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How to Create an Email Signature in Gmail (2026 Guide)

Step-by-step guide to creating, formatting and managing email signatures in Gmail on web, Android and iOS — including multi-signature switching and Workspace tips.

Alexis Dollé By Alexis Dollé · ·
How to Create an Email Signature in Gmail (2026 Guide)

As of early 2026, Gmail’s multi-signature picker — which lets you maintain several distinct signatures and switch between them in any compose window — is fully rolled out across both personal and Workspace accounts, per Google’s Gmail Help documentation updated in 2025. A signature you set once on Gmail web syncs server-side, which means it appears whether you compose on Chrome, Android, or iOS. This guide walks you through the exact steps to create, format, and manage your Gmail signature, plus the settings most people miss.

What a Gmail signature does (and doesn’t do)

A Gmail signature is a block of text, links, or images that Gmail appends automatically to the bottom of outgoing messages. You create it once in Settings, and Gmail injects it into the compose window every time you start a new email or reply. The signature is stored server-side, so it appears consistently across all devices signed into the same account.

This sounds simple, but there are a few behaviors worth understanding before you build your signature:

It is injected at compose time, not send time. You can see and edit the signature in the compose window before hitting Send. This means if your signature has a typo, you can fix it inline on that email without touching Settings.

Replies and new messages can have different signatures. Gmail lets you assign one signature for new emails and a different (usually shorter) one for replies and forwards. Most people do not configure this, then wonder why their full 10-line block shows up every time they reply to a thread.

Images in the signature are hosted externally or inline. When you upload an image via the Settings editor, Gmail hosts it on Google’s servers and references it by URL. Recipients without “show remote images” enabled may see a broken image. Plain text fallback in the alt attribute helps.

I tested this in May 2026 across Chrome on Windows and the Gmail Android app: a signature created on web appeared instantly in the Android compose window, confirming the server-side sync works as described in Google’s Gmail Help (support.google.com/mail/answer/8395).

For broader inbox organization, the Gmail labels guide pairs well — a well-structured inbox makes your signature-backed outreach easier to track.

Creating a signature on Gmail web — step by step

To create a Gmail signature on web: click the gear icon, click See all settings, scroll to the Signature section on the General tab, click Create new, name the signature, write your content in the editor, set the defaults for new emails and replies, then click Save Changes at the bottom of the page.

The exact click path:

  1. Open Gmail in a browser (any desktop browser works).
  2. Click the gear icon (Settings) in the top-right corner.
  3. Click See all settings. This opens the full Settings page.
  4. Stay on the General tab — it is the default.
  5. Scroll down to the Signature section. On a 1080p display it is roughly halfway down the page.
  6. Click Create new.
  7. A dialog asks for a signature name. This name is only visible to you — it is how you distinguish between multiple signatures. Type something like “Full signature” or “Short reply sig” and click Create.
  8. A text editor box opens. Type or paste your signature content here. The editor supports basic HTML-like formatting through its toolbar.
  9. Under Signature defaults, use the two dropdowns:
    • For new emails use: select this signature.
    • For replies/forwards use: select a signature or “No signature” if you prefer clean replies.
  10. Scroll to the bottom of the General tab and click Save Changes. There is no per-section save — you must scroll all the way down.

A confirmation banner briefly appears at the top. Open a new Compose window to verify the signature appears as expected.

Gmail’s signature editor supports formatted text (bold, italic, font size, color), hyperlinks, and images. You can insert a logo or headshot using the image icon in the editor toolbar. For advanced HTML formatting, you need to paste pre-written HTML into the editor via the source view or a workaround — Gmail’s editor does not expose a raw HTML tab by default.

Text formatting: The toolbar offers font family (a limited set), font size, bold, italic, underline, text color, and text alignment. Keep font choices to one family — mixing three typefaces in a signature reads as noise.

Adding a link: Select the text you want to link, click the link icon in the toolbar (or press Ctrl+K), paste the URL, and click OK. This is the right way to add a website or LinkedIn URL to your name — not a raw URL that wraps awkwardly on mobile.

Adding a logo or photo: Click the image icon in the toolbar. A dialog offers three options: uploading from your computer, linking to an image URL, and Google Photos. Uploading from your computer is the most reliable — Gmail hosts the image on its own servers and the link does not break if your website goes down. Keep images under 150 KB for fast rendering. Set a meaningful alt attribute (the dialog prompts for it).

HTML signatures: If your company has a pre-designed HTML signature, you cannot paste raw HTML directly into Gmail’s editor. The common workaround: open the HTML file in a browser, select all content, copy, then paste into the Gmail signature editor. The editor preserves most inline styles. Another method is using a dedicated Gmail signature generator tool (many exist) that produces click-to-copy formatted versions. Avoid pasting HTML from Microsoft Word — it generates messy inline CSS that breaks across email clients.

Character limit: Gmail’s signature editor supports up to 10,000 characters. In practice, any signature over 600 characters is too long for most business email.

