How to Change Email Signature in Gmail: A Complete Step-by-Step Guide

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How you present yourself in business emails can make or break that first impression—and a well-crafted email signature plays a key role. Whether you’re a working professional, business owner, or part of a sales or marketing team, your email signature is a low-effort, high-impact branding opportunity. In this comprehensive guide, we’ll show you exactly how to change email signature in Gmail—on both desktop and mobile—and share tips for making it polished and professional.

Why a Strong Email Signature Matters?

An email signature is more than just a name sign-off. It serves as your digital business card. A thoughtfully designed signature helps reinforce your brand identity, provides essential contact details, and drives traffic to your website or social channels. From including logos and social links to embedding CTA buttons or legal disclaimers, your signature can do more than “say goodbye.”

If you’re currently using Gmail as your primary email platform, updating your signature is an essential step in maintaining a professional communication style. Let’s walk through how to do it correctly.

Also Learn How to Sign a Document in Email

How to Change Email Signature in Gmail on Desktop?

Changing your Gmail signature on your computer is a straightforward process. Gmail’s “Settings” menu gives users access to customization tools for crafting a signature that reflects their brand, personality, and professionalism.

Step 1: Open Gmail Settings  

– Log in to your Gmail account on a web browser.  

– Click on the gear icon at the top-right corner of the page.  

– Choose “See All Settings” to go to the full settings menu.

Step 2: Access the Signature Tool  

– In the Settings panel, ensure you’re on the “General” tab.  

– Scroll down to locate the “Signature” section.  

– If you haven’t created one yet, click “Create New” and name your signature. 

Step 3: Customize Your Gmail Signature  

Use Gmail’s signature editor to tailor your content. The editor offers basic formatting options similar to word processors, making it easy to integrate:

– Fonts, font sizes, and colors  

– Bold, italic, underline formatting  

– Embedded hyperlinks to your website, LinkedIn, or booking calendar  

– Images such as your logo or headshot  

You can create multiple signatures for different use-cases—such as emails for sales, support, or internal communication—and set them based on message type and recipient.

Step 4: Apply Signature Defaults  

Below the signature editor, Gmail allows you to assign a specific signature to:

– New emails

– Reply/Forward emails  

Choose the appropriate signature for each action by selecting from the dropdown menu

Step 5: Save Your Changes  

After editing, scroll to the bottom of the Settings page and click “Save Changes.” Your new signature will now automatically appear in emails based on the selected defaults.

How to Change Email Signature in Gmail on Mobile?

While Gmail’s mobile app doesn’t support the same level of customization as its desktop counterpart, users can still set up a basic signature to maintain a consistent tone and branding.

Update Gmail Signature on Android  

– Open the Gmail app on your Android device.  

– Tap the three horizontal lines in the top-left corner to open the menu.  

– Scroll down and select “Settings.”  

– Choose the email account you want to update.  

– Tap “Mobile Signature.”  

– Enter your new text-based signature.  

– Tap “OK” to save your changes.  

Update Gmail Signature on iPhone or iPad  

– Open the Gmail app on your iOS device.  

– Tap the hamburger menu (three lines) in the top-left corner.  

– Go to “Settings” and select the correct Gmail account.  

– Tap “Signature Settings.”  

– Toggle the Signature switch on.  

– Type in your updated signature and return to save

Note: Mobile signatures are typically plain-text only. That means no images, formatting, or clickable links. If your professional emails rely on stylized branding, it’s best to compose those from your desktop.

Tips to Create a Professional Gmail Signature

Whether building a personal brand or reinforcing your company presence, your signature should be clean, clear, and aligned with your communication goals. Here are key design tips:

1. Be Concise: Limit your signature to four to six lines. Include your full name, title, company name, and at least one contact method (phone number, website, or email).

2. Highlight Branding: Incorporate your logo or use your brand’s color palette. Make sure images are optimized for quick email loading.

3. Add Meaningful Links: Include a hyperlink to your website, portfolio, LinkedIn profile, or relevant calls to action. This can drive traffic and promote engagement

4. Avoid Clutter: Don’t overload your signature with quotes, emojis, or too many elements. Keep the layout clean for quicker reading and better scalability on mobile devices.

5. Test Across Devices: Send a few test emails to see how your signature looks on desktop, tablet, and mobile. This ensures it renders properly in different email clients.

6. Maintain Compliance: If you’re in a regulated industry, make sure your signature includes any legally required disclaimers.

7. Use Different Signatures When Needed: Have one detailed signature for external communications and a simpler one for internal emails. Gmail allows you to create and manage multiple signatures with ease.

Conclusion

Knowing how to change email signature in Gmail—on both desktop and mobile—gives you complete control over how your messages are received. A well-designed signature elevates every email you send, whether it’s reaching a client, colleague, or potential partner.

At Certinal, we understand the importance of digital professionalism. As a leader in secure and compliant eSignature solutions, we help organizations streamline communication while upholding their brand identity. If you’re looking to unify your email workflows with trusted digital processes, it’s time to take the next step.

Book a demo with Certinal today to discover how our secure, enterprise-ready tools can improve your email communications, digital signatures, and more.

Frequently Asked Questions

1. Can I have multiple email signatures in Gmail?  

Yes, Gmail allows you to create and switch between multiple signatures for different email scenarios.

2. Why isn’t my Gmail signature showing up in new emails?  

Your signature may not be assigned as default—check your Gmail settings under the Signature section to ensure it’s applied to new emails.

3. Can I add an image or logo to my Gmail signature?  

Yes, you can insert images into your Gmail signature using the desktop version’s signature editor.

4. Does Gmail support HTML email signatures?  

Yes, Gmail supports HTML formatting, allowing custom styles, clickable links, and images in your signature.

5. Can I change my Gmail signature from the Gmail mobile app?  

Yes, but mobile signatures are limited to plain text without images or rich formatting.

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Meet the Author
Senior Executive - Marketing
Certinal Inc.
Our Reviewer
Ankit Aggarwal
Associate Director Marketing
Certinal Inc.

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