For accounting teams

Catch duplicate payments before they become write-offs.

Upload your payment file and get a free duplicate analysis — no commitment. For accounting teams who want to spot risks fast.

Built for accounting teamsCatch duplicates across thousands of payments

How it works

Three steps to cleaner books.

Upload and normalize
Bring in CSV or XLSX payment exports and map them into a standard schema.
Detect with confidence
Blend exact rules, near-match logic, and fuzzy matching to flag risky duplicates.
Review and export
Resolve findings, keep an audit trail, and export clean reports for clients.

Why AuditDup

Built for teams who need clarity and control.

Reduce write-offs

Catch duplicate payments before they hit the books.

Audit-ready reports

Export clear reports and keep a full audit trail.

One workspace

Upload, analyze, and review from a single place.

Ready to see your duplicates?
Free analysis · No credit card required

Frequently asked questions

Quick answers to common questions.

  • What file formats can I upload?

    AuditDup supports CSV and XLSX payment exports. Upload your vendor payments, and we'll map columns to a standard schema so duplicate detection runs consistently.

  • Is my data secure?

    Your files and analysis run in your workspace. We use industry-standard security and do not share your payment data with third parties.

  • Who is AuditDup for?

    AuditDup is built for accounting teams and firms that need to catch duplicate payments before they become write-offs. Upload, we analyze, you review and export.

  • How does the free analysis work?

    Create an account, upload your payment file, and we run duplicate detection (exact, near-match, and fuzzy rules). You get a clear list of likely duplicates to review and export.