How to Add Social Media Icons to an Email Signature
Enhance your email signature by adding social media icons. Discover step-by-step instructions to turn every email into a powerful marketing tool.

Finding that perfect social media handle is one of the first, most satisfying steps in building a brand online, but it often ends in frustration when you discover your name is already taken. This guide will walk you through exactly how to check for handle availability across all the major platforms, give you a solid backup plan for when your first choice is gone, and show you how to navigate the tricky situation of inactive accounts.
Before jumping into the "how," it’s worth understanding why this is such a big deal. Your social media handle, or username, isn't just a login detail, it's a foundational piece of your digital identity. Getting it right from the start saves you a world of headaches later on.
The most straightforward way to check for a username is to do it manually. It’s time-consuming but gives you a definitive answer directly from the source. The basic formula is to type the platform's URL into your browser followed by a slash and your desired handle (e.g., platform.com/username).
Go to instagram.com/yourdesiredhandle. If a profile loads, the username is taken. If you get a "Sorry, this page isn't available" message, it's very likely available. You can also confirm by starting the signup process in the app and entering the username, Instagram will tell you immediately if it’s free.
Similarly, visit tiktok.com/@yourdesiredhandle. The URL structure for TikTok includes the "@" symbol. If an account page appears, you know it's unavailable. If you get an error page, you're probably in luck.
Head to x.com/yourdesiredhandle. X will either show you the user's profile, a message saying the account is suspended (still unavailable), or a page indicating the user does not exist.
Facebook is a bit trickier because you need to check for both personal profiles and business Pages. URLs can be facebook.com/yourdesiredhandle for personal profiles and vanity URLs for Pages. The best way to check is to use the Facebook search bar. Type in your desired name and filter the results by "Pages" to see if a business is already using it officially.
YouTube has simplified things with handles. Just like the others, you can check by visiting youtube.com/@yourdesiredhandle. This now works for every channel, making it easy to see if your ideal name has been claimed.
You’ll want to check two places on LinkedIn: company pages and personal custom URLs. First, search for your brand name and filter by "Companies." For personal URLs, the format is linkedin.com/in/yourdesiredhandle, but these don't have to be unique across the platform in the same way, so your primary concern is the company page name.
Good news! Threads is directly tied to your Instagram account. If you secure the handle on Instagram, you automatically get the same one on Threads. You don't need to check it separately.
If checking a dozen sites manually sounds painful, you're right. Fortunately, there are free online tools built specifically for this task. Websites like Namechk or Checkuser let you enter your ideal handle once and then run a search across dozens, or even hundreds, of social networks and domain extensions simultaneously.
You’ll see a grid of logos that turn green if the name is available and red or grey if it's taken. This gives you a fast, bird's-eye view of your handle's availability across the web.
These tools are best used for initial research. Once you find a handle that looks promising, confirm it manually before buying a domain name or printing business cards.
This is where most people get stuck. Don’t panic and don’t add "123" to the end of your name. With a little creativity, you can find a variation that is just as strong - if not stronger - than your original idea.
Instead of compromising the core of your brand name, add a simple, logical modifier that expands on it.
Your goal is a clean, easy-to-remember handle. Some common mistakes can sabotage that.
Perhaps the most frustrating scenario is finding your perfect handle on an account that hasn't posted since 2014 and has three followers. A logical thought follows: can I ask the platform to give it to me?
The short answer is almost always no.
Social media platforms have very strict policies to protect user privacy and prevent squatting disputes from overwhelming their support teams. Here’s a quick breakdown:
You might be tempted to contact the owner and offer to buy it. This is a risky path. Buying, selling, or trading usernames is almost universally prohibited in the terms of service of all major social platforms. If the platform detects such a transaction, they can - and often will - suspend the account and ban both parties involved. It's safer and cheaper in the long run to pick one of your creative alternatives.
Securing a consistent, professional social media handle is a fundamental first step in establishing your brand's digital identity. By using checker tools to do your initial research, confirming availability manually, and having a creative backup plan ready, you can find a great name without getting stuck.
Once you've locked in all your brand new handles, the next step is keeping them all active and cohesive. At Postbase, we built our social media management tool precisely for the modern creator and marketer who needs to be on multiple platforms at once. We help you schedule content across every account from one visual calendar - even video-first formats like Reels and TikToks that older tools struggle with. When you're ready to stop juggling apps and start building your brand efficiently, you might like what we've created at Postbase.
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