Over the years I've used PGLabs to test webwork codes, and there are a couple of features that would make things a lot easier:
1) A button to randomize the seed
2) A button to clear the box where we enter the code
Bonus requests:
3) A button to upload codes to PGLabs
4) A button to download codes from PGLabs
(1-2) are extremely useful and hopefully not too difficult to implement; (3-4) are icing on the cake.
Many thanks for your consideration.