Send Mass Mail + HTML inserter for Gmail
- Extension status: Featured
- Live on Store
A Gmail Extension
✉️ Send Mass Mail + HTML Inserter for Gmail — Supercharge Your Gmail Campaigns with AI
COMPOSE your email marketing campaigns right inside Gmail
Create and send personalized campaigns to thousands of recipients directly from Gmail. Install the Send Mass Mail + HTML Inserter for Gmail Chrome extension, click “Compose,” write your message, select your list — and hit “Send Mass.” No complex tools, just Gmail.
NEW: Save time with a built-in AI email assistant — generate smart, professional, and context-aware replies instantly. Perfect for sales, support, and outreach teams.
SEND emails to undisclosed recipients
Send mass emails as if they were personal — each recipient gets an individual email without seeing others’ addresses. Ensure privacy and boost trust in your brand.
The integrated AI assistant helps you handle replies faster with intelligent suggestions tailored to your message history and tone of voice.
MEASURE campaign performance
All sent campaigns are stored in your Campaigns panel, where you can track deliveries, queues, and open rates. Filter and export statistics as PDF, CSV, or TXT.
PERSONALIZE your messages
Easily import recipient lists from Google Sheets, merge data fields, and send dynamic, personalized messages at scale.
Now with AI-powered personalization:
✅ Save and reuse high-performing prompts
✅ Write follow-ups in seconds
✅ Maintain consistent tone and brand voice across emails
Why choose Send Mass Mail + HTML Inserter for Gmail:
✅ Send thousands of emails in bulk
✅ Personalized emails to undisclosed recipients
✅ Real-time campaign tracking and statistics
✅ Familiar Gmail interface with advanced tools
✅ AI email assistant for faster replies and personalization
✅ Works with Google Sheets for mail merge
✅ Easy to install and use
✅ Boost your email productivity and outreach efficiency
🔑 Keywords:
email automation, Gmail bulk sender, AI email assistant, mass email for Gmail, mail merge Gmail, email campaign tracking, email productivity, Google Sheets email merge
Latest reviews
It's really great, making my work easier. I hope MailBrother will still be free to use in the future.
Great app! What's the limit to send per day
free?
Simple as cake and does the job well!
That's Great. Nice Job.
Best bulk emailing extension we have used!
Mail Brother has been a game changer for my business. The user-friendly interface. The analytics and reporting features provide valuable insights, helping me refine my campaigns for maximum impact. It's an essential tool that has boosted our engagement and grown our subscriber base significantly." James P. Goodman
Great tool for cold email campaigns. Lots of additional features.
Makes life easier and speedy way to reach your target audience.
one of the best mass email extentions out there!
Great App for sending bulk emails
Amazing tool for quickly connecting people in your industry
This tool saved me lots of time to organize a 100+ people retreat camp. Love it!
Best business tools, it works great and easier
love it best business tool
The best tool out there for cold emails
Amazing extension, helps me reach multiple clients faster without having to email them individually again and again.
Works best for me.
It is a very good tool to use to generate business! Highly recommend.
Must have! Low price and easy to use.
Great for my small business
Speeds up everything in my workflow!
useful chrome extension
So far so good, like the product but in first test stages
Works great and makes my marketing work much easier
used the standard version of it. Sent 1800 personalised mails in one-click. Looking to upgrade to a more premium version soon.
Would be great if the payment gateway is India-friendly. UPI mode thru Stripe, Razorpay, PayU will make it more smooth.
Amazing. No external platform, insanely good deliverability, affordable. What more to ask for?
helpful for me to automate my emails and follow up!
Excellent product, works great, sent out my first email blast!
Honestly so nice... lol the fact I can track opens is awesome and send mass amounts and get data
Must have! Low price and easy to use.
It is a very good tool to use to generate business! Highly recommend.
The onboarding videos were really helpful, thanks!
gmass is just what i wanted. wish gmail could allow me 50000 mails per day though :(
Great for outreach, average for newsletters
Great for outreach, average for newsletters
Very cheap in comparison to the competitors and easy to use!
Easy to install, and even easier to use
Best Chrome extension for Email. Loved it
Just started using it and hopefully it will be a great experience
Just the fit to my requirements. Worth it !
Works great and makes my marketing work much easier
I'ts an excellent tool to sale and be in touch with my clients.
Greatest and easiest tool to use. Nothing else matches the simplicity of MASS
Easy to set up and use for sending mass emails, no more mail merges!
An amazing tool for email campaigns. This makes my work lot more easier and simple
An amazing tool for email campaigns. This makes my work lot more easier and simple
Amazing software capabilities! Highly recommend!
I really enjoy with features on It.
