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How to Set Up a Responsive Gmail HTML Signature in Minutes

Learn how to create, customize, and install a polished, professional signature that includes images, links, and more—no coding experience needed.

Generate an HTML signature
gmail html signature

There are three major methods of adding an email signature to Gmail. You can create one using Gmail’s signature settings, a free email signature generator like WiseStamp, or code a custom HTML signature from scratch. 

In this guide, we’ll show you how to create a responsive Gmail HTML signature and install it on Google Mail. 

Key Takeaways 

  • A Gmail HTML signature is a rich email signature that includes images, social media links, GIFs, banners, etc. 
  • Gmail’s email signature settings don’t render raw HTML code.
  • To add an HTML signature to Gmail, you’ll need to paste the code into an online HTML editor and then copy the rendered HTML signature. Paste the copied signature into Gmail’s email signature text box. 
  • Gmail’s Android and iOS apps support plain text signatures only, not HTML (rich text). 

What is an HTML Email Signature?

Before getting into how to add an HTML signature to a Gmail account, let’s first understand what it is.

An HTML email signature is a signature created using HTML markup language. In other words, this is when you write strings of code with your details, including contact information, clickable links, and custom graphics. 

To
Subject
Make it yours
Personal gmail email signature template with animated sales banner

Get an HTML signature like this one | Made with WiseStamp

An HTML email signature is a premium version of a plain text signature. Unlike a plain text signature that is text only, an HTML email signature takes things a notch higher. It lets you include fancy formatting, images, GIFs, and brand colors. This capability for superior customization to fit your business and marketing needs is what makes HTML signatures in Gmail a fantastic option for professional signatures. 

Can You Use HTML in The Gmail Signature?

You can definitely insert HTML signatures in Gmail. But it involves switching between tabs in that you have to create the code in MS Word, transfer it to an HTML editor, and then copy-paste it into Gmail signature settings. It’s a bit of work, but we’ve explained the process step by step in the next section. 

How to Create an HTML Signature for Gmail

While you can create an HTML signature for Gmail, you can’t do it using Gmail signature settings alone. Gmail does not have a built-in HTML signature editor, so you can’t write or edit your own signature code within Gmail’s signature text box. 

There are two possible workarounds for this:

  1. Combine word processing software and HTML editor to generate your HTML signature.
  2. Let WiseStamp’s free signature tool generate the HTML code for you.

How to Add an HTML Code in Your Gmail Signature Without it Breaking

Designing a Gmail signature HTML template is easy. The challenge is ensuring that your rich text features don’t break.

Your HTML email signature in Gmail also needs to be responsive, meaning it should resize to different devices and screen sizes. 

1. How to Add an HTML Signature to Gmail Manually 

Step 1

Create Your Signature in Word or Google Docs

Designing your HTML signature in MS Word
Step 2

Paste Your Signature Into a Free HTML Editor for Cleaning

How to Use a gmail html signature Custom HTML Email Signature in Gmail
Step 3

Styling Your HTML Signature

Edit your signature by styling and spacing it to your liking.

Step 4

Transfer Your HTML Signature to Your Gmail Signature Editor

Highlight and copy your email signature from the left panel (note: not the raw HTML code on the right panel). Paste the signature in your Gmail email signature editor box. To navigate to the Gmail signature editor, open Gmail and click the “Gear icon” in the top right corner, and then “See all settings.” Scroll to the “Signature” section and click “+ Create new” or edit an existing signature.

Step 5

Review Your New Signature 

Go over your new Gmail HTML signature and make sure it appears as you intended. If not, make the necessary changes in the HTML editor and copy-paste the signature anew.

Step 6

Save Your New Signature

Once you’re happy with the design and style of your HTML signature, scroll down and click “Save changes.”

Step 7

Test Your New HTML Signature

Try composing a new email to ensure your professional email signature appears correctly.

Now that you understand how to add HTML email signatures in Gmail the long way, let’s see how you can get the same results (or even better) in much less time. 

