A sleek, fast, and modern calculator extension with full keyboard support and precision math.
Users
3
0 in 30 days
Rating
0.0 / 5
unchanged in 30 days
Ratings
0
0 in 30 days
Store rank
#354K
#271K among extensions
Version
1.0.0
updated 28 Aug 2026
Users
monthly, 2 months
Latest, 16 Oct 2026:3 usersMove the mouse over the chart for any month
Ratings count
monthly, 2 months
Latest, 16 Oct 2026:0 ratingsMove the mouse over the chart for any month
The Chrome Web Store rounds user counts down to the leading digit, so the user line moves in steps. The ratings count is exact and is the better signal of real adoption.
About QuickCalc - Modern Calculator
QuickCalc - The calculator that should have been built into Chrome.
Tired of opening your phone or searching Google just to calculate 200 + 10%? QuickCalc is a sleek, lightning-fast calculator that lives in your toolbar. Click it and calculate instantly - no new tab, no bloat.
Why users love QuickCalc:
✓ Truly Fast & Keyboard-First
Fully operable from your keyboard. Type numbers, + - * /, hit Enter for =, Esc for clear, Backspace to delete. A "Keyboard Active" indicator shows it's always ready.
✓ Precision Math, Not Broken Math
Fixes JavaScript's classic bug: 0.1 + 0.2 = 0.3 (not 0.30000000004). Handles large numbers with smart scientific notation and prevents visual overflow.
✓ Smart Features Like a Real Calculator
Live Expression: See your full calculation as you type: 125 + 35 not just 35.
Smart Percent: 200 + 10% instantly gives 220 - no extra steps.
Repeat Equals: Press = again to repeat the last operation (5 + 3 = 8, = => 11).
One-Click Copy: Click the display or the copy icon to copy the result instantly.
✓ Beautiful & Private
Modern dark UI, adaptive font sizing, operator highlighting, and smooth animations.
Zero permissions required. 100% offline. No tracking, no data collection, no ads. What you calculate stays on your device.
Perfect for students, developers, shoppers, freelancers, and anyone who needs quick math without breaking their workflow.
Lightweight. Fast. Precise. Install QuickCalc now.