DwC Excel Template Generator

Check the boxes next to the terms you want to include in your template and click the Create template button.
Darwin Core Terms: A quick reference guide | GBIF Terms, often overlapping with DwC terms (these are used in the IPT)

Best practice is to generate UUIDs to use as occurrenceID and eventID.

Generate the EML metadata (for later import into the IPT) - beta version

Try the Excel to DWC tool - beta version