Check whether credentials appear in the reference database

Krantz Antipublic

Compare logins or login:password pairs. Account access is not tested.

Latest shipped: v0.158.2 · Aug 25, 2026
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Krantz Antipublic membership analysis with country results
Review matched rows, countries, domains, and duplicate counts.
Screenshot 1 of 1: Review matched rows, countries, domains, and duplicate counts.

From input to output

What you can do with Antipublic.

Separate rows already present from rows not found

Save matches to public.txt and checked rows not found to private.txt.

Match by login alone or the exact credential pair

Choose login or require both login and password to match.

Keep malformed rows out of private results

Write unparseable input to rejected.txt instead of marking it absent.

Check only the dataset section you need

Search all records, URL records only, or credential records only.

Know which rows were actually checked

Interrupted runs keep partial output. Unchecked rows never count as absent.

See where checked rows are concentrated

Review country and domain totals beside every result count.

Access and requirements

Get access to Antipublic.

Pro

$10 /month

30 days of access · manual renewal

Windows 10 or 11 · x86-64

Requires Visual C++ and WebView2.

Create account to buy Antipublic

Pay with crypto · no automatic renewal

Database checks and separate result files

  • Login and login:password matching
  • All, URL, and credential datasets
  • Public, private, rejected, and summary output
  • 1 device