Jetwriter AI
AI writing assistant for Chrome, desktop, and mobile
About Jetwriter AI
Jetwriter AI (formerly ChatGPT Writer) is a lightweight AI writing assistant available as a Chrome extension, web app, and mobile app. It helps users write emails, fix grammar, translate text, summarize articles, and interact with any webpage using AI models like GPT-5, Claude, and Gemini.
Pros & Cons
Pros
- Extremely lightweight extension under 1MB that doesn't slow down the browser
- Works on any website, not just email platforms
- Multiple AI model options including GPT-5, Claude, and Gemini
- Generous free tier for casual users
- Cross-platform with Chrome, web, and mobile apps
Cons
- Free plan limited to only 15 responses per month
- Primarily a Chrome extension, limited browser support
- No team or enterprise plan available
- Cannot generate long-form content like blog posts or articles
Key Features
AI Email Writing
Generate and reply to emails on Gmail, Outlook, and other email platforms with AI-powered suggestions
Grammar & Spelling Fix
Select any text to correct grammar, improve clarity, and fix spelling errors instantly
Translation
Translate selected text to any language directly within the browser
Chat with Any Page
Summarize articles, find key information, proofread work, and explain complex terms on any webpage
Multi-Model Support
Access GPT-5, Claude Sonnet, Gemini Pro, and other advanced AI models from a single interface
Voice Input
Dictate text using voice input for hands-free writing assistance
Cross-Platform
Available as a Chrome extension, web app, and mobile app with synced experience
Custom Actions
Create custom text transformation actions beyond the built-in options for personalized workflows
Pricing
- 15 AI responses per month
- Chrome extension access
- Basic AI models
- No credit card required
- Unlimited AI responses
- Advanced AI models
- Browser extension + web app
- Voice input
- Priority support
- Everything in Pro
- Thinking AI models (GPT-5.1, Gemini 3 Pro)
- Mobile app access
- Earliest access to new features
Best For
Email Productivity
Quickly draft and reply to emails across Gmail, Outlook, and other platforms with AI-generated suggestions
Non-Native English Writers
Fix grammar, improve writing clarity, and translate text for multilingual communication
Research & Summarization
Chat with any webpage to summarize articles, extract key points, and understand complex content
Customer Support
Speed up response times by generating professional replies to customer inquiries across platforms
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