Recruiting & HR
How to Compare CVs: Spot Every Change Between Two Resumes
A step-by-step guide to comparing two versions of a CV or two candidates side by side — catch reworded experience, amended dates, and added skills in seconds.
If you hire, you compare CVs constantly — often without realising it. A candidate sends an updated CV before the second interview. Two applicants look almost identical on paper. A recruiter forwards a "cleaned up" version and you need to know what they actually changed. Doing this by eye is slow and error-prone: the one line that matters is buried in three pages that look the same.
This guide covers two related jobs — comparing two versions of the same CV, and comparing two different candidates — and the fastest way to do each.
Comparing two versions of one CV
This is the most common case: a candidate revised their CV between rounds, or your team reformatted it, and you want to confirm nothing important was added, dropped, or quietly reworded. Recruiters occasionally inflate dates or titles between the version a candidate submits and the version that reaches the hiring manager — a side-by-side diff makes that obvious in seconds.
- Open the Compare CVs tool and drop the original CV on the left, the new version on the right.
- Every added line is highlighted, every removed line struck through, and reworded sentences show the exact words that changed.
- Scan the highlights top to bottom — dates, job titles, and responsibilities are where meaningful edits hide.
Formats: PDF and DOCX are the norm for CVs, and both work directly — you don't have to convert anything first. The tool reads the text out of the document and compares the content, not the layout, so a reformatted CV with the same wording shows as unchanged.
Comparing two different candidates
Comparing two people is a different task — you're not looking for edits, you're looking for the delta in skills and experience. A structured text diff still helps: line up the two CVs and the differences (one has Kubernetes, the other doesn't; one has five years, the other two) jump out instead of forcing you to hold both documents in your head.
For a cleaner read, first pull each CV down to plain text with the CV content extractor, then compare the two extracts. Stripping the formatting removes visual noise so the comparison is purely about substance.
Why not just use Word's Compare feature?
Word's Review → Compare works, but only if you have Word, both files are Word documents, and you're comfortable opening someone's CV on your machine. Most CVs arrive as PDFs, and CVs are personal data — uploading them to a random online converter is a real privacy problem.
Everything here runs in your browser. The CV is read locally in JavaScript and never uploaded to a server — there's no file to leak, because there's no upload.
A quick checklist for reviewing CV changes
- Dates & tenure — the most commonly "adjusted" field. Confirm employment gaps didn't quietly close.
- Job titles — "Engineer" becoming "Senior Engineer" between versions is worth a question.
- Quantified claims — numbers that grow between drafts deserve a second look.
- Added sections — new certifications or projects appearing late in the process.
Once you've done it a couple of times it takes well under a minute per pair, and you stop missing the edits that used to slip through. If you review CVs regularly, the recruiting comparison tools cover resumes, offer letters, and job descriptions with the same private, in-browser workflow.
Catching recruiter and candidate edits
The version a candidate submits and the version that reaches the hiring manager aren't always the same document. Agencies reformat CVs, sometimes helpfully and sometimes not — a job title inflated, an employment gap closed, a client name removed. A candidate might also send a "refreshed" CV before a later round with a title bumped or dates smoothed over. None of this is necessarily dishonest, but you want to know it happened. A side-by-side diff of the two versions makes every one of these edits explicit, so you can ask about the ones that matter instead of taking the latest copy on trust. For a distraction-free read, pull each version to plain text with the CV content extractor before comparing.
Comparing a CV against the job description
Beyond comparing CVs to each other, it's useful to line a CV up against the role you're hiring for. Reading them side by side turns "does this person fit?" into a concrete gap list: which required skills appear, which are missing, and where the experience is thinner than the spec asks for. It's a faster, more consistent screen than forming a general impression from a single read-through, and it keeps every candidate measured against the same yardstick. The recruiting tools handle job descriptions and resumes in the same private workflow.
Resumes vs. CVs and different file formats
The terms differ by region — "resume" in the US, "CV" elsewhere — but the comparison job is identical, and the resume comparison tool works the same way. More practically, candidates send whatever they have: PDF, DOCX, sometimes a PDF against a Word file. Because the comparison reads the text content rather than the layout, mixed formats compare cleanly and a reformatted CV with unchanged wording correctly shows as unchanged.
Frequently asked questions
How do I compare two versions of a CV?
Open the Compare CVs tool, drop the original on the left and the newer version on the right, and read the highlights: added lines in one colour, removed lines struck through, and reworded sentences showing the exact changed words. It's free to try and nothing is uploaded.
Can I compare a PDF CV against a Word document?
Yes. PDF and DOCX both work, and you can compare one format against the other because the tool reads the text out of each file rather than comparing layouts.
Is it safe to compare CVs online given they contain personal data?
The comparison runs entirely in your browser in local JavaScript — the CV is never uploaded to a server. That's a genuine privacy advantage over generic online converters, since there's no file to leak because there's no upload.
How can I tell what a recruiter changed on a candidate's CV?
Compare the candidate's original submission against the agency's version. The diff highlights every altered title, adjusted date, and removed or added section, so edits made in between are impossible to miss.
What should I look for when reviewing CV changes?
Dates and tenure, job titles, quantified claims, and newly added sections such as certifications or projects — these are the fields most often adjusted between drafts and the ones worth a question.