Citation checker

Best free citation checker for BibTeX, DOI, and reference lists

Reference Verifier helps researchers check whether citations are real, complete, and consistent with live scholarly metadata. Paste BibTeX entries, DOI lines, or numbered references and get a clear result for each record.

Check references How verification works

Why use Reference Verifier?

Multi-source lookup

Checks against open scholarly metadata sources including Crossref, DataCite, Europe PMC, DBLP, OpenAlex, arXiv, and Semantic Scholar.

Batch verification

Designed for manuscripts, theses, preprints, and bibliographies where many references need to be checked at once.

Clear status labels

Results are grouped as Verified, Needs review, or Not found so editors can quickly focus on citations that need attention.

Good use cases

Checking a bibliography before submitting a manuscript.
Finding fabricated or incomplete references in AI-assisted drafts.
Reviewing BibTeX metadata before importing it into Zotero, Overleaf, LaTeX, or Word.
Checking English and Chinese reference lists in one web interface.