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AI Resume Optimizer

Transform your resume into a job-winning document

Also available as a Chrome extension — 5 tools in your right-click menu. Install Free →

3 optimization modes Free, no signup
Humanize Detect Resume
Strengthen bullet points with action verbs and measurable results
Input
0 / 500

Paste your resume, or start with a template:

Tech
Business
Creative
Healthcare
Other
or paste your own
Optimized

Optimized resume appears here

Paste your resume and click Optimize

3 free uses per day · No signup required

3
Optimization modes
500
Words free
3/day
Free uses
0–100
ATS score range

How It Works

1

Paste your resume

Copy and paste your experience section, a few bullet points, or your full resume. Up to 500 words on the free plan.

2

Choose a mode

Rewrite to strengthen language, ATS Check to score and find gaps, or Tailor to Job to match a specific posting (paid).

3

Get your optimized resume

Copy the improved text back into your document. For ATS Check, review the score and fix flagged issues before applying.

Use Cases

Job Seekers

Weak bullet point rewriting

Turn passive descriptions like "responsible for managing social media" into impact statements like "Grew Instagram following 40% in 6 months." Strong verbs and numbers get interviews.

Career Changers

Industry language alignment

Moving from one field to another means your resume may not speak the same language as hiring managers. Tailor to Job bridges that gap by surfacing the exact terms and skills the role demands.

Recent Grads

ATS keyword optimization

Entry-level resumes often fail ATS scans because they lack the right keywords. ATS Check identifies what is missing before you submit, improving your chances of a human ever seeing it.

Professionals

Annual resume refresh

Paste your current resume once a year and run a quick Rewrite pass. Keeps language current, eliminates dated phrasing, and surfaces new ways to frame your growing experience.

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FAQ

What does the AI Resume Optimizer do?
It analyzes your resume text and improves it in three ways: Rewrite mode strengthens weak bullet points with action verbs and quantified achievements, ATS Check scores your resume against applicant tracking system criteria and surfaces missing keywords, and Tailor to Job customizes your resume content to match a specific job posting.
How does the Rewrite mode work?
Paste your resume experience section (or the full resume) and the AI rewrites each bullet point using strong action verbs, specific metrics, and result-oriented language. Weak phrases like "responsible for managing" become "Managed and grew X by Y%." The structure and factual content remain yours — the AI improves phrasing and impact.
What is ATS Check?
ATS (Applicant Tracking System) software scans resumes before a human ever sees them. Our ATS Check scores your resume 0–100, identifies formatting issues, flags weak language, and shows you which industry keywords are present or missing. A score above 75 puts you in good shape for most ATS systems.
How does Tailor to Job work?
Paste your resume in the main field and the full job description in the second field. The AI cross-references both and rewrites your bullet points to mirror the language, skills, and priorities in the job posting — without fabricating experience you do not have.
Will the AI change my actual experience?
No. The AI only rewrites how your experience is expressed, not what the experience is. It will not add jobs, degrees, or skills you did not include. It improves verbs, adds structure, and suggests where you could add metrics — but the facts must come from you.
What is the word limit?
Free users can submit up to 500 words per request, which covers most experience sections. Paid plans support up to 2,000–10,000 words depending on your subscription, making it practical to process a full multi-page resume at once.
Can I use this for cover letters?
The Rewrite and Tailor modes work well for cover letters too. For cover letters specifically, try our AI Email Writer or Essay Writer — both handle formal professional writing with good results.
How does this compare to Resume.io?
Resume.io is a full resume builder ($24.95/month) focused on creating resumes from scratch with templates. Coda One is a free optimizer — paste your existing resume and get it improved in seconds with stronger verbs, ATS scoring, and job-tailored keywords. We also offer 20 industry starter templates across tech, business, creative, healthcare, and more. If you already have a resume, Coda One gets you better results faster and for free.
Is my resume data stored?
No. Your resume text is processed in real-time and not stored on our servers. We do not use your content to train AI models or share it with third parties. For sensitive personal information, you may want to redact contact details before pasting.
Is it really free?
Yes. Rewrite and ATS Check are both free with 3 uses per day and up to 500 words each. Tailor to Job is a paid feature. No credit card or signup required to use the free modes.
Do I need to create an account?
No. All free tools work without an account. Sign up only if you want to track usage history or access paid features like Tailor to Job.
Can I pay with cryptocurrency?
Yes. We accept USDT, USDC, BTC, ETH, and other cryptocurrencies. No credit card or bank account needed. Plans start at $9.99/month.
Is there a Chrome extension?
Yes. Our free Chrome extension includes AI Humanizer, Grammar Checker, AI Detector, Translator, and Word Counter — all accessible via right-click on any website.
Does it work on mobile?
Yes. All web tools work in mobile browsers. For the best resume editing experience, a desktop or tablet is recommended since you will be working with longer text.

Coda One's AI Resume Optimizer helps job seekers at every level write stronger resumes. The Rewrite mode replaces passive language with action verbs and results-oriented phrasing. ATS Check scores your resume against applicant tracking system criteria and identifies missing keywords before you submit. Tailor to Job aligns your experience language with the specific role you are targeting. All powered by advanced language models, all free to start.

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