AI-Powered Letter Generator
Professional Letters, Instantly
Generate any formal letter in seconds with AI. Personalized, professionally formatted, ready to send.
letter types
legal guides
languages
supported countries
Choose
Pick your letter type from our collection of professionally crafted templates.
Describe
Answer a few questions about your situation. The AI adapts to your context.
Download
Get a polished, ready-to-send letter as PDF. Review, sign, and send.
What sets us apart
Why Lettrio?
Legal-trained AI
Models trained specifically for formal correspondence: employment, consumer, housing, administrative procedures — adapted country by country, not generic filler.
Country-specific
Per-country legal notes and phrasing — US, UK, CA, AU, FR, BE, CH, DE, ES, IT, PT, and more. Explicit references to the statutes that apply in your jurisdiction.
All-in-one
Generation + editing + handwritten signature + PDF + certified mail dispatch — without switching tools.
Collection
Choose your letter type
AI Resignation Letter Generator
Create a professional resignation letter in seconds. Personalized to your situation, properly formatted, ready to send.
AI Cancellation Letter Generator
Cancel any subscription or contract with a professional letter. Generated instantly, legally sound.
AI Complaint Letter Generator
Write a compelling complaint letter that gets results. Professional tone, clear structure, ready to send.
AI Demand Letter Generator
Send a formal demand letter to recover debts or enforce obligations. Legally structured, professionally worded.
AI Notice to Vacate Generator
Generate a formal notice to vacate for ending your tenancy. Proper notice period, legally compliant.
AI Certificate of Accommodation Generator
Generate a formal accommodation certificate for administrative purposes. Visa, ID, official procedures.
AI Reference Letter Generator
Write a strong professional reference letter. Personalized, specific, and impactful.
AI Cover Letter Generator
Create a tailored cover letter that stands out. AI-powered, personalized to the job and company.
AI Fine Contestation Letter Generator
Contest a traffic or parking fine with a formal appeal letter. Clear grounds, proper format.
AI Refund Request Letter Generator
Request a refund with a professional letter. Clear, firm, citing your consumer rights.
AI Power of Attorney Generator
Create a formal power of attorney document in seconds. Legally structured, personalized to your needs.
AI Parental Authorization Generator
Create an official parental authorization for school trips, travel, or activities. Proper format.
AI Work Certificate Request Generator
Request an employment certificate from your employer. Professional letter, proper format.
AI Payment Reminder Letter Generator
Send a professional payment reminder for overdue invoices. Clear, firm, effective.
AI School Absence Letter Generator
Justify a school absence with a formal letter. Adapted to the reason, ready to send.
AI Tax Reduction Request Generator
Draft a formal tax reduction request in a few clicks. Tailored to your situation, ready to send.
AI Cease and Desist Letter Generator
Demand someone stops harassment, defamation, IP infringement or nuisance behaviour. Formal letter ready to send by Certified Mail or Royal Mail Signed For.
AI Letter of Intent Generator
Formalise an acquisition, real estate offer, employment offer, commercial lease or investment. Structured preliminary document with proper non-binding language.
AI Visa Invitation Letter Generator
Invitation letter for US B1/B2 visitor visa, UK Standard Visitor visa, or Schengen short stay: host details, guest details, dates, financial sponsorship, supporting documents.
AI Credit Report Dispute Letter Generator
Dispute an inaccurate entry on your US credit report (Experian, Equifax, TransUnion) under the FCRA, or your UK credit file under the Consumer Credit Act 1974 and UK GDPR. Compliant letter ready to send.
AI Salary Increase Request Letter Generator
Request a pay raise with a structured business case: quantified achievements, market benchmark, and a specific ask. Tailored to US at-will and UK employment context.
AI Maintenance Request Letter Generator
Notify your landlord of urgent repairs (plumbing, heating, mold, electrical) with proper legal wording.
AI Late Rent Notice Generator
Send a formal late rent notice to your tenant with the proper legal stages (reminder, formal notice, pre-eviction).
AI Authorization Letter Generator
Authorize a third party for banking, medical, school, vehicle or administrative matters with legally recognised wording.
AI Medical Leave Request Generator
Notify your employer of a medical leave (sickness, injury, maternity, paternity, family caregiver) with proper legal wording.
AI Insurance Claim Letter Generator
Notify your insurer of a loss (water damage, theft, fire, auto accident) with all required information and statutory notice timing.
Frequently asked questions
How much does the first letter cost?
The first letter every month is free. Beyond that: $2.99 per letter, no subscription, no commitment.
Is my personal data kept?
No. No data entered in the form is stored on our servers or shared. Payments are securely processed by Stripe.
Does Lettrio work for my country?
Yes. Lettrio generates letters adapted to 50+ countries with country-specific legal notes (FR, BE, CH, CA, GB, US, DE, ES, IT, PT, and more) in 7 languages.
Can AI really generate a legally valid letter?
Yes for most common cases. For complex or contentious situations, we recommend having it reviewed by a lawyer. Lettrio is an assistance tool, not a law firm.
Your letter, written in seconds.
No account required. First letter is free.
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