Managing multiple signatures and switching mid-compose

Gmail supports multiple named signatures. You can create several in Settings, set one as the default for new messages, and then switch to any other signature from the compose window using the pen icon at the bottom of the compose toolbar — no need to go back to Settings.

This is the multi-signature picker that rolled out to all Gmail accounts in 2020 and is now fully stable. Here is how to use it effectively:

Creating a second signature: Return to Settings → General → Signature section. Click Create new again and name the new signature. Common use cases: a full signature with headshot and all contact details for cold outreach, and a minimal two-line version for thread replies.

Setting defaults: The “For new emails use” and “For replies/forwards use” dropdowns under each signature let you automate the most common pairing. Most people set:

  • New email → full signature
  • Reply/forward → short signature or no signature

Switching in the compose window: When composing, look at the bottom toolbar of the compose window. There is a pen/signature icon (it looks like a small pencil over a horizontal line). Click it and a dropdown shows all your named signatures. Click the one you want — it replaces the current signature in the compose window immediately, without affecting any other email.

I tested the multi-signature picker in May 2026 and the switch is instant — no page reload, no draft loss. It is particularly useful for anyone managing two roles from one Gmail account.

For managing multiple Gmail accounts altogether, the Gmail add another account guide is the natural complement — each account has its own independent signature settings.

Signatures on Android and iOS

The Gmail mobile apps on Android and iOS have a separate, simpler signature setting that is distinct from the web Settings signatures. Mobile Gmail signatures are plain text only, stored per account on the device, and do not sync with the rich signatures you configure on Gmail web. For HTML or formatted signatures on mobile, you need the web-based signature to already be set — the mobile app will use it when replying to threads, but the dedicated mobile setting only controls the plain-text fallback for new messages composed in the app.

This is a source of genuine confusion. Here is how it breaks down:

On Android:

  1. Open the Gmail app.
  2. Tap the hamburger menu (three lines, top-left).
  3. Scroll to and tap Settings.
  4. Tap the account you want.
  5. Tap Mobile Signature.
  6. Type your signature (plain text only) and tap OK.

On iOS:

  1. Open the Gmail app.
  2. Tap the hamburger menu (top-left).
  3. Tap Settings.
  4. Tap the account you want.
  5. Tap Signature Settings.
  6. Toggle the signature on and type your text.
  7. Tap Save.

The important caveat: the Gmail mobile signature and the Gmail web signature are stored separately. If you configure a rich HTML signature in Gmail web Settings, that signature applies to messages composed and sent from Gmail web and typically also to messages composed in the Gmail mobile app (because the mobile app reads the account’s server-side signature). However, if a Mobile Signature is also set in the app, Gmail may display both — resulting in a doubled signature. The fix: either leave the Mobile Signature blank and rely entirely on the web-configured signature, or set both to the same simple text.

Workspace-specific signature settings

Google Workspace adds two capabilities beyond personal Gmail: Workspace admins can deploy and enforce standard signatures across the organization using append footer compliance rules (in the Admin console under Apps → Google Workspace → Gmail → Compliance), and users get the send-as and alias signature controls. Each send-as address can have its own independent signature.

Admin-enforced footer vs. user signature: Workspace admins can add a compliance footer that appends legal text (e.g., confidentiality disclaimers) to every outgoing message from the domain, regardless of what the user’s personal signature says. This footer appears after the user’s signature. Users cannot remove it — it is injected server-side at the routing level. If your organization’s emails already end with a legal block you did not write, this is why.

Send-as signatures: If you have multiple send-as identities configured (e.g., firstname@company.com plus support@company.com), each address can carry its own signature. When composing, change the From: address via the dropdown and Gmail loads the corresponding signature automatically. Setting this up: go to Settings → Accounts and Import → Send mail as → edit the send-as address → Configure a signature for this address.

Gmail for Workspace mobile: Workspace accounts on Android and iOS follow the same mobile-vs-web split described above. Mobile Signature in the app is plain text; the web-configured signature (per send-as) is the richer one.

For related Gmail organization at the filter level, see the Gmail filter guide — useful if your team routes mail by sender and needs signatures to match the routing logic.

What makes a good email signature (and what kills it)

A functional email signature contains: your full name, job title, company name, one phone number, one website URL, and optionally a headshot or logo. It should fit in under 6 lines of visible text. Everything beyond that is noise — banners, inspirational quotes, multiple social icons, and legal disclaimers that belong in a footer — and most of it hurts more than it helps.

What works:

  • Full name + title on line 1. Your email address already shows your name in the header — the signature confirms it with context.
  • One direct contact method. A phone number you actually answer. Not four numbers, not a general info@ address — one number.
  • One URL, linked cleanly. Your company site, your LinkedIn, or your Calendly link if you want people to book meetings. One, not three.
  • A small logo or headshot (optional). Adds human signal in B2B contexts. Keep it under 100px wide so it does not dominate the message on mobile.

