A couple of email signature generators I have used before
The free version only allows 1 social icon
If you need to generate an html signature for your email then this is a great site http://htmlsig.com/
Make sure you don’t close the window or you’ll lose the data you entered.
I’d suggest creating a document to store the data the site asks for as it is useful to have on hand.
Here is mine, which took between 5-10 minutes to generate