Hi Chipp, try the attached updated version of Randomize and see if it is better.

This version has all the code moved to the .htm file so it runs in the main thread instead of doing a lot of interprocess communication which is what slowed down the original version.

In MoI v4 I've changed things so the code in the .js file will run on the main thread automatically instead of running out of process, which will speed it up a lot for chatty stuff like this but also make it more difficult to interrupt an ongoing script process.

- Michael