Write a polished letter in minutes

Create clear, personal letters—apologies, complaints, recommendations, invitations, and more. Adjust the tone, preview instantly, and download a print-ready PDF.

Instant draft

Adjustable tone

English only

Print-ready PDF

Secure checkout by Stripe

No account needed

Private by default

Create your letter

Letter Type

Tone

Fine-tune tone (optional)

Balanced

Tone suggestions

Recipient’s name Your name (optional, adds sign-off) Your address (optional, appears at the top of the letter) Key points / details

Examples: what happened (with dates), names/roles involved, what you want (refund, apology, meeting), any deadlines.

International English · One page · Fully reviewed before purchase

Write any letter—fast, clear, and professional

LetterWriter helps you draft apology letters, complaint letters, recommendation letters, cover letters, invitations, thank-you notes, and more. Choose your tone (casual to formal), describe the key details, and get a crisp draft you can copy or save as a print-ready PDF. English only.

Popular letter types we support

Apology letter

Complaint letter

Thank-you letter

Recommendation letter

Cover letter

Resignation letter

Cease & desist

Demand letter

Invitation

Sympathy / Condolence

Why people use LetterWriter

Clarity and tone: say the right thing, the right way.

Speed: go from idea to polished draft in under a minute.

Professional output: clean formatting, correct sign-off, and a PDF that’s ready to send.

Frequently Asked Questions

How does LetterWriter work?

Choose a letter type and tone, then describe your key details. Our AI drafts a clear, personalized letter in seconds, which you can refine or download as a professional PDF.

Do I need an account to use it?

No account is required. You can generate and preview your letter instantly. Payment is only needed if you want to download the finalized print-ready PDF.

Is my information stored or shared?

No. Letters are generated privately and are not shared or reused. Only minimal technical data (such as your browser session) is processed to generate your draft.

Can I write in languages other than English?

For now, LetterWriter is English-only.

What types of letters can I create?

Anything from business, legal, or professional correspondence to personal and emotional letters such as apologies, condolences, or thank-yous. Over 40 letter templates are available.

Can I adjust the tone or level of formality?

Absolutely. Pick a tone (Formal, Warm, Heartfelt, Assertive, etc.) and fine-tune it with the tone slider for a more casual or formal sound.

Can I regenerate the letter if I’m not happy with the first draft?

Yes. Click “Regenerate” as often as you like—each draft keeps your entered details consistent. Explore different tones and wording until it feels right.

What do I get with the paid PDF?

A high-quality, print-ready layout (A4/US Letter) with correct margins, spacing, and your name/sign-off positioned properly. Perfect for email or print.

Can I use the generated letters commercially?

Yes. You may freely use, modify, or send your generated letters for personal or professional purposes—no attribution required.

Is payment secure?

Yes. Payments are processed securely through Stripe. Your card details are never shared with us.

Who created LetterWriter?

LetterWriter.app was developed by independent creators who combine design, writing, and AI technology to make communication simpler and more personal.

AI LetterWriter