Instructions:

Encoding & Sending

1. Type your message in the box below.
2. Type in a number for the key value.
3. Press Encode message and copy the coded message.
4. Send the message to your friend via email.
5. Tell your friend [not in the same email] the key value.

Decoding

1. Paste the coded message into the box below.
2. Type in the correct key value.
3. Press Decode message.

Key Value:

 

Try it out..

Try and decode this message, using any key values:

mabl bl t mxlm mh wxfhglmktmx ahp max xgvhwxk phkdl.

dghpg bllnxl:

- lhfx gnfuxkl pbee tvm max ltfx tl hmaxk gnfuxkl paxg ikxllxw mhh ftgr mbfxl. lhenmbhg = nlx lftee gnfuxkl.

- vtibmte exmmxkl tkx ehlm bg max ikhvxll hy xgvhwbgz.

~ latng

 

Now try and decode this message, with key value 123:

mabl bl t mxlm mh wxfhglmktmx ahp max xgvhwxk phkdl.

dghpg bllnxl:

- lhfx gnfuxkl pbee tvm max ltfx tl hmaxk gnfuxkl paxg ikxllxw mhh ftgr mbfxl. lhenmbhg = nlx lftee gnfuxkl.

- vtibmte exmmxkl tkx ehlm bg max ikhvxll hy xgvhwbgz.

~ latng

See?!

Try and spot a secret message somewhere on my site, and decode it here!