AI Letter Writer — Free Online Letter Generator
Write any professional letter in seconds. Choose the letter type, describe your situation, and get a complete, ready-to-use letter from AI.
Writing a formal letter from scratch is time-consuming, especially when you're unsure of the right tone, structure, or phrasing. This AI letter writer handles all of it — describe your situation and the type of letter you need, and it produces a complete, professionally written letter ready to send or adapt.
The tool supports a wide range of letter types: business letters, cover letters, letters of recommendation, resignation letters, complaint letters, thank-you notes, demand letters, and formal requests. Each output follows the appropriate structure and tone for the letter type.
It's also particularly useful for professionals communicating in English as a second language — the output follows native-level professional conventions for tone, structure, and phrasing.
✅ Free to use · No signup required
Applying for a specific job?
Use the dedicated AI cover letter generator — paste the job description and your experience for a tailored letter in under a minute.
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