Citation Metadata Checker

Cross-database verification across CrossRef, OpenAlex & Semantic Scholar

Paste a DOI or full DOI URL — we'll extract it automatically 0/50 today

How it works

1

Query 3 databases

CrossRef, OpenAlex, and Semantic Scholar are queried simultaneously for the same DOI.

2

Compare 7 fields

Title, authors, year, journal, volume, pages, and DOI are normalized and compared.

3

Suggest best values

Disagreements are classified as variants or substantive, and the most reliable value is suggested.