# 22skills > Free AI-powered resume optimizer that helps job seekers beat Applicant Tracking Systems (ATS). Analyzes resumes against job descriptions, identifies keyword matches and gaps, and provides actionable suggestions to improve match scores. ## Core Tools (Free) - [ATS Resume Checker](https://www.22skills.com/ats-resume-checker): Free ATS compatibility checker — paste your resume and job description, get an instant match score with keyword analysis - [AI Resume Checker](https://www.22skills.com/ai-resume-checker): AI-powered resume analysis with smart keyword extraction and prioritized improvement suggestions - [AI Resume Optimization](https://www.22skills.com/ai-resume-optimization): Optimize your resume with AI — get missing keywords, match scores, and rewrite suggestions - [Resume Analyzer](https://www.22skills.com/analyze): Multi-step resume analysis wizard with PDF upload support ## Premium Features (Career Boost) - [Career Boost](https://www.22skills.com/career-boost): One-time $67 package — AI cover letter generator, LinkedIn profile optimizer, and professional ATS reports - [Pricing](https://www.22skills.com/pricing): Free tier (3 scans without signup, unlimited with free account), Pro ($14.99/mo), Career Boost ($67 one-time) ## Competitor Comparisons - [Jobscan Alternative](https://www.22skills.com/jobscan-alternative): 22skills vs Jobscan — free ATS checker with no scan limits - [Rezi Alternative](https://www.22skills.com/rezi-alternative): 22skills vs Rezi — simpler, faster resume optimization - [Enhancv Alternative](https://www.22skills.com/enhancv-alternative): 22skills vs Enhancv — focused on ATS keyword matching ## Resume Keywords by Role - [Resume Keywords Index](https://www.22skills.com/resume-keywords): Browse 150+ role-specific keyword lists for ATS optimization - [Software Engineer Resume Keywords](https://www.22skills.com/resume-keywords/software-engineer) - [Data Scientist Resume Keywords](https://www.22skills.com/resume-keywords/data-scientist) - [Product Manager Resume Keywords](https://www.22skills.com/resume-keywords/product-manager) ## ATS Checker by Role - [ATS Checker for Software Engineers](https://www.22skills.com/ats-resume-checker/software-engineer) - [ATS Checker for Product Managers](https://www.22skills.com/ats-resume-checker/product-manager) - [ATS Checker for Data Scientists](https://www.22skills.com/ats-resume-checker/data-scientist) ## Blog — Resume & ATS Guides - [ATS Resume Optimization: Complete Guide 2026](https://www.22skills.com/blog/ats-resume-optimization-guide): Step-by-step guide to optimizing your resume for applicant tracking systems - [How to Extract Keywords from Job Descriptions](https://www.22skills.com/blog/how-to-extract-keywords-from-job-descriptions): Techniques for identifying the keywords that matter most - [10 ATS Resume Mistakes Costing You Interviews](https://www.22skills.com/blog/ats-resume-mistakes): Common formatting and content mistakes that get resumes rejected - [Software Engineer Resume Keywords (150+ Terms)](https://www.22skills.com/blog/software-engineer-resume-keywords): Comprehensive keyword list for software engineering resumes - [Resume Not Getting Responses? 7 Proven Fixes](https://www.22skills.com/blog/resume-not-getting-responses): Troubleshooting guide when your resume isn't landing interviews ## Help & Support - [Plans & Features](https://www.22skills.com/help/plans): Detailed comparison of Free, Pro, and Career Boost tiers - [Billing FAQ](https://www.22skills.com/help/billing): Payment methods, refunds, and subscription management ## Legal - [Terms of Service](https://www.22skills.com/terms) - [Impressum](https://www.22skills.com/impressum) - [Security](https://www.22skills.com/security) ## Languages Available in English, Spanish (es), German (de), and Polish (pl). All tools and pages are fully localized. ## About 22skills is a SaaS product focused on helping job seekers worldwide pass ATS filters and land more interviews. The platform uses AI (GPT-4o-mini primary, Claude Sonnet fallback) to analyze resumes against job descriptions and provide actionable optimization advice. Free to use with optional paid tiers for advanced features.