Ghostwrite: ChatGPT Email Assistant
ChatGPT-powered email assistant that generates replies and full emails in Gmail, Outlook, and Zendesk.


What it does
Permissions and access
Taken from the extension's own manifest file inside the package. The store listing does not spell this out, so it is worth reading before you install.
| Permission | What it allows |
|---|---|
cookies | Read and change cookies for the sites it runs on |
declarativeNetRequest | Block or modify network requests |
declarativeNetRequestFeedback | declarativeNetRequestFeedback |
Asks for these only when you use the matching feature:
scripting
Requests 3 permissions — extensions doing the same job average 5.3.
Technical details
Description
Ghostwrite is a ChatGPT-powered email assistant that integrates directly with popular email platforms like Outlook, Gmail, and Zendesk. It uses artificial intelligence to help you compose, reply to, and manage emails more efficiently. Instead of starting from scratch, you can generate full-length emails from just a few words or bullet points, making it ideal for professionals who handle high volumes of correspondence.
Key Features
- AI-Powered Email Composition: Type a few keywords or bullet points, and Ghostwrite generates a complete, contextually appropriate email. This is useful when you need to draft a cold outreach, a follow-up, or a meeting request quickly.
- One-Click Smart Replies: The extension analyzes incoming messages and suggests ready-to-send replies. This saves time on routine responses like confirmations or acknowledgments, allowing you to maintain conversation flow without manual typing.
- Tone and Style Customization: You can adjust the tone to be formal, friendly, persuasive, or concise. This ensures the email matches your personal voice and the recipient's expectations, which is critical for client communications or internal memos.
- Grammar and Spell Check: Ghostwrite automatically corrects errors as it generates text, reducing the need for separate proofreading. This is especially helpful when writing under time pressure.
- Reusable AI-Generated Templates: Save frequently used email patterns (e.g., follow-ups, proposals) as templates. You can reuse them with one click, eliminating repetitive typing for common scenarios.
- Full-Length Email Generation: From short notes or bullet points, the AI creates detailed, professional emails. This feature is valuable for drafting cover letters, sales pitches, or customer support responses that require thorough explanation.
- Seamless Integration: Works directly within Gmail, Outlook, and Zendesk interfaces. No need to switch between tabs or copy-paste text, which streamlines your workflow.
- Data Privacy: The extension does not store or share your email content, ensuring your communications remain confidential.
Ghostwrite is designed for sales teams, customer support agents, executives, freelancers, job seekers, and anyone who writes emails regularly. By automating the writing process, it helps you respond faster, maintain consistency, and focus on higher-value tasks. Whether you're sending a quick reply or a detailed proposal, Ghostwrite reduces the time spent on email composition while improving the quality of your messages.
Extensions that do the same job
Matched by what these extensions actually do, not by store category, and sorted so the ones asking for the least access come first.
| Extension | Site access | Permissions | Users | Rating |
|---|---|---|---|---|
| Ghostwrite: ChatGPT Email Assistant — this page | Limited | 3 | 20K | 4.0★ |
| Templify - write messages in 1 click! 🚀 | Limited | 4 | 2K | 4.8★ |
| Writetone: AI Writing Assistant & Grammar Fix | Limited | 4 | 1K | 4.8★ |
| Ddict: AI Translation & Writing Assistant | All sites | 4 | 100K | 4.2★ |
| AI Chrome Extension powered by ChatGPT - Magictool AI | All sites | 3 | 9K | 4.8★ |
| Record Voice Messages in Gmail - Beep | Limited | 3 | 3K | 4.9★ |
| Bardeen: Automate Browser Apps with AI | All sites | 13 | 200K | 4.4★ |
Store data last checked August 14, 2026.