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Mailmerge-JS

Supercharge Gmail with AI-powered email automation

email automationGmail toolscommand lineopen-sourceAI emailProductivityDeveloper ToolsEmail Marketing
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Collected: 2025/11/7

What is Mailmerge-JS? Complete Overview

Mailmerge-JS is an open-source command line tool designed to revolutionize email automation in Gmail. Powered by AI, it eliminates the hassle of email templating and data formatting, allowing users to effortlessly draft and send highly personalized emails directly from their Gmail inbox. This tool is perfect for professionals, marketers, and businesses that need to send bulk personalized emails without the complexity of traditional email marketing platforms. By leveraging simple command line operations, Mailmerge-JS provides a seamless way to automate email workflows while maintaining the personal touch that recipients appreciate.

Mailmerge-JS Interface & Screenshots

Mailmerge-JS Mailmerge-JS Interface & Screenshots

Mailmerge-JS Official screenshot of the tool interface

What Can Mailmerge-JS Do? Key Features

AI-Powered Email Personalization

Mailmerge-JS uses AI to help craft personalized email content that resonates with each recipient. The tool intelligently processes your template and data to generate emails that feel individually crafted, saving you hours of manual work.

Command Line Simplicity

With just a few simple commands, you can set up and start sending personalized emails. The tool's CLI interface makes it accessible to both technical and non-technical users who are comfortable with basic terminal operations.

Gmail Integration

Mailmerge-JS works directly with your Gmail account, eliminating the need for third-party email services. This ensures your emails maintain high deliverability while keeping all your email activities within Google's ecosystem.

Open-Source Flexibility

Being open-source means you can inspect, modify, and extend the code to meet your specific needs. The community-driven development also ensures continuous improvements and transparency in how the tool operates.

Template Management

Create and manage email templates with ease. The system supports dynamic fields that automatically populate with recipient-specific data, making each email feel personally written.

Best Mailmerge-JS Use Cases & Applications

Marketing Campaigns

Digital marketers can use Mailmerge-JS to send personalized outreach emails to leads or customers at scale, increasing engagement rates while saving significant time compared to manual sending.

Event Invitations

Event organizers can personalize invitations with recipient-specific details like name, location, or interests, making each invitation feel specially crafted for the recipient.

Customer Onboarding

Businesses can automate their customer onboarding sequences with personalized welcome emails that include customer-specific information and next steps.

How to Use Mailmerge-JS: Step-by-Step Guide

1

Install the package globally using npm with the command: 'npm i -g mailmerge-js'

2

Run the setup command: 'mailmerge setup' to configure your Gmail account and initial settings

3

Prepare your email template with placeholders for personalized content and your recipient data in CSV format

4

Execute the mailmerge command with your template and data file to send personalized emails

Mailmerge-JS Pros and Cons: Honest Review

Pros

Completely free and open-source with no hidden costs
Seamless integration with Gmail accounts
Simple command line interface makes it easy to use
AI-powered personalization enhances email effectiveness
Active community support and continuous improvements

Considerations

Currently only supports Gmail accounts
Requires basic command line knowledge
Lacks a graphical user interface (GUI)
Advanced features may require technical expertise to implement

Is Mailmerge-JS Worth It? FAQ & Reviews

Yes, Mailmerge-JS is completely open-source and free to use. You can install it via npm without any cost or subscription fees.

Basic command line knowledge is helpful but not required. The setup and usage commands are straightforward, and comprehensive documentation is available.

Currently, Mailmerge-JS is specifically designed to work with Gmail accounts. Support for other providers may be added in future updates.

The AI helps optimize your email content by suggesting improvements and ensuring the personalized fields flow naturally within your template.

You can contribute to the project by opening issues or pull requests on the GitHub repository.

How Much Does Mailmerge-JS Cost? Pricing & Plans

Open-Source

Free
Full access to all features
Community support
Customizable codebase

Mailmerge-JS Support & Contact Information

Social Media

Last Updated: 11/7/2025
Data Overview

Monthly Visits (Last 3 Months)

2025-07
-
2025-08
-
2025-09
368

Growth Analysis

Growth Volume
+368
Growth Rate
36.8K%
User Behavior Data
Monthly Visits
368
Bounce Rate
0.4%
Visit Depth
1.0
Stay Time
0m
Domain Information
Domainmailmerge-js.dev
Created Time5/17/2024
Expiry Time5/17/2026
Domain Age539 days
Traffic Source Distribution
Search
40.7%
Direct
38.6%
Referrals
14.0%
Social
3.8%
Paid
2.0%
Geographic Distribution (Top 5)
#1IN
100.0%
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#5-
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Top Search Keywords (Top 5)
#1 - No Traffic Data Available
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