How to install HTML email signature in the web-based version of Gmail
Step 1 — Create your signature
Create your email signature in Mirosign.com.
Step 2 — Create a new blank signature in Gmail
Log into Gmail.com on desktop
Click Settings cog ⚙️

Select See all settings

- Scroll down to the Signature: section
- Click + Create new
- Name it “mirosign.com signature”


Step 3 — Copy signature
Return to Mirosign.com and click download HTML file
Open the HTML file in a browser such as Firefox, Chrome, Edge or Safari
Select the entire signature by pressing Ctrl+A or (cmd⌘+A on a Mac)
and copy by pressing Ctrl+C or (cmd⌘+C on a Mac)
Step 4 — Paste signature
Return to Gmail and paste it into the signature window.
Select the signature defaults below choose for new email use and on reply forward use: Mirosign.com signature.
Click save changes at the bottom of settings page.
An HTML email signature added to Gmail will display on a mobile phone but may appear smaller than desktop version.