Copy-Paste from Rendered HTML (Most Reliable)

1. Render your HTML in a browser:

   • Open your .html file in a browser like Chrome.

   • Make sure everything displays correctly.

2. Select and copy the rendered content:

   • Use your mouse to select the whole signature (images, links, formatting).

   • Right-click → Copy (or Ctrl+C / Cmd+C).

3. Open Gmail Signature Settings:

   • Go to Gmail.com

   • Click the gear icon (⚙️) → See all settings

   • In the "General" tab, scroll down to "Signature"

4. Create or edit your signature:

   • Click "Create New" or choose an existing one.

   • In the signature editor, paste (Ctrl+V / Cmd+V) the copied HTML content.

5. Scroll down and click “Save Changes”