; sort by name or update time
• Organized parameter sections: oscillator, filter, envelope, effect and other
• Built-in templates for oscillator, low-pass filter, ADSR and space effects
• Autosaved editor drafts that survive process death
• Attach panel photos via the system Photo Picker and place precise markers
• Save immutable version snapshots and compare any two side by side
• Export and import JSON backups through Storage Access Framework
• System, light and dark themes with edge-to-edge Material UI

Everything stays on your device. Ideal for studio recall sheets, live set lists and sound design notebooks.