Data month 2026-09
Best Email Assistant AI Browser Extensions
As of September 2026, AlphaMoat tracks 249 AI browser extensions tagged Email Assistant. The most-installed is Jetwriter AI (500.0K users). Ranked by install count, updated monthly.
| # | Extension | Publisher | Users | Rating |
|---|---|---|---|---|
| 1 |  Write emails and messages, chat with any page, and polish your writing with AI in seconds. | Jetwriter AI | 500.0K | ★ 4.6 |
| 2 |  Autocomplete sentences, draft emails, and rephrase text anywhere you type with AI. | compose | 300.0K | ★ 4.1 |
| 3 |  Writing assistant that corrects, rephrases, and speeds up your text inside the tools you use. | J2S3 | 70.0K | ★ 4.5 |
| 4 |  Mixmax is an AI-powered sales engagement platform with email tracking, meeting scheduling, and multichannel sequences. | Mixmax | 70.0K | ★ 4.5 |
| 5 |  Mailmeteor brings mail merge, email tracking and automatic follow-ups into Gmail, with an AI assistant for the inbox too. | Mailmeteor | 60.0K | ★ 4.8 |
| 6 |  Gmelius adds AI assistants, shared inboxes and shared labels to Gmail so teams can sort, draft and route email together. | Gmelius | 50.0K | ★ 4.6 |
| 7 |  Hiver in Gmail is an AI-powered customer-service platform that brings shared inboxes, collaboration, and automation directly into your Gmail inbox. | GREXIT | 50.0K | ★ 4.6 |
| 8 |  FinalScout finds valid email addresses for anyone and crafts tailored outreach emails based on LinkedIn profiles, using ChatGPT to personalize messages. | FinalScout | 50.0K | ★ 4.8 |
| 9 |  ChatGPT for Gmail by cloudHQ writes and replies to emails in Gmail automatically using ChatGPT, with grammar checks and smart responses. | cloudHQ | 30.0K | ★ 4.4 |
| 10 |  Ghostwrite is a ChatGPT-powered email assistant that drafts and replies in Gmail, Outlook and Zendesk. | Latent Representation Systems | 20.0K | ★ 4.0 |
| 11 |  ChatGPT for Gmail brings AI writing, subject-line and summarization help directly into your Gmail inbox. | Aptare Engage Technologies | 20.0K | ★ 4.1 |
| 12 |  Gmail AI assistant that writes, replies, improves and summarizes email threads in seconds. | Maestro Labs | 10.0K | ★ 4.8 |
| 13 |  AI email assistant that drafts one-click responses to your work emails. | superReply | 10.0K | ★ 4.8 |
| 14 |  Find and engage candidates anywhere with GPT-powered sourcing, outreach and AI-assisted recommendations. | hireez | 10.0K | ★ 4.4 |
| 15 |  Turn Gmail into an AI shared inbox where teams draft, sort and resolve customer conversations. | DRAGAPP COM | 10.0K | ★ 4.1 |
| 16 |  AI email assistant that drafts, proofreads and polishes your writing from text or voice. | PLAYERS LINK | 9.0K | ★ 4.2 |
| 17 |  AI email assistant that unsubscribes, organizes, summarizes and drafts replies right in Gmail. | usebaxter | 9.0K | ★ 3.8 |
| 18 |  Track emails, send personalized mail merges and build signatures inside Gmail. | Mailbutler | 6.0K | ★ 4.6 |
| 19 |  AI email assistant that learns your style and drafts replies using OpenAI and ChatGPT. | Ellie Assist | 5.0K | ★ 3.9 |
| 20 |  GPT-3 powered assistant that drafts professional emails from your instructions. | - | 3.0K | ★ 3.2 |
| 21 |  Re:GPT brings ChatGPT into Gmail and Outlook so you can prefill replies and write quality emails faster. | Ybouane | 3.0K | ★ 3.8 |
| 22 |  Email tracker for Gmail with open and click tracking plus a chatGPT email writer. | goemailtracker | 2.0K | ★ 4.8 |
| 23 |  Creates text expansion snippets with AI grammar help to speed up writing everywhere. | Textly | 2.0K | ★ 4.1 |
| 24 |  An AI writing assistant embedded in Gmail, Docs, Slides, and Sheets workflows. | perfectassistant | 2.0K | ★ 5.0 |
| 25 |  Professional AI response tool generating high-quality email replies for Gmail, Outlook and more in seconds. | - | 1.0K | ★ 5.0 |
| 26 |  An assistant that shows AI answers beside Google results and improves your email writing anywhere. | chatgp | 1.0K | ★ 5.0 |
| 27 |  Chat GPT Reply generates email or message replies with one click using ChatGPT in any input box on any website. | - | 1.0K | ★ 4.0 |
| 28 |  Gmail-GPT creates professional email replies in seconds with AI and the first voice-powered email technology. | Hardik Jain | 1.0K | ★ 4.6 |
