Hal’s Cryptogram Helper

Copyright © 2005 by Hal Keen

Green light: scripts work Scripts on this page
are working.
Stop! Red light: no script support This page requires Javascript 1.2.

Sorry! If this warning didn’t go away, your browser didn’t run the scripts, and this page won’t work. Most browsers support the scripts, but your security settings might block them.

I don’t recommend weakening your security. Instead, you might try saving this Web page and running the saved copy. See the copy permissions.

Type the cryptogram below, then click the Start link underneath.


What you get: The Start link reloads the page, with the contents (if any) of the text area translated into a table showing

The selection lists behave like this:

Clicking any letter in the frequency tables highlights all instances of that letter in the cryptogram. The Clear Highlights button removes the highlights.

This page is based on a Turbo Pascal program written for my first personal computer, a Zenith Z-100. While writing my Sudoku solving grid, I realized how easily this idea could be implemented in HTML and JavaScript.

Note: This page is inherently visual and script-dependent. If improved accessibility would be useful to anyone, I will welcome suggestions on how to go about it.

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Permission is granted to copy this page for personal use, provided: