Best AI Email Writing Tools
73 toolsRanked by traffic
AI email writing tools draft, reply to, and polish emails for you, taking a short instruction or a thread of context and producing a complete, on-tone message you can send in seconds. They range from on-keyboard helpers like SwiftKey AI Keyboard and grammar checkers like Grammarly to full inbox assistants like Notion Mail and Superhuman Mail.
Anyone who spends real hours in their inbox leans on these: sales teams, support reps, founders, and busy professionals who want a fast first draft instead of a blank reply box. When choosing one, decide whether you want a writing layer that follows you everywhere or a tool that lives inside one inbox. The inbox-native options summarize threads and match your style best, but they only help where they're installed.
SwiftKey AI Keyboard
Enhances typing with AI-powered autocorrect and predictions
Grammarly
Enhances writing with grammar, tone, and style suggestions.
Notion Mail
Organizes emails automatically with AI while drafting replies and scheduling meetings
Superhuman Mail
AI-powered, premium email client designed to make email management easier and improve productivity
Instantly
A sales automation SaaS tool for B2B companies to help them scale their outreach campaigns
Hix.ai
An AI-powered tool that aims to revolutionize how businesses handle customer interactions and support
Snov.io AI Email Writer
An online tool designed to streamline the process of email creation
Walter Writes AI
Transform AI-generated text into natural, human-like writing
Wordtune
Enhances writing with AI-powered paraphrasing, grammar correction, and tone adjustments
Lemlist
A sales engagement platform designed to enhance cold outreach with the help of AI
Writesonic
Generates SEO-optimized content for blogs, ads, and marketing in minutes.
Copy.ai
Generates AI-powered content for marketing and sales outreach.
HyperWrite
A writing assistant that learns your unique writing style and preferences
text.cortex
Powerful AI assistant for content creation, offers a browser extension
Sapling
Integrates with CRM messaging platforms to improve response quality and efficiency
Frequently Asked Questions
What is the best AI email writing tool?
The best AI email writing tool depends on where you work. Superhuman and Notion Mail are strongest if you live inside one inbox and want it to draft replies and summarize threads. Grammarly fixes tone and errors across every app, and SwiftKey helps when you write mostly from your phone.
Can AI write a professional email for me?
Yes, AI can write a professional email from a short prompt describing the recipient, purpose, and tone you want. It handles greetings, structure, and a clear call to action well. Always read the draft before sending, since AI can sound generic or miss context only you know about the relationship.
Are AI email writing tools free?
Many AI email tools offer a free tier with limited drafts or basic suggestions, then charge monthly for unlimited use and advanced features. Inbox assistants like Superhuman are paid products, while writing helpers such as Grammarly have a usable free version covering everyday grammar and tone fixes.
How do AI email writers match my tone?
AI email writers match your tone by analyzing how you've written past messages or by letting you pick a setting like formal, friendly, or direct. Some inbox tools learn from your sent folder over time. The more context you give about the audience, the closer the draft lands to your real voice.
Can AI help with cold sales emails?
Yes, several AI email tools specialize in cold outreach, generating personalized first lines and follow-up sequences at scale. They pull in details about each prospect to avoid sounding templated. Results still depend on a good list and a clear offer, so treat the AI as a drafting engine, not a strategy.