Reference / Glossary / Infrastructure and standards
Offline Conversion
Also: Offline conversion import; OCI
A conversion that happens outside the web or app, such as a signed contract, a store purchase, or a qualified lead in a CRM, uploaded to the ad platform and matched to the originating click or user through a Click ID or Hashed Email. Offline conversion import is how lead-generation advertisers move optimization from form fills to revenue.
Related terms
Used in The Signal
Cite this entry:
Agency Echelon. "Offline Conversion." Agency Echelon Reference, reviewed September 2026. https://agencyechelon.com/reference/glossary/offline-conversion/