Hiring shouldn't feel like a game of luck.

Resumes are now commercials, not facts. With AI tools and “packaging” services, every candidate looks like a superstar on paper. This leads to wasted interview hours, expensive mis-hires, and a damaged reputation for the recruiter.

=> You deserve a hiring process built on PROOF!


Your Success Path

Three simple steps from invite to shortlist.
1
Select Your Test

Choose from our ready-to-use library or build your own in minutes.

2
Invite Candidates

Send a simple link to your applicants—no spreadsheets, no chaos.

3
Hire the Truth

Get a ranked shortlist of verified top performers with clear, defensible data.

AI-powered screening that gets you to a confident shortlist

Create role-ready tests in minutes, then see ranked results with clear, defensible evidence.

AI-powered screening that gets you to a confident shortlist

Create role-ready tests in minutes, then see ranked results with clear, defensible evidence.

TestOnion Campaign Interface

We’ve Been There Too

We know the frustration of finding out a “perfect” candidate can’t actually do the job on their first day. That’s why we built TestOnion—to give recruiters a simple, trustworthy way to verify skills before making an offer.

Native ATS integrations for teams
SmartRecruiters SeamlessHR Zoho Recruit BambooHR Workpay peopleHum

Launch role-ready tests in minutes

Start from ready-to-use tests, or build your own quickly powered by AI — without sacrificing quality.

TestOnion Prebuilt Test Interface

Launch role-ready tests in minutes

Start from ready-to-use tests, or build your own quickly powered by AI — without sacrificing quality.

Happy Customer
Happy Customer

Why Choose TestOnion

Make decisions you can stand behind.
  • Reduce bias with consistent scoring
    Assess candidates on the same criteria, then compare with confidence.
  • Save time on screening
    Automate invites, reminders, and scoring so your team focuses on interviews, not admin.
  • Keep results credible
    Configurable proctoring helps deter cheating and protect the integrity of your process.
  • Feel confident saying “yes”
    Clear performance data makes shortlisting feel calmer, faster, and more defensible.

Stop Guessing. Start Knowing.

The score you see is the skill they have.
TestOnion Anti-Cheat Proctoring

Our robust anti-cheat engine ensures the score you see is the skill they have. Know the truth about candidate test-taking through robust proctoring signals.

  • Tab-switch detection
  • Fullscreen enforcement
  • Copy-paste blocking
  • Webcam Snapshots (Optional)
  • and more

What happens when you hire on gut feel alone?

  • Wasted salary on underperformers.
  • Months of lost productivity while you scramble to fill the gap.
  • The stress of starting the search all over again.
Start Verifying Skills Now


Question types that match real work

Build assessments that feel relevant—not generic.
Multiple Answer Multiple Answer
Single Answer Single Answer
Diagram Diagram




Boolean True or False
Exact Match Exact Match
Essay Essay




File Upload File Upload
File Upload Multi-Choice
Programming Programming


Not ready yet? Get the free guide.

The Recruiter’s Guide to Spotting Paper Professionals

Learn the red flags AI-polished resumes hide—and the 5 questions that reveal the truth. Free, instant download.

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