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Convert binary numbers to decimal.
Convert the binary number to its decimal equivalent.
Learn the binary number system. It is aimed at players aged 12+ and up, and a typical round takes around 3 minutes. If you already enjoy technology, Binary and number games, you will feel at home here within seconds.
The goal is straightforward. The on-screen instructions walk you through it, and you can start playing with a single click. Controls are intuitive: use your mouse or keyboard on a computer, or tap and swipe on a phone or tablet. Because everything runs locally in your browser, Binary reacts instantly and never needs a page reload.
Playing short, regular sessions supports memory, focus and mental agility.
Hard to say? It is rated Medium, aimed at ages 12++ and above, and takes about 3 minutes per session — a good fit for a coffee break, a commute, or a relaxed evening. It works equally well on desktop, laptop, tablet and phone, with no account and nothing to install. Keep an eye on your best score: it is saved on your device so you can measure your progress over time.
Yes. Binary is completely free, with no paywalls, no subscriptions and no hidden costs.
No. Binary runs entirely in your web browser. There is nothing to install and no account to create.
Yes. The game is responsive and touch-friendly, so it works on phones, tablets, laptops and desktop computers.
It is recommended for ages 12+ and is family-friendly, with no chat and no in-game purchases.
A typical round lasts around 3 minutes, so it fits easily into a short break.
It is rated Medium. The rules are explained on the page, and most players are comfortable within their first round.
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