How to do HTML signatures in Gmail Gmail doesn't support HTML in emails, but you can work around this by dragging the images directly into your messages or signature. Step 1 : Go to Gmail Settings –> General and look for the Signature area. Step 2 : In a new window create your signature. Step 3 : Now with your signature in one window and your Gmail account in another window. Drag one letter at a time into your Gmail signature box. When done dragging all images into your Gmail signature make sure to click Save Changes at the bottom of your Gmail settings page. Step 4 : You're done! Now compose a new email message and you will be able to see your new signature. You can also drag leters directly into the compose mail box too. Have fun! Please send us your comments or suggestions ()