AI-powered email writing tool that generates emails, subject lines and messages in seconds
Stage
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Pricing model
Freemium
Freemium
Pricing
Free: 100 credits at sign-up, topped up by 40 every week, 2 models per rewrite, 4 fast models including GPT-6 Luna, articles up to 6,000 words. Pro: $19 per month, 1,500 credits every month, up to 5 models per rewrite, all 9 models including Claude Sonnet 5.5 and Grok 4.7, articles up to 15,000 word
Free plan with daily limits; Premium plan available with additional features like expand function
Key features
Mark passages and add notes about what's wrong
Flip through rewrites from multiple AI models at once
Choose from 9 AI models including GPT-6 Luna, Claude Sonnet, and Grok
Preserve undo history and original drafts
Support for TipTap-based editors and built-in document editor
No need for personal API keys
Credit-based pricing with transparent cost estimates
Handle articles up to 6,000 words on Free plan or 15,000 on Pro
Access 2 models on Free plan or up to 5 on Pro plan
Multi-language support for 17 languages
12 different tonal options for customization
Three length choices: short, medium, long
User-friendly interface with quick navigation
AI-powered suggestions for content improvement
Real-time editing and customization
Chrome browser extension integration
Mobile device compatibility
No login required for basic usage
Generate emails for various purposes and use cases
What makes it different
Never leave your editor—rewrites happen in-place without copy-paste
Only the passages you mark change; the rest of your draft stays exactly as written
Compare rewrites from multiple AI models side by side in one click
Free plan with 100 credits and weekly top-ups, no card required
Preserves full undo history even after accepting rewrites
Completely free tool with no financial investment required
Customization with tone, length, and language options
Does not use user content to train the service
Generates human-like, on-brand emails in seconds
Security and privacy prioritized in all operations
SwapDraft