Add to Chrome — It's Free
v1.0.6 | Manifest V3 Secured | No Data Collection
How many times have you searched for "calculator" in a new tab just to solve a simple equation? Or fumbled with a physical calculator while looking at a spreadsheet?
QuickCalc Pro ends the clutter. It stays with you as a sleek, draggable overlay that appears exactly when you need it and disappears when you don't.
Launch instantly. Our custom keyboard shortcut ensures your calculator is always one millisecond away. No clicking, no searching.
Designed for the modern web. Our interface is semi-transparent, draggable, and stays on top of any webpage. It’s productivity that looks beautiful.
Beyond simple math. Convert Length, Weight, and Temperature instantly.
Metric to Imperial? Done.
Kilometers to Miles? Done.
Never forget a result. Access your last 20 calculations in a clean history log. Click any previous result to bring it back into your active equation.
Need the result in an email or a document? Click the result to copy it to your clipboard instantly. Precision without the typing errors.
Feature
QuickCalc Pro
Standard Calculator
Accessibility
Instant (Alt+C)
Must search/open app
Workspace
Floating Overlay
Blocks the view
Privacy
100% Local
Tracks data
Unit Conversion
Built-in
Separate tool needed
Persistence
Saves History
Resets on close
Install: Add QuickCalc Pro from the Chrome Web Store.
Activate: Press Alt + C on any webpage.
Calculate: Drag, calculate, convert, and copy results.
Dismiss: Press Alt + C again to hide. It's that simple.
Manifest V3: Built on Google’s latest extension architecture for maximum security and speed.
No Data Tracking: We don't see your history, your equations, or your location. Everything stays on your machine.
Lightweight: Won't slow down your browser. We use zero background resources when not in use.
"Finally, a calculator that doesn't feel like it's from 1995. The floating UI is a lifesaver for my data entry work." — Verified User
Join 10,000+ students and professionals who have leveled up their browser productivity.
Get QuickCalc Pro for Chrome