2. How to Add HTML Code in Gmail Signature (Automatic Installation)

The problem with hand-coding your Gmail HTML signature is that it’s very prone to errors. For instance, MS Word and Google Docs are notorious for adding invisible stuff in strings of code. These hidden characters are usually the cause of issues such as alignment problems and messed up images. 

Plus, the need to read, re-read, and clean an HTML Gmail signature code makes this method time-consuming.

If you want to add an HTML signature to Gmail without this hassle, use WiseStamp. WiseStamp creates 100% responsive HTML signatures without the need for coding and technical knowledge. 

Just sign up with your Gmail account and select your preferred email signature template. From here, all that’s left is to enter your personal details and design features like images, social media links, banners, and disclaimers. 

How to generate an HTML signature in Gmail

WiseStamp’s free signature builder will create your Gmail signature HTML in minutes and install it automatically in your Gmail account. You can also choose to export your signature as HTML and paste it into Gmail’s settings manually. Your choice.

To copy the HTML code for your WiseStamp email signature, go to the “My signatures” page, click “Install,” then click “HTML.” Use the “Copy” icon to copy the code. 

Can I Add an HTML Email Signature on My Gmail Mobile App?

Unfortunately, Gmail mobile apps (Android and iOS) are basic and support plain text email but not rich text. That’s to say, you cannot insert HTML signatures in the Gmail app.

Your Gmail web and desktop signatures also won’t appear on mobile emails. You need to set a separate email signature within your Gmail mobile app. Read more on how to add a professional email signature in the Gmail mobile app

Gmail HTML signature for mobile

Final Thoughts on Setting Up a Gmail HTML Signature

Coding is one way to add an HTML signature to Gmail if you already have the technical know-how. However, this process can be tedious and time-consuming. 

If you want to create an HTML signature for Gmail fast without the headache of coding, WiseStamp is a superior option. 

At WiseStamp, we combine over 17 years of experience with a real knack for design to ensure your Gmail HTML signature doesn’t just sign off. It stands out! \

FAQs

How do I solve the Gmail HTML signature showing as plain text?

This is a minor issue that mainly occurs when you have selected “Plain text mode”  in the email composer. To fix this and insert an HTML signature in Gmail, open a new message window and click the three dots at the bottom. Uncheck “Plain text mode.” Now open a new message to find your Gmail HTML signature as it should. 

How to fix a “Gmail signature too long” error?

If you see the “signature too long” error, it means you’ve exceeded the 10,000-character limit allowed by Gmail. If you’re trying to add an HTML signature to Gmail from another source like MS Word, you’ll want to ensure that no hidden formatting or code sneaks into your signature. You can clean this up by copy-pasting your HTML template into a web HTML editor. Use the clean button to remove hidden code then copy-paste your new HTML signature into Gmail’s signature text box.  If you’re struggling to stay within the limit, consider using WiseStamp’s free email signature generator. We know how to automatically add an HTML signature in Gmail while ensuring it fits perfectly and looks great across different devices and screen sizes.

How do I add an image to my HTML email signature in Gmail?

Gmail’s email signature settings only allow images available through a URL.  Start by uploading your image to Google Drive or a hosting service like Dropbox, Imgur, or your website. Next, go to Gmail email signature settings and click the “Insert image” icon. In the pop-up window, paste your image’s URL in the space provided and then “Insert image.” You can resize the image using the three available size options (small, medium, and large). Once you’re satisfied with the image, scroll down and click “Save changes.”

Why is my Gmail signature HTML not working?

If you have followed our guide on how to add an HTML signature to Gmail but it’s not showing, make sure:  i) Your Gmail HTML signature is selected under “Signature defaults” ii) You’ve selected your HTML signature in Gmail, not “No signature,” to appear in new emails and replies/forwards

How do I enable HTML formatting in Gmail?

To enable HTML formatting in Gmail, click the “Compose” button to create a new email. Click the three dots at the bottom in the compose window and uncheck “Plain text mode.”

Does Gmail allow adding HTML signatures on mobile apps?

No, when using the Gmail app on an Android or an iPhone, you cannot insert a signature in HTML as the apps only support plain text signatures.