ATS Keyword Gap Analyzer measures word and phrase frequency across pasted text. Read counts, spot repetition, refine copy on ToolYour.
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ATS Keyword Gap Analyzer
Job description
Your resume
Free · API · MCPToolYour platform
Use ATS Keyword Gap Analyzer three ways
The free ATS Keyword Gap Analyzer on this page works in your browser. The same workflow is available via REST API for apps and via MCP for Cursor, Claude, and other agents — one API key, one plan, one quota. This tool is part of the text-intelligence module under AI Tools.
- Free in browserUse ATS Keyword Gap Analyzer here — no account required.
- REST APICall from your server with
X-Api-Key. - MCP for agentsConnect Cursor or Claude to ToolYour MCP with the same key.
- 1. Get an API keySign in and open Dashboard → API Keys (works for REST and MCP).
- 2. Call or connectUse the REST API from your server, or paste the MCP URL into your agent config.
- 3. Same qualityOutput matches the free web tool across all three surfaces.
What is ATS Keyword Gap Analyzer?
Applicant tracking systems and recruiters often filter resumes by keyword overlap with the job posting. Paste the job description on one side and upload your resume as PDF, DOCX, or TXT (or paste text). The tool detects the role focus — tech, marketing, finance, healthcare, sales, HR, education, and more — then compares tools, certifications, and posting language against your resume. You get an alignment score, matched and missing requirements, keyword gaps, and actionable suggestions plus a link to our Resume Builder.
What are common questions about ATS Keyword Gap Analyzer?
Is this the same as a real ATS?
It approximates keyword overlap using text analysis and a skill dictionary. Real ATS products use proprietary rules, but this shows which terms you are missing before you apply.
Does this work only for tech jobs?
No. The analyzer detects role focus from the posting and matches industry-specific tools and certifications for tech, marketing, finance, healthcare, sales, HR, operations, legal, design, and education roles.
What is the alignment score?
A 0 to 100% measure of vocabulary overlap between the job description and your resume. Higher generally means better keyword match. It is not a guarantee of an interview.
Can I upload my resume instead of pasting?
Yes. Use the Upload tab on the resume side to attach a PDF, DOCX, or TXT file up to 10 MB. Text is extracted automatically.
Can I fix my resume on ToolYour?
Yes. After reviewing gaps, use our free Resume Builder to add missing skills and export an updated PDF.
How should I use the missing keywords list?
Add skills you genuinely have to your resume. Mirror job title language when accurate. Do not keyword-stuff terms you cannot discuss in an interview.
What are the key features of ATS Keyword Gap Analyzer?
Dual-pane input
Job description and resume side by side for quick comparison.
Resume upload
Upload PDF, DOCX, or TXT instead of copying text manually.
Alignment score
One number summarizing how well your resume language matches the posting.
Composite alignment score
Blends keyword overlap, requirement match, related skill clusters, and job title alignment.
Required vs preferred
Separates must-have gaps from nice-to-have items in the posting.
Posting language extraction
Pulls skills and phrases directly from the job ad, not only a fixed dictionary — catches Remix, TanStack Query, company-specific terms, and more.
Industry-aware matching
Detects role focus and compares tools, certs, and terms for tech and non-tech industries.
Core requirements
Separate matched and missing tools, certifications, and qualifications from the posting.
Missing keywords
Skills and terms in the job ad that do not appear in your resume.
Matched keywords
Overlap you already have. Reinforce these in your summary and experience.
Resume Builder link
Jump straight to updating your resume after seeing the gap report.
How do you use ATS Keyword Gap Analyzer?
Paste job description
Copy the full posting from the company careers page or job board.
Add your resume
Paste resume text or upload a PDF, DOCX, or TXT file.
Analyze and improve
Review score, missing keywords, and suggestions, then update your resume.
How to use the gap report
Add missing hard skills truthfully to your skills section or bullet points. Mirror the job title language in your summary when accurate. Only include skills and tools you can discuss in an interview.
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