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Best Gmail Extensions: The 8 Best Extensions For Sales Professionals

In a world full of Instagram influencers, witty brand Twitter accounts, and boosted Facebook campaigns; email marketing might seem like something way too old school to be efficient. 

But when email marketing is done right, it’s far more effective than any passive marketing technique. 59% of consumers say that marketing emails DO have an impact on their purchases, and just as many marketers agree that it has the potential for huge returns on investment.

As a salesperson in the 21st century, all of your customers know the tricks of the trade, so you have to be tactful about how you initiate contact. Learning how to leverage the power of your Gmail extensions can boost your hit rate every step of the way—from the first contact to the closing deal.

If You’re In Sales & Use Gmail, You NEED These 8 Best Extensions!

Our #1 Pick: The Best Gmail Extension On The Market

The Best Gmail Extension for marketers: ZynBit.

If you’re in a rush, here’s the #1 pick right off the bat! ZynBit is without a doubt our favorite Gmail extension on the market, it’s packed with tons of useful features that aid you through the entire sales journey.

If you want to read our in-depth review on ZynBit, we’ve included it at the bottom of this list!

What Are Gmail Extensions?

As of April last year, there are over 1.4 billion Gmail users, making it the most popular email service on the net. Both individuals and businesses tend to prefer it because it offers great customization features called ‘Gmail extensions’ that can really improve workflow.

These extensions are capabilities that you can add onto your browser, Gmail, or other Google program to make it more powerful or more efficient. There are literally hundreds of thousands of extensions on the Chrome Web Store. Some of them are super useful, like the ones on this list.

Others are fun but utterly useless, like the mod that turns every image online into a picture of Nicolas Cage. Today we’re looking at the 8 best Gmail extensions for sales professionals! These extensions will boost your efficiency, increase your conversions & speed up your workflow!


Best Gmail Extensions For Sales Professionals

8. Grammarly - No More Pesky Typos!

Price: Free for basic features; Premium plans for as low as $11.66/month


Marketers spend hours crafting the perfect email marketing strategy. Imagine poring over the right words and the right content, only to find that the email you sent is riddled with typos, grammatical errors, and unreadable sentences.

Sending an email like that is not only unprofessional, it’s a total customer repellant. The Grammarly Chrome extension will help you avoid all those nasty mistakes.

Grammarly is more than just a spell-checker and grammar corrector, it also checks vocabulary and style.

Best of all, it works not just in Gmail but anywhere you type in Google Chrome!

7. WiseStamp - Sign Off Your Emails In Style!

Price: Free for individual use; Upgraded personal plans at $6/month; Corporate plans for as low as $2/month/user


If you’re under 30 and you think you’re hip, then you might be wondering, “Who even pays attention to email signatures anymore?”

Your customers, that’s who!

Think of your email as real estate. Each part is crucial to selling the bigger picture. If you’re not making the most out of your email signature, you’re losing out on a great opportunity to add value.

Your signature should contain a few vital pieces of information, such as your name, contact details, and a link to your website. But you can go even further by promoting upcoming books, webinars, your social media, or anything else you want to promote. You could even add photos, logos, and other eye-catching visuals to ensure that your signature doesn’t go unnoticed. Gmail does allow you to customize your email signature without an extension, but the WiseStamp plugin is incredibly unique. It’s easy to set up your signature just the way you want. Plus, you can enhance your signature with a real-time live feed of your Twitter, Facebook, LinkedIn, and more.

6. Yesware - Track Every Email Sent Through Gmail


If you’re a marketing professional and you’re not tracking your emails after you’ve sent them, you’re doing it wrong. It might sound harsh, but how can you maximize your email strategy if you don’t know what your potential leads actually do with your email?

Do they open it right away? Does it take hours before they read it? Are they even clicking on it at all?

Having this information will help you understand what you’re doing right and what you need to be doing better.

