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All the frontends have it, it's just a matter of finding where they hide it.
Which one are you using?

I tried keychain, hivesigner and hiveauth and none would accept my password, I can't even log in to hive to vote for witnesses

If you copied the keys from keychain and pasted them somewhere, there is often a space at the end.

I couldn't log in to keychain through PeakD. I don't seem to be able to log in to anything

You got keys somewhere, you made these comments, look in settings for node settings.

I can't get any of them to work

Can you still transfer money?
IF you can, then you might want to back up your money in a sock puppet.