What is Jetwriter AI?

Jetwriter AI is a personalized AI writing assistant available as a browser extension and web app. It integrates deeply with popular sites like Gmail, Outlook, and Slack to help users write emails, messages, and other content. It uses advanced AI models like GPT-5, Gemini, and Claude to provide high-quality, personalized responses.

How to use Jetwriter AI?

Install the free extension from the Chrome Web Store or add it to supported browsers. Once installed, you can select any text on a webpage to transform it, use keyboard shortcuts, or click the extension icon. For mobile or unsupported browsers, use the web app. Create a profile and customize writing styles for personalized responses.

Core features of Jetwriter AI

Advanced Gmail integration with auto-draft replies
Select any text to fix grammar, translate, summarize, explain, or improve writing
Chat with any page for summaries and instant answers
AI with memory learns from past conversations
Custom writing styles and prompt templates
Switch between AI models (GPT-5, Gemini, Claude)
Live web access and chat with docs
Voice input and response length control
Lightweight (<1MB) extension