Selection Calculator - Highlight & Calculate

Floating calculator for website numbers, with Instant Mode, pause control and decimal separator settings.

With Selection Calculator, you can highlight numbers on any website and instantly calculate them – no extra apps, no copy & paste. Highlight & calculate – just select numbers, and the popup calculator appears immediately. Stop wasting time switching devices or apps. With Selection Calculator, you don’t need to grab your smartphone or launch your OS calculator anymore. Forget about copy & paste for every single number — simply highlight the number on the page, and the calculator popup appears right where you need it. Fast, seamless, and always at your fingertips. Benefits: Fast & intuitive – no new tab, no switching tools. Drag & drop – move the calculator anywhere on the page. Clean design – lightweight and distraction-free. Save time while working, shopping, or studying online. Instantly calculate prices, bills, or data without leaving the page. Works everywhere you can highlight numbers: websites, web apps, PDFs in browser.