DOI metadata lookup

Records come from the public Crossref and DataCite APIs, which hold only what the publisher or repository deposited, so a sparse record makes a short reference. The five reference formats cover the common article, chapter, and dataset shapes; they are not full CSL processors, so check the fine points before you submit. Combined BibTeX and RIS downloads include only the records that resolved. Only the DOIs you paste leave the browser, once per run, when you press Look up; nothing is stored.