What kills it:

  • Inspirational quotes. Every recipient has seen “Be the change you wish to see.” It adds nothing and signals low editorial judgment.
  • Six social media icons. Three pixels wide on mobile, unlabelled, and most recipients do not click them. If LinkedIn matters, write the text “LinkedIn” and hyperlink it.
  • Animated GIFs. They break in plain-text email clients, trigger spam filters in some environments, and look unprofessional in most B2B contexts.
  • Marketing CTAs in every signature. One contextual CTA in a signature is fine — “Book a 15-minute intro call” with a Calendly link, for example. Four CTAs is a billboard, not a signature.
  • Font size under 11px. Renders as nearly invisible on retina displays at reading distance.

The right benchmark: if someone printed the email, would the signature still make sense? If it is a block of broken image placeholders and invisible URLs, it failed the test.

Common signature problems and how to fix them

The most frequent Gmail signature failures are: the signature not appearing because Save Changes was not clicked, double signatures on mobile because both web and mobile signatures are set, images not loading because the recipient’s client blocks external images, and formatting that breaks in plain-text clients. Each has a direct fix.

Signature not appearing after setup: Cause: clicked away from Settings without scrolling to the bottom and clicking Save Changes. Gmail does not auto-save the General tab. Fix: return to Settings → General → scroll to the very bottom → Save Changes.

Signature appears on new emails but not replies: Cause: the “For replies/forwards use” dropdown is set to “No signature.” Fix: Settings → General → Signature → find your signature → change the “For replies/forwards use” dropdown to your preferred signature.

Double signature on mobile: Cause: both a Gmail web signature and a Mobile Signature in the app are set. Fix: Settings → Gmail app → Mobile Signature → clear it and leave it blank. Let the web-configured signature handle everything.

Images not loading for recipients: Cause: recipient’s email client blocks remote image loading by default (common in enterprise Outlook environments). Fix: include meaningful alt text on your image. Also consider whether the image is essential — many professional signatures work perfectly with text alone.

Signature formatting looks broken in certain clients: Cause: your HTML signature uses properties that Outlook or Apple Mail does not support (e.g., CSS flexbox for layout). Fix: use table-based HTML layout for signature elements that need side-by-side positioning (logo + text). Tables are ugly to write but universally supported. Alternatively, use a plain two-column layout via simple inline CSS.

Signature inserted above quoted text on replies: This is the correct Gmail behavior. Gmail places your signature above the reply chain by default. If you prefer it below, there is no native setting to change this — it is an intentional design choice.

A quick pre-send checklist:

  1. Signature visible in the compose window?
  2. Name and title spelled correctly?
  3. All links working (click each one)?
  4. Image loading (if used)?
  5. Render acceptable on mobile? (Compose from Gmail web and preview on your phone.)
Alexis Dollé, founder of Email Tools
Alexis Dollé
Founder & Editor

Alexis Dollé, email expert for 10+ years. Founder of Email Tools. I test every email client and utility myself, then write about them the way I’d explain them to a friend — no marketing fluff, no sponsored rankings, every claim sourced.

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Frequently asked questions

Where is the signature setting in Gmail?

Go to Gmail web, click the gear icon (Settings) in the top right, click See all settings, stay on the General tab, and scroll down until you see the Signature section. On Android: open the Gmail app, tap the hamburger menu, tap Settings, tap your account, tap Mobile Signature. On iOS: same path but tap Signature Settings.

Can I have multiple signatures in Gmail?

Yes. In Settings → General → Signature, click Create new to add additional signatures. Each gets a name you choose. You can set different defaults for new emails vs. replies, and switch between signatures inside any compose window using the pen icon in the compose toolbar.

How do I add an image or logo to my Gmail signature?

In the signature editor (Settings → General → Signature), click the image icon in the formatting toolbar. You can upload an image from your computer, link to an external URL, or insert from Google Photos. Uploading directly is most reliable — Gmail hosts the image and the link does not expire. Keep the image under 150 KB and always fill in the alt text field.

Why is my Gmail signature showing twice?

This usually means you have both a Gmail web signature (configured in Settings → General → Signature) and a Mobile Signature set in the Gmail app. Gmail may insert both. Fix: clear the Mobile Signature in the app (set it to blank) and let the web signature handle all devices.

Does my Gmail signature sync across devices?

Signatures configured on Gmail web are stored server-side and appear on all devices signed into that account, including mobile apps. The exception is the Mobile Signature setting inside the Gmail app — that is device-local and does not sync with the web signature.

Can a Google Workspace admin force a signature for all users?

Workspace admins cannot set or override individual users’ personal signatures from the Admin console. However, they can add a compliance footer (Apps → Google Workspace → Gmail → Compliance) that appends to every outgoing message at the routing level — users cannot remove it. This is commonly used for legal disclaimers.

Sources & references
  1. Google, “Add or change a signature in Gmail” — canonical reference for the web setup path, image insertion, multi-signature defaults, and mobile signature behavior. support.google.com/mail/answer/8395
  2. Google Workspace Admin Help, “Set up Gmail compliance footers” — admin-enforced footer rules distinct from user-level signatures. support.google.com/a/answer/2905869
  3. Google, “Send mail from a different address or alias” — send-as signature configuration for multiple identities. support.google.com/mail/answer/22370