For example, if you have low open rates, you obviously need to work on your headlines. If you have high open rates but low reply rates, then you should probably focus on creating better email content. Yesware allows you to track exactly what’s going on with your email. You also get detailed analytics, templates, and the ability to schedule your emails. The more premium plans have even more features, such as the ability to sync with your CRM and other software.

5. Detective - Your Very Own Private Detective For Gmail

Price: Available upon request

Screenshot of Detective Email Extension

4. - Keep Track Of Your Gmail Inbox

Price: Starter plan for as low as $18/month

How many emails do you send out in a day? 10? 100? 1000? 

If you’re aiming to be a successful email marketer, that can easily hit the thousands. It’s hard enough to keep track of the few emails that come into your personal inbox, but when you’re dealing with huge numbers like that, it’s super easy to lose track of what you’ve sent and to who. is a top Gmail extension that helps you manage your emails much easier so that you won’t ever forget an important lead. It integrates right into your inbox—when you hit reply or send a new email, you’ll have the option to set a follow-up date. 

You don’t need to write it down or set it in your calendar; you’ll immediately get a notification when the date comes. You can also snooze low priority emails that you don’t want taking up your precious time, and leave them for when you’re free. Sorting emails by how urgent they are is a good way of getting through an intimidating inbox!

3. - Schedule Meetings In Your Gmail Inbox

Price: Free

What if you could get the convenience of an assistant without having to pay the salary of one? Manage your schedules in a way that’s smart and efficient with You can cut right to the chase and schedule meetings without ever having to leave your inbox. allows you to insert an interactive scheduler into your emails with clients. From there, the recipient can just click on the time and date they want to see you. Even better, the extension integrates with your calendar to pull your available dates and block off time slots for you.

2. Streak - A Gmail Addon By Marketers For Marketers,

Price: Free for basic features; Premium plans for as low as $49/user/month


Out of the millions of extensions on the Chrome Web Store, only a handful were really designed with you, as a marketing professional, in mind. That’s why Streak is so popular with people in our industry—it’s an add-on, by marketers, for marketers.

Streak rearranges your emails according to sales-specific categories such as “Lead”, “Met With”, “Pitched”, and “Closed”. This makes it easier to see where each customer is on the sales pipeline and focus your energy on the leads that matter the most.

There’s even a mail merge feature that lets you send personalized targeted emails en masse, an email schedule to manage marketing campaigns, and an email tracker to follow up with clients.

1. ZynBit - The Ultimate Gmail Sales Addon

Pricing: Starts at $9/month for the Starter plan

Synbit for Gmail in Google store.

Most CRM-integrated extensions for Gmail are incredibly expensive, but ZynBit somehow manages to offer remarkable features for roughly the price of a pizza each month. 

ZynBit integrates with Salesforce, one of the most popular CRM tools for enterprise sales professionals. Salesforce is powerful but notoriously cumbersome to use. ZynBit’s Gmail sidebar changes all of that, letting you access key functions from the comfort of your inbox.

With ZynBit for Gmail, you can access, create, and edit customer information. It also runs in the background and automatically records any activity, instead of you having to log it manually—potentially shaving hours off of your workload. You also get email tracking insights, automated calendar scheduling, and soon will include email templates to automate key sales workflows that will help you close more deals.

The BEST Gmail Extension On The Market

If you’re looking into the gold-mine that is proper use of email and CRM in sales, don’t underestimate the power of Gmail. With hundreds of thousands of extensions at your fingertips, you can modify your browser to create a lean, mean, customer-converting machine.

We’ve listed eight of the top Gmail extensions on the Chrome Web Store, from grammar checkers to CRM supports. We recommend that you use a combination of add-ons to make the most out of your inbox.

But if you can only spring for one, ZynBit is one of the best Gmail extensions out there that will give you enormous gains in productivity, practically eliminate all data entry, plus give you a ton more functionality to streamline your sales processes. ZynBit needs to be one of your first choices evaluating extensions that can make you more effective, especially if you are in sales and marketing.

Amy Green
Amy Green

Marketing Director at Cirrus Insight

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