Cookie preferences

HundrED uses cookies to enhance user experiences, to personalise content, and analyse our web traffic. By clicking "Accept all" you agree to the use of all cookies, including marketing cookies that may help us deliver personalised marketing content to users. By selecting "Accept necessary" only essential cookies, such as those needed for basic functionality and internal analytics, will be enabled.
For more details, please review our Cookie Policy.
Accept all
Accept necessary
keyboard_backspace Back to HundrED
Lasse Leponiemi

Chairman, The HundrED Foundation
first.last@hundred.org

Cubbbix CEFR Language Quizzes

Free CEFR-aligned language level quizzes with verifiable certificates

Millions of language learners need a quick, trustworthy way to measure their CEFR level (A1–C2) — but certified tests are expensive and slow. Cubbbix provides free, browser-based CEFR-aligned quizzes: open one and start instantly, no signup or installs. Finishers earn a verifiable certificate to share with schools and employers.

Overview

Information on this page is provided by the innovator and has not been evaluated by HundrED.

Updated October 2026

2026

Established

1

Countries
Students upper
Target group
My dream is a world where no learner is ever blocked from proving what they know by the cost of a test. I want credible, CEFR-aligned level assessment to be a free public utility — as easy to access as opening a browser tab. Through Cubbbix CEFR Language Quizzes, I hope to see education systems, employers, and learners treat free, verifiable level checks as a legitimate first step: students placing themselves accurately, teachers spending less on diagnostics, and talented people from low-income backgrounds getting the same shot at opportunities as anyone else. If free proof of language level becomes normal, the whole ladder — learning, certification, employment — gets fairer.

About the innovation

Why did you create this innovation?

Language learners worldwide need a fast, credible way to know their CEFR level, but official proficiency tests are expensive, slow, and hard to access. Many learners study for years without ever getting a trustworthy measure of their level, which holds back job applications, university admissions, and personal goals. I created Cubbbix CEFR Language Quizzes to remove that barrier: free, instant, browser-based level checks aligned to the CEFR scale from A1 to C2, with verifiable certificates learners can actually use. No signup, no cost, no waiting — open a quiz and prove your level.

What does your innovation look like in practice?

A learner visits cubbbix.com, chooses a language level quiz, and answers calibrated questions right in the browser — no account, no installation, no payment. Each quiz maps to the CEFR framework from A1 (beginner) to C2 (mastery). On completion, the learner instantly gets a CEFR level result plus a verifiable certificate to download or share with schools and employers. Teachers use the quizzes as a free placement check; learners retake them anytime to track their progress.

How has it been spreading?

Cubbbix is a free, open web platform, so learners find the quizzes through search, social sharing, and the wider Cubbbix toolkit of 400+ free online tools that brings steady organic traffic. With no signup and no cost, a curious visitor can go from first click to certified level in one session — and shareable certificates drive word-of-mouth. The quizzes run entirely in the browser for anyone worldwide, with visitors from the United States, United Kingdom, Canada, India, Singapore, China and beyond.

If I want to try it, what should I do?

Open https://cubbbix.com in any browser — no signup or installation needed. Pick a language level quiz, answer the questions, and receive your CEFR level plus a verifiable certificate instantly. It is completely free.

Implementation steps

Open Cubbbix in your browser
Go to https://cubbbix.com on any device — no signup, no installation, and no payment needed.
Choose a language level quiz
Pick a quiz for the language you want to test. Each quiz is aligned to the CEFR scale from A1 (beginner) to C2 (mastery).
Answer the questions and get certified
Complete the quiz in your browser and instantly receive your CEFR level result plus a verifiable certificate to download or share.