Good news for Gmail users, Gmail now supports rich text signatures where you can now go directly to your signature section in settings in Gmail and you will find rich text editor which allows to customize your own signature by adding formatting, links and images.
Till now Gmail users used to add signature containing HTML links using Greasemonkey scripts , browser add-ons and also using canned responses from Gmail labs.No more ways to find add rich text signatures as Gmail now supports that feature.
With Rich text editor in signature section in Gmail you can able to change colors or font size of your signature, insert images , or links.Gmail now supports unique signature for each email address associated with your account.You can able to send using different signature if you send mail using Custom form address.
At present latest desktop version of Gmail rich text signatures and multiple signatures.The older version and HTML version of Gmail along with mobile versions to use plain text version as signature.[via]