Send personalized mass emails and track your results on Gmail™
Listing updated:November 17, 2025
Independent security verification
Works with:
3M+
Overview
Mergo Mail Merge
Send personalized mass emails. Mergo helps you write better emails and track your results effortlessly, powered by Gemini.

Mergo is a powerful mail merge add-on for Gmail™ , Google Sheets and ™Google Docs™, that helps you send personalized mass emails with ease, while tracking opens, clicks, and replies, and sending automated follow-ups to boost engagement. It uses Gemini AI to enhance your subject lines and content. Mergo also works with Microsoft Excel and CSV files, and lets you design beautiful newsletters.

Use Cases
-Lead Generation & Sales Prospecting: Import contacts from Google Contacts, CRM exports (Salesforce, HubSpot, Copper), or CSV files. Send targeted, personalized emails to prospects and manage your pipeline easily.
-Event Invitations & Reminders: Schedule and send personalized invites with attachments for corporate events, meetups, or product launches. Automate reminders to boost attendance.
-Promotions & Newsletters: Share promotions, discounts, and regular newsletters while tracking opens, clicks, and responses to improve customer engagement.
-Internal Communications: Streamline updates between managers, teams, HR, and parents, adding CC/BCC recipients to ensure no one misses critical information.
-Customer Feedback: Send satisfaction surveys and collect valuable insights to improve your services.
-PR & Media Campaigns: Share news with journalists, bloggers, and influencers to increase awareness.
-Greetings & Personal Messages: Easily send personalized greetings for holidays, birthdays, or thank-yous.
Features
-Send emails in bulk in no time to hundreds of recipients
-Personalize your email using merge fields like {{First Name}} in your Gmail™ template or in your Google Sheets™ contact list.
-Track opens, clicks, replies, bounces, and unsubscribes in real time.
-Automate follow-ups in the same email thread to increase response rates.
-Schedule campaigns for the best time to reach your audience.
-Use Gemini AI to enhance your subject lines and content for better engagement.
-Add personalized attachments, CC/BCC, reply-to, and use Gmail™ aliases.
-Turn Google Docs into Gmail™ drafts and send beautiful newsletters.
-Automatically import your contacts from Google Contacts
-Send a test email to yourself so you can preview its formatting, links, and images.

Pricing
➤ Freemium: first campaign 100% free, then free for up to 30 emails / campaign.
➤ Plans start at $1.50 / month. 
➤ Monthly, yearly & lifetime plans available.
➤ Team plans available for Google Workspace domains.
https://pricing.mergo.app/

Need Support?
Contact support@mergo.app and our team will get back to you shortly!
Or visit our help center: https://help.mergo.app/

Why Choose Mergo?
➤ Built for Security
Mergo keeps your data private by ensuring your recipient lists stay in your Google Sheets™ and your email content remains in Gmail™. As a next-generation Google add-on, Mergo’s code runs securely on Google’s infrastructure, without injecting custom scripts that could compromise your data. We also undergo annual security assessments to maintain the highest security standards.
To learn more check our Privacy Policy page: https://www.mergo.app/privacy-policy
➤ Gmail™, Sheets & Docs Integration
Unlike other mail merge tools, Mergo fully integrates with Gmail™ and Google Sheets™, allowing you to send campaigns directly from Gmail™ drafts, while managing and tracking your contacts from Google Sheets™.You can also use Google Docs™ to create and manage beautiful email templates for your campaigns with Mergo.
➤Enhanced with Gemini AI
Mergo uses Gemini AI to optimize your subject lines and content, helping you get more opens and responses

Support Mergo
If you enjoy Mergo, please consider leaving a review on this page to help us continue improving! 
You may also want to try our other apps like Folgo (https://www.folgo.app/) and Publigo (https://www.publigo.app/).

About Mergo 
Romain is also the creator of Yet Another Mail Merge (YAMM), Awesome Table & Form Publisher. He is not involved in those products anymore (they are now maintained by Talarian).
Romain is a member of the Google Developer Expert (GDE) program and has been working on Google Apps Script and Google APIs for more than 10 years.
Additional information
PricingFree of charge with paid features
Privacy policy
Terms of service
Mergo Mail Merge will ask for the permissions shown below. Learn more
Mergo Mail Merge will need access to your Google account
This will allow Mergo Mail Merge to :
See, edit, create, and delete all your Google Docs documents
See, edit, create, and delete only the specific Google Drive files you use with this app
See and download all your Google Drive files
See, edit, create, and delete all your Google Sheets spreadsheets
Run as a Gmail add-on
Manage drafts and send emails
Read, compose, and send emails from your Gmail account
View your email messages and settings
Manage your sensitive mail settings, including who can manage your mail
See, edit, download, and permanently delete your contacts
Display and run third-party web content in prompts and sidebars inside Google applications
Connect to an external service
Allow this application to run when you are not present
Send email as you
View your country, language, and timezone
See your primary Google Account email address
See your personal info, including any personal info you've made publicly available
Loading
Search
Clear search
Close search
Google apps
Main menu