Know yourself, one assessment at a time.
Personality, skills, interests. Terumiu designs open assessments anyone can try — moments that help you meet a new side of yourself.
- 100+
- Open assessments
- 8
- Languages
- Free
- to start instantly
Grader — an open assessment platform
Personality, skills, interests. Pick an assessment, answer a few questions, and get data-driven results with fresh insight. Sign in to save and share your results.
A growing library
From personality tests to skill checks, we continuously add open assessments for every purpose.
Clear results
Get a visualized score and explanation right after you finish, so your tendencies are easy to grasp.
Multilingual
Available in Japanese, English and more — the same experience, shared across the world.
What we care about
Honest data design
We take responsibility for how assessments are designed and shown — a trustworthy experience that never overstates.
Gentle products
Intuitive without expertise required. We value clear, open design that welcomes everyone.
Always sharing
We share new assessments and learnings on the Journal, offering ongoing sparks for self-understanding.
Latest updates
New assessment announcements, behind-the-scenes notes, and insights to help you understand yourself.
Meet the ability tests — measure how you think
Logic, numbers, reasoning, reading — a suite of tests that measure the thinking skills behind study and work is now on Grader.
Read moreA career-fit assessment is here
Explore the kind of work that might suit you, from your strengths and values. A career-fit assessment is now on Grader.
Read moreTree and tool join our personality series
Two new motifs — tree and tool — join the personality series that reflects you through familiar things.
Read moreA product studio, built with care.
Terumiu is a studio that plans and runs web services and products. Today, through Grader, we deliver a way to know yourself.
Why not try one right now?
No sign-up needed to start. Pick an assessment that catches your eye and go meet a new side of yourself.
Try Grader