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Cryptogram Generator

Create custom cryptogram generator puzzles to challenge your friends. Enter any text and generate an encrypted puzzle with difficulty levels.

Who It's For

This cryptogram generator is perfect for:

  • • Teachers creating engaging classroom activities
  • • Puzzle enthusiasts sharing challenges with friends
  • • Event organizers running team-building games
  • • Parents creating fun activities for kids
  • • Writers and game designers developing content
  • • Anyone wanting to create personalized cryptograms

Quick examples — click to auto-fill:

0/500 characters

How Cryptograms Work:

  • 1. Substitution:Each letter is replaced with another letter consistently throughout the message.
  • 2. Difficulty:Choose Easy for hints, Medium for some revealed letters, or Hard for no hints.
  • 3. Share:Share your cryptogram via link or copy the puzzle text to send to friends.
  • 4. Solve:Solvers can figure out the letter substitution to reveal the original message.

How to Use the Cryptogram Generator:

  1. 1. Choose Input: Select a random quote or enter your own custom text
  2. 2. Set Difficulty: Pick Easy (most hints), Medium (some hints), or Hard (no hints)
  3. 3. Generate: Click "Generate Cryptogram" to create your puzzle
  4. 4. Share: Copy the shareable link or the puzzle text to send to friends
  5. 5. Keep Secret: The solution is shown only to you—don't share it!
Letters to Numbers Logo

Letters to Numbers

Trusted Conversion Tools

Cryptogram Generator

Create, customize, and share puzzle cryptograms with this interactive tool. Generate substitution cipher puzzles perfect for word games and entertainment.

Who Is It For?

Puzzle Creators

Designing cryptograms for publications or websites

Teachers

Creating engaging puzzles for classroom learning

Event Organizers

Adding cryptogram challenges to escape rooms or hunts

How It Works

Enter text or choose from famous quotes. Select difficulty level and cipher type. The tool generates a cryptogram puzzle with or without a hint system. Share the puzzle with others.

Features

  • Create custom cryptograms
  • Multiple cipher types (substitution, Caesar, Atbash)
  • Adjustable difficulty levels
  • Hint system generation
  • Puzzle sharing links
  • Answer key generation

Other Tools

Explore more tools by clicking the + button above

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A1Z26 Decoder and Encoder
Encode letters to A1Z26 numbers and decode numbers back to letters instantly
A0Z25 Cipher Translator
Convert text using A0Z25 cipher encoding
A0Z25 Decoder
Decode A0Z25 encoded numbers back to letters instantly

Your Privacy Matters

All processing happens in your browser. We never store, send, or log your data. Completely private and secure.