Printable cryptogram generator

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Turn any quotation into a rigorous substitution cipher with age-appropriate hints, unique classroom copies and exact solutions.

PUZZLEFORGE · CRYPTOGRAM CHALLENGE

Crack the Curiosity Code

Each letter stands for another letter. One frequent letter is revealed.

Encrypted letter↓Your answer

GTRCXDQELGTTIGTGTRXIJXAIEGTGTEAGTEQHPCAGTXEIXIJ.BPLXEAXGTURTAXGTAENILCTAEISELCZXAGTXIJ.

— Who said it? ______________________________

Working alphabet

TBCSJRXDIEQHLAGTPNZU

All 1 worksheet uses a different substitution alphabet.

PUZZLEFORGE · CRYPTOGRAM CHALLENGE

Crack the Curiosity Code

Each letter stands for another letter. One frequent letter is revealed.

Encrypted letter↓Your answer

GTRCXDQELGTTIGTGTRXIJXAIEGTGTEAGTEQHPCAGTXEIXIJ.BPLXEAXGTURTAXGTAENILCTAEISELCZXAGTXIJ.

— Who said it? ______________________________

Working alphabet

TBCSJRXDIEQHLAGTPNZU

PUZZLEFORGE · CRYPTOGRAM SOLUTION

Crack the Curiosity Code

The decoded quotation appears beneath the cipher letters.

Encrypted letter↓Your answer

GTRHCEXIDMQPEOLRGTTAINGTGTRHXIINJGXIASINEOGTGTEOASGTEOQPHQPUCEASGTXIEOINXIINJG.BCPULRXIEOASXIGTUYRHTAASXIGTASEONWINLRCETAASEOINSFEOLRCEZXXIASGTXIINJG.

— Albert Einstein

Substitution key

TABCCESFJGRHXIDMINEOQPHQLRASGTPUNWZXUY

True substitution

Every plain letter maps consistently to one different cipher letter—never itself.

Fair difficulty

Hints are based on frequent letters, giving younger solvers a sensible foothold.

Independent copies

Each classroom copy uses a different alphabet while preserving the same message.

Hide a message.Reveal the thinking.

Crack the Curiosity Code

True substitution

Fair difficulty

Independent copies

Hide a message.
Reveal the thinking.