| 29 |  AI Writer ChatGPT generates full emails and messages across websites, with enhanced support for Gmail and social replies. | - | 1.0K | ★ 5.0 |
| 30 |  Generates professional, engaging emails in seconds with AIFreeBox's free AI writing assistant for any occasion. | aifreebox | 1.0K | ★ 5.0 |
| 31 |  MailMagic is a privacy-friendly AI email assistant that writes, fixes grammar, rephrases and summarizes with ChatGPT. | 9361-9195 Quebec | 1.0K | ★ 5.0 |
| 32 |  Automatically draft Gmail replies in the user's writing style while keeping every message subject to manual sending. | Auto Gmail | 1.0K | ★ 3.9 |
| 33 |  An AI email autocomplete that finishes your sentences in your own voice across Gmail, Outlook, and Superhuman. | Lightfern | 1.0K | ★ 5.0 |
| 34 |  A job-search helper that tracks applications, auto-fills forms and drafts AI outreach without leaving the page. | Prentus | 1.0K | ★ 1.0 |
| 35 |  An AI email and message assistant that writes and replies using ChatGPT, Claude, and Gemini on any site. | clippit | 1.0K | ★ 4.8 |
| 36 |  Hypertype drafts customer replies in Gmail, Intercom, and Zendesk using company knowledge and communication style. | hypertype | 1.0K | ★ 4.2 |
| 37 |  Professionally rephrases emails and messages in 11 languages with your chosen tone — 30-day free trial. | Professionally | 1.0K | ★ 3.8 |
| 38 |  Raply.AI is a multilingual AI email assistant for Gmail and Outlook — compose, reply and summarize in one click. | raply | 1.0K | ★ 4.8 |
| 39 |  Mailr is an AI email assistant that writes and replies to messages in three steps using ChatGPT, with more than ten selectable tones. | Mailr | 886 | ★ 4.5 |
| 40 |  AIM provides AI agents for Klaviyo that audit flows, set up campaigns and automate email marketing operations. | Aimerce | 872 | ★ 5.0 |
| 41 |  Free AI email writer for Gmail. Generate professional emails instantly. ChatGPT-powered replies in 35+ languages. No signup needed. | Futuristica | 817 | ★ 5.0 |
| 42 |  Simplemail uses GPT4 to write, read and respond to your emails like a pro. | - | 729 | ★ 5.0 |
| 43 |  Scribbly AI writes and replies to emails on Gmail and Outlook with context-aware, AI-generated suggestions that sound like you. | Scribbly | 718 | ★ 5.0 |
| 44 |  WriteByVoice turns your voice into AI-written Gmail replies and dictation across 20,000+ sites. | writebyvoice | 687 | ★ 4.5 |
| 45 |  Bring an AI agent to every browser tab for email, planning, research, presentations, campaigns, travel, and more. | nextania | 683 | ★ 5.0 |
| 46 |  Compose, reply, and summarize emails 10x faster with AI in seconds | composeit | 666 | ★ 5.0 |
| 47 |  Snoooz is an AI email assistant for Gmail and Outlook that drafts, improves, auto-replies, and organizes your inbox. | Snoooz AI | 597 | ★ 5.0 |
| 48 |  Email Polisher for Gmail uses GPT to polish grammar, style, and word choice in your emails with one click. | Coucou | 582 | ★ 5.0 |
| 49 |  Wholemeaning Email Manager uses AI algorithms to prioritize relevant email in Gmail and alert you to unanswered important mail. | wholemeaning | 560 | ★ 5.0 |
| 50 |  MagicWriter is an AI mail writer that drafts emails much faster in any language and translates them automatically. | - | 547 | ★ 4.7 |
Related tags
FAQ
Email Assistant AI Chrome extensions: which ranks #1?
In September 2026, Jetwriter AI (500.0K users) ranks #1 by users, followed by Compose AI (300.0K users) and MerciApp (70.0K users).
Email Assistant AI Chrome extensions: what are the top 10?
Ranked by users, the top 10 are: 1. Jetwriter AI, 2. Compose AI, 3. MerciApp, 4. Mixmax, 5. Mail Merge for Gmail, 6. Gmelius, 7. Hiver in Gmail, 8. FinalScout, 9. ChatGPT for Gmail by cloudHQ, 10. Ghostwrite.
How many Email Assistant AI Chrome extensions does AlphaMoat track, and where does the data come from?
AlphaMoat tracks 249 Email Assistant AI Chrome extensions, ranked by users. User counts come from public Chrome Web Store data. Updated monthly; the current data is for September 2026.
Lists every Chrome extension carrying this tag, ranked by latest-month install count. See methodology.