A clean, fast calculator in your browser toolbar. Supports basic arithmetic, percentages, keyboard input, and calculation history.
Users
4
0 in 30 days
Rating
0.0 / 5
unchanged in 30 days
Ratings
0
0 in 30 days
Store rank
#277K
#229K among extensions
Version
1.0.0
updated 6 Mar 2026
Users
monthly, 7 months
Latest, 15 Oct 2026:4 usersMove the mouse over the chart for any month
Ratings count
monthly, 7 months
Latest, 15 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 Simple Calculator
Simple Calculator is a fast, clean calculator that lives right in your Chrome toolbar. Click the icon and start calculating instantly — no need to open a new tab or switch to another app.
🔑 Key Features:
→ Basic arithmetic: add, subtract, multiply, divide
→ Percentage calculations
→ Backspace to correct mistakes
→ AC (All Clear) to start fresh
→ Decimal point support
→ Full keyboard support (0-9, +, -, *, /, Enter, Backspace, Escape)
→ Clean dark-themed interface
→ Calculation history — review and reuse past results
→ Click any history entry to load it back into the display
→ Works offline — no internet required
💡 How to Use:
1. Click the Simple Calculator icon in your toolbar
2. Click buttons or use your keyboard to enter calculations
3. Press = or Enter for the result
4. View past calculations in the History tab
5. Click any history entry to bring it back
⌨️ Keyboard Shortcuts:
→ 0-9: Enter numbers
→ +, -, *, /: Operators
→ Enter or =: Calculate
→ Backspace: Delete last digit
→ Escape: Clear all
→ %: Convert to percentage
→ .: Decimal point
🔒 Privacy First:
→ Only uses storage permission for history
→ No browsing data collected
→ No external connections
→ All calculations done locally