Feb 8 2017
We have installed letsencrypt/certbot. You can now start testing on https://tools.pediapress.com/
Feb 7 2017
Thank you @Dzahn, that's an excellent suggestion. I will look into it and try to set it up for tools.pediapress.com.
Thanks for the heads up. If there is no other option, we can get a wildcard SSL cert for tools.pediapress.com.