Upload one original instrument spectrum, inspect the parsed curve and key metadata, then download CSV, JCAMP-DX or canonical JSON. The page uses deterministic format readers and does not send the spectrum to an LLM.
Preservation contractThe canonical result keeps the complete parsed x/y arrays, a normalized metadata view, the parser-exposed raw metadata, source format, SHA-256 provenance and explicit warnings. CSV and JCAMP-DX carry the same metadata envelope for FTIR.fun round-trips.
