Someone sent you a tune saved in VCM Editor 5.2 but you still run 5.1? Convert it to the old format below and it will open right up — with every setting intact. No upgrade, no account, no upload.
Yes — convert the .hpt to the Old (5.1.x) format here, then open it. The tune data is unchanged.
Yes. Pick either direction — Old ⇄ New — depending on which VCM Editor you run.
More tools: all converters · HPT to BIN · fix unsupported version