What is ThreeArrow.ai?

ThreeArrow.ai is an AI job-search and application system. It helps discover matching roles, evaluate fit, tailor each application, Auto-Apply on supported employer forms, track outcomes, and prepare for interviews.

Is ThreeArrow.ai free?

Yes. The free plan includes resume tailoring, ATS keyword scoring, PDF export, tracked application preparation, and browser Auto-Apply on supported employer forms.

How does the ATS score checker work?

Our AI analyzes your resume against any job description, matching keywords, skills, and experience. It provides a score out of 100 along with detailed feedback on matched keywords, missing terms, and optimized bullet points.

What file formats are supported for resume upload?

ThreeArrow.ai supports PDF, DOCX, and DOC file formats. Files can be up to 10 MB in size. Our AI parses every role, skill, and accomplishment into a structured, editable profile.

How do I get an ATS-optimized resume?

Simply upload your resume, paste a job description, and click "Check ATS Score". Our AI will analyze your resume, rewrite bullet points to match the job, and generate an optimized PDF you can download immediately.

Cover Letters

Cover Letter Tips for 2026: Templates & AI Writing Guide

Write cover letters that get noticed. Learn the 4-paragraph structure, key phrases to include, and how ThreeArrow.ai's AI generates tailored cover letters from your resume.

5 min read

cover lettercover letter templatecover letter tipsAI cover letterapplication letterjob application

When a Cover Letter Helps

A cover letter is most useful when it is requested or when you need to explain motivation, a transition, or a strong connection between your experience and the role. ThreeArrow.ai drafts from your resume and the job description for you to edit.

The 4-Paragraph Cover Letter Structure

1) Hook: Mention the role and why you're excited. 2) Context: Briefly summarize your relevant experience. 3) Value: Connect your specific achievements to the company's needs. 4) Close: Call to action and gratitude.

Cover Letter Mistakes to Avoid

Avoid: generic first lines, repeating your resume, being too long (250-400 words is ideal), using 'To Whom It May Concern,' and forgetting to proofread.

Cover Letter Tips for 2026: Templates & AI Writing Guide

When a Cover Letter Helps

The 4-Paragraph Cover Letter Structure

Cover Letter Mistakes to Avoid

Related Resume Guides

Compare Your Resume with a Real Job Description