A small little online app for when you need to trust that your dice are fair.
Try it out: https://brianhempel.github.io/dice/
The app uses window.crypto.getRandomValues() to ensure high quality randomness.
Overkill for just rolling some dice? Nah... ;)
Secure Random Dice Roller is dedicated to the public domain by its author, Brian Hempel. No rights are reserved. No restrictions are placed on the use of Secure Random Dice Roller. That freedom also means, of course, that no warranty of fitness is claimed; use Secure Random Dice Roller at your own risk.
This public domain dedication follows the the CC0 1.0 at https://creativecommons.org/publicdomain/zero/1.0/