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Check a reading certificate's finish code

Every certificate from a Peabody reading challenge carries a finish code. Type it here to see whether it is a real finish, of which challenge, on which day and by which animal reader, before you give a prize. Nothing is looked up or sent: the answer is worked out from the code itself on this device.

Setting out the code check…

What a code can and cannot tell you

A code catches a typo and a made-up code: one guessed at random checks out about once in 65,000 tries. It is not a password, and it does not prove who read the books, any more than a coloured paper chart does. For a challenge you made with the maker on this device, the check names it; for one made elsewhere it says it was made with the maker.

Running a summer programme? The library summer kit has the take-home pack, the desk tally and the report.

Checked 30 October 2026 · Free, no account · v0.1.0