Gmass Powerful Mail Merge Chrome extension icon

Gmass Powerful Mail Merge

✨ AI-Powered
👥 400K+ users
📦 v6.0.42
💾 303KiB
📅 2025-12-14
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Lets you create and send professional-looking mail merges with ease, using Gmass Powerful Mail Merge to streamline your email marketing efforts for businesses and marketers who need to manage large lists of contacts.

Overview

The easiest way to transform Gmail into a cold outreach, email marketing, and mail merge platform.

** Join the almost 400,000 others who’ve given us an average of 4.8 out of 5 stars **

No credit card required + send 50 emails per day free during your free trial!

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Key features
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* Send cold email and email marketing messages to thousands of addresses

* Unlimited contacts, campaigns, AND emails

* Mail merge personalization with data from Google Sheets

* Personalize each mass email (even send personalized images and attachments)

* With GMass MultiSend's inbox rotation feature, you can distribute your campaign across multiple accounts!

* Hit the inbox, not the spam folder. 99% of GMass users report the best deliverability they’ve ever had.

* Spam Solver - test messages before you send to find spam rates, then use suggested tweaks to improve

* Send auto follow-ups based on opens, clicks, and replies. NEW - Send any stage of follow-ups on demand.

* ChatGPT campaign creation — generate an entire email campaign, follow-ups, and GMass settings by typing in a prompt

* Automatically skip sending emails and automations on holidays, and choose custom days of the week to send/not send a campaign

* Send triggered emails that go out automatically when a recipient opens or clicks — reach your prospects when you know they're in their inbox

* Automate your outreach by automatically sending to new contacts in your Sheet using GMass's recurring campaigns

* Connect your CRM or other apps using the GMass API or Zapier

* Track opens, clicks, and replies — with instant reply and bounce detection. No more delays; see replies and bounces in your report in a matter of seconds.

* Free email verification — verify email addresses before you send your campaigns

* Set DKIM through GMass for authenticated sending with a SMTP server.

* Help with the new Google/Yahoo bulk sender requirements is here - https://www.gmass.co/blog/gmail-bulk-sender-guidelines/. We've also created a one-of-a-kind system to help users with free Gmail addresses sending campaigns via a SMTP server pass DMARC - https://www.gmass.co/blog/gmail-smtp-dmarc/

* Emails can be sent as replies to the last conversation you had with each recipient

* Unsubscribe and bounce management to automatically process unsubs/bounces, suppress future messages to those addresses, and more.

* Hundreds of other features: Schedule emails, throttle sending speed, custom tracking links with SSL, A/B testing, spintax for varying up your copy, quick email polls with custom landing pages, add a countdown timer to emails, drip campaigns, HTML editing, use Gmail's built-in layouts for email marketing, 1-click replies, reusable templates, one-click social media sharing of campaign results, and so much more

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Keep up with GMass
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Website: https://www.gmass.co

What makes GMass different/better? https://www.gmass.co/blog/what-makes-gmass-better/

Quickstart guide: https://www.gmass.co/quickstart-guide

Blog: https://www.gmass.co/blog

Twitter: https://twitter.com/GMassForGmail and https://twitter.com/PartTimeSnob

YouTube: https://www.youtube.com/gmass/

Support: https://gmass.co/g/support

Latest updates: https://www.gmass.co/updates

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How does GMass compare to other Gmail extensions?
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Mixmax: cool extension, but you have to use its external web portal to send campaigns. With GMass, the magic happens inside Gmail, using just the red GMass button.

Yesware: similar to Mixmax, you can't send campaigns inside Gmail. You have to use their web interface.

Plus, both Mixmax and Yesware are more expensive than GMass.

Mailtrack and Snov.io: Lets you track individual emails, but with GMass, you can eliminate Mailtrack and Snov.io because GMass can track both individual emails and campaign emails. Use the GMass button on both one-on-one emails and campaigns.

Copper: Good CRM system, but not meant for sending email campaigns. Same for
Gmelius and Streak CRM.

Lastly, GMass works seamlessly with Grammarly to ensure your campaigns contain perfect prose and are error-free.

Tags

Productivity/communication email productivity/communication

Privacy Practices

Not being sold to third parties, outside of the approved use cases
Not being used or transferred for purposes that are unrelated to the item's core functionality
Not being used or transferred to determine creditworthiness or for lending purposes

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