The Difference Between Getting the Interview
and Getting Ignored? A Cover Letter.
94% of hiring managers say cover letters influence who they invite to interview. Our AI writes yours in 30 seconds — tailored to the exact job, ATS-ready.
Join 50,000+ job seekers who landed interviews
How It Works
Create your profile
Add your experience, skills, and education to Vaga Certa
Find a job you love
Browse thousands of jobs tailored to your skills
Click Generate
AI reads the job + your profile and writes a personalized letter in seconds
See What the AI Generates
Example: Senior Software Engineer at Stripe
Dear Hiring Manager, When I came across Stripe's opening for a Senior Software Engineer, I immediately recognized the scale of the infrastructure challenges your payments platform faces daily — and how directly my background in distributed systems aligns with what your team needs. Over the past five years at Plaid, I've built and maintained high-availability APIs processing over $2B in annual transaction volume. Most recently, I reduced our payment failure rate by 34% by redesigning our retry logic with exponential backoff, and cut p99 latency from 420ms to 180ms through strategic caching at the API gateway layer. I'm fluent in Go and TypeScript, and I've led migrations of legacy monoliths to microservices architecture for three teams. Stripe's mission to increase the GDP of the internet is something I genuinely believe in. The way your team approaches developer experience — making complex financial infrastructure feel simple — is exactly the kind of challenge I want to work on. I've followed your engineering blog for years, and the recent post on your incremental migration to Sorbet reinforced that Stripe invests deeply in code quality and long-term maintainability. I'd love to bring my experience in high-throughput financial systems to your team. I'm available for a call anytime this week — please feel free to reach out. Best regards,
This is AI-generated based on a fictional profile. Your letter will be personalized to your actual experience.
Why Use AI for Your Cover Letter?
Tailored to each job
AI reads the exact job description and mirrors its keywords — boosting your ATS score.
Ready in 30 seconds
No more staring at a blank page. Get a polished first draft instantly.
Fully editable
Edit, personalize, and download as PDF. You're always in control of the final letter.
Problem-Solution format
The #1 format confirmed by 80+ hiring studies. Shows you understand what the company needs.
Frequently Asked Questions
What is a cover letter?
A cover letter is a one-page document submitted alongside a resume when applying for a job. It introduces you to the hiring manager, explains your interest in the position, and highlights your most relevant qualifications. Research shows 83% of hiring managers read cover letters even when not required.
How long should a cover letter be?
The ideal cover letter length in 2025 is 250-400 words (3-4 paragraphs). Hiring managers prefer concise, focused letters over lengthy ones. Our AI generator automatically targets this range.
What is the best cover letter format in 2025?
The Problem-Solution format consistently outperforms all others. Start by showing you understand the company's challenge, then demonstrate how your specific skills solve that problem. Avoid generic openings like "I am writing to apply for..." and focus on the value you bring.
Is the AI cover letter generator free?
You can generate a personalized cover letter for $1.00 per generation. Pro plan subscribers get unlimited cover letter generations included at $9.99/month.
Should I use AI to write my cover letter?
Yes — as a starting point. Our AI generates a fully personalized cover letter using your profile and the job description, then you can edit and personalize it further. 49% of hiring managers say a strong cover letter can get you an interview even when the rest of your application is average.
Start writing your cover letter now →
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