Trusted. Effective. Proven.
3x
higher callback rate
10K+
letters generated
92%
user satisfaction
Create Your Cover Letter in 3 Simple Steps
Import your profile, describe the job, and let our AI craft a tailored cover letter—fast, polished, and ready to send.
Upload Your Resume & Generate your Cover letter
Generate Your Cover Letter Instantly
Upload your resume. Add the job details. Let AI do the rest. Just two simple inputs and your tailored, ATS-friendly cover letter is ready to go.
Why Use OnJob.io’s Cover Letter Generator?
Writing a cover letter doesn’t have to be time-consuming or complicated. With OnJob.io, you get a powerful AI tool that creates professional, personalized letters designed to impress hiring managers and beat ATS filters.
Save Time, Instantly
Generate a tailored, job-ready cover letter in seconds—no templates, no guesswork, no wasted effort.
Smart Job Matching
Connect your cover letter to the exact role you’re applying for using job titles or pasted descriptions for hyper-relevant content.
Powered by AI
Our intelligent engine writes role-specific, recruiter-optimized cover letters using proven language patterns from real job postings.
Professionally Designed Templates
Choose from elegant, pre-optimized layouts that ensure your letter looks sharp, clean, and structured for impact.
ATS-Ready Format
Every cover letter is formatted to be compatible with major Applicant Tracking Systems.
Career Expert-Approved
Built with hiring insights from certified professionals—so your letter isn’t just personalized, it’s persuasive.
How it works?
How Our Cover Letter Tool Works
Our AI-powered Cover Letter Generator is designed to make your application process smoother and smarter. Whether you’re applying for your first job or switching careers, creating a professional cover letter takes just a few steps
Enter your job title or paste the job description
Let our tool understand what role you’re applying for so it can craft a targeted letter.
Upload your resume or fill in basic details
Your experience, skills, and achievements help personalize the content.
Let AI generate your cover letter
In seconds, you’ll get a tailored, job-specific, and ATS-friendly cover letter.
Edit, copy, or download instantly
Make final tweaks, save it as PDF, or copy it directly — ready to submit with your job application.
Frequently Asked
Questions
Is the cover letter generator free to use?
Yes! You can generate and download your cover letter at no cost.
Do I need a resume to use this tool?
Not necessarily. You can either upload your resume or fill in your details manually.
Can I customize the tone of my cover letter?
Absolutely. Choose from multiple tones—formal, friendly, or confident—to match the job you’re applying for.
Will my data be saved?
No. We don’t store any personal data. Everything is processed securely and deleted after your session.