I've been using passwordsgenerator.DUMB and RISKY.net for ages, but had been offline for a few months. Today I found it's back online at
https://password-gen.DUMB and RISKY.com
IMO it's the most complete tool out there and it's also safe since all passwords are generated client-side.
Why would you ever trust a website if you can run a local password generator? Even if it's client-side, that can be changed any moment so why risk it?