Data month 2026-09
MailMaestro
MailMaestro
MailMaestro
Maestro LabsGet to Inbox Zero in no time with AI. Write, reply, improve, and summarize email threads in seconds

According to AlphaMoat, as of 2026-09, the Chrome extension MailMaestro has 10,000 users (+0% MoM), rated 4.8 (120 reviews) — ranked #403 of 9,324 AI browser extensions, and #120 of 1,839 in Office & Collaboration.

Users · 2026-09
10.0K+0%
Rating
★ 4.8120
Overall Rank (9,324)
#403
Office & Collaboration Rank
#120/ 1,839

What is MailMaestro

From the Chrome Web Store

Get to Inbox Zero in no time with AI. Write, reply, improve, and summarize email threads in seconds Start today for free. No credit card required.

What if you could effortlessly summarize email threads and attachments in Gmail and quickly reply with AI, all in seconds?

With a free trial, you can experience MailMaestro's full potential as your personal Gmail AI email assistant, using a combination of the latest LLMs like GPT4o and Claude 3.5 for faster, higher quality emails in your preferred tone, language, and length.

MailMaestro is a generative AI tool built for Gmail users with a simple interface that lets you write and reply to emails in seconds.

It's designed for teams and professionals who want to save time and communicate without stress, increasing productivity and minimizing the risk of data breaches.

🪄 Why MailMaestro Generative AI Assistant?

Show the rest of the store description▾

🪄 ⚡Write & Send Emails 10x Faster

Increase your productivity by up to 86% with MailMaestro. Our AI-powered tool provides instant summaries of long email threads and attachments, and helps you reply to any email in seconds using a combination of conversational context and custom prompts.

✉️Improve the Quality of Emails

Quickly create high-quality business emails to improve relationships and engagement. Our AI email assistant currently supports 14 languages, including English, Spanish, Portuguese, German, French, Dutch - and more.

🤝Personalize to improve communication

No more generic AI. MailMaestro adapts based on your feedback, making it the ultimate email assistant. Choose from 7 writing styles (from professional to casual to fun) and 4 preferred email lengths (from extra short to long). Each time you prompt our artificial intelligence assistant, it will provide you with 3 suggestions you can choose from.

🛡️Stay protected with enterprise-grade user privacy

Unlike many AI tools, MailMaestro keeps your data secure. While 70% of professionals use various unprotected AI tools, posing security risks, we strictly adhere to protocols to protect your sensitive data. To ensure your security, we anonymize data before it is shared with machine learning algorithms, and we are AICPA SOC and SOC2 compliant.

🚀New features right inside your Google Inbox on a weekly basis

We're constantly evolving our extension to bring you a new Gmail AI feature every week, so you're always using the latest technology to help you navigate your inbox.

Key AI-powered features:

  • Use AI's compose window to write emails from prompts in your chosen tone, language, and length directly in Gmail
  • Quickly reply to emails using data from all previous messages in the email thread
  • Let our AI assistant improve the draft message for your important emails, giving you 3 different options to choose from
  • Instantly summarize the entire conversation. Get to the most relevant information in less time with a summary card - whether the thread is 3 or 30 emails long
  • Sync with your Google Calendar for 1-click meeting responses
  • Save your favorite templates in the add-on and use them to communicate even faster

Revolutionize your Gmail management, write better emails faster, and increase your productivity. Install MailMaestro today and achieve email zen. Get started now for free!

How the Gmail Chrome Extension works ❓

  • Start by installing the MailMaestro Gmail Chrome Extension into your browser.
  • Either open any email account or create a new message and click MailMaestro Gmail Chrome Extension in your browser's Extensions.
  • Write a prompt as if you're instructing an AI writing assistant to compose the message for you.
  • Make it easier by using our magic templates that will compose the email for you.
  • Or compose your own email and let our AI improve your draft using the Improve with Artificial Intelligence feature.
  • Voila! Your Ai Email Assistant has now created 3 versions of your desired email for you to choose from.

Compatibility ⚙️

  • MailMaestro works in Chrome with the latest version of Gmail.
  • If you have any problems launching MailMaestro for Gmail, please contact us at [email protected].

Frequently Asked Questions:

Frequently Asked Questions:

1. What technology powers MailMaestro?

MailMaestro uses a combination of advanced language models from OpenAI and Anthropic, including models such as GPT4-o and Claude 3.5. This fusion of leading language technologies gives MailMaestro unparalleled natural language processing capabilities, helping you write important messages faster than ever before.

2. How does MailMaestro protect my privacy?

Using unprotected AI tools for work puts your company's security at risk. At MailMaestro, protecting your data is our top priority. All emails containing sensitive information such as names, birthdates, purchase details, etc. are anonymized and encrypted before being sent to Large Language Models (LLMs).

Our commitment to data security is further demonstrated by our SOC2 compliance, which ensures adherence to rigorous industry standards for both security and privacy, so you're safe whenever you use AI in your inbox.

3. Does Gmail have an AI assistant?

Google, the search technology giant, recently introduced AI capabilities to Gmail as part of its Gemini for Google Workspace launch. However, if you're not a Google Workspace subscriber, the best way to try out some of the Gmail AI features is to download a Gmail extension like MailMaestro.

4. Is there a ChatGPT plugin for Gmail?

To access ChatGPT-like features in Gmail, you need to download one of the AI extensions or sign up for Google Workspace Labs.

5. Is there a free AI that writes emails?

MailMaestro has some free basic AI features to help you write and improve your emails, as well as more advanced features like email thread summarization, machine learning powered 1-click replies, and more.

Extension profile

Version
v1.35.3
Size
25.18MiB
Languages
English
Updated
2026-09-18

User Growth Trend

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Latest 10.0KMoM+0.0%
-3.6K7.2K10.8K26-0326-0426-0626-08
2026-03
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2026-04
10.0K
+0.0%
2026-05
10.0K
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2026-06
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2026-07
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2026-08
10.0K
+0.0%
2026-09
10.0K
+0.0%

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Data month: 2026-09 · User counts and ratings come from public Chrome Web Store data, aggregated monthly. See methodology.