A convenient calculator assistant that runs loan interest, compound interest, savings, and real estate tax calculations directly in…
Users
4
+1 in 30 days
Rating
0.0 / 5
unchanged in 30 days
Ratings
0
0 in 30 days
Store rank
#302K
#248K among extensions
Version
1.0.1
updated 1 Aug 2026
Users
monthly, 4 months
Latest, 18 Oct 2026:4 usersMove the mouse over the chart for any month
Ratings count
monthly, 4 months
Latest, 18 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 Maumcalc Helper
💸 From complex financial figures to daily salary calculations, perform your operations instantly without leaving your browser! Meet your ultimate smart finance assistant: [Maumcalc Calculator Assistant].
When browsing the web, have you ever encountered large numbers like "350 million won" or "2.5 million won per month" and found it annoying to open your calculator and enter digit by digit, carefully counting every single zero?
From now on, simply drag the text on the web page and right-click! Maumcalc Calculator Assistant will smartly detect the numbers and currencies to connect you with the right calculator instantly.
✨ Key Core Features
1️⃣ Smart Analysis via Drag & Right-Click
- Highlight any text containing money figures on online stores, real estate sites, news articles, etc., and right-click.
- The extension accurately parses numbers and currencies to automatically fill in the values and open the corresponding calculator (loans, deposits, compound interest, or salary).
2️⃣ 5 Essential Lifestyle & Financial Calculators Built-in
- 🏦 Loan Calculator: Compare monthly payments and total interest in real-time between Equal Principal & Interest and Equal Principal repayment methods.
- 📈 Compound Interest Calculator: Easily simulate cumulative investment returns and estimated maturity amounts over different periods.
- 🐷 Savings & Deposit Calculator: Calculate pre-tax and post-tax interest, interest tax (15.4%), and net maturity payout for both installment savings and lump-sum deposits.
- 💵 Salary & Income Calculator: Enter an annual or monthly salary to instantly check the actual "take-home pay" after deducting income taxes and social security contributions (based on Korean tax laws).
- ⌨️ Classic Calculator: Supports dual keyboard and mouse input, saves calculation history, features sound effects, quick buttons for VAT (+10%) & Discount (DC), and a visual guide for reading large numbers.
3️⃣ Premium Optimized UI/UX
- A modern dark Glassmorphism theme that is comfortable and gentle on your eyes.
- Supports both Chrome Sidepanel and Popup views, allowing you to use it on the right side of your screen without interrupting your web browsing.
- 🌐 Real-time 6-Language Selector: Instantly switch between English, Korean, Japanese, Chinese (Traditional), Spanish, and Vietnamese via the dropdown menu to perform calculations tailored to global currencies (USD, EUR, JPY, KRW, VND, etc.).
💡 Super Simple Use Cases!
- Spotting a loan limit in a real estate article? ➔ Drag & Right-click ➔ Check your monthly payments instantly with the Loan Calculator!
- Reviewing a salary figure in a job posting? ➔ Drag & Right-click ➔ Calculate your actual monthly take-home pay with the Salary Calculator!
- Want to know your payouts when your savings mature? ➔ A single click gets you the exact net payout!
The beginning of fast, smart, and intuitive financial calculations.
Install [Maumcalc Calculator Assistant] now and experience a much smarter way to browse the web!
Growth
Window
Users
Change
Ratings
Rating
7 days
0
+0.0%
0
0.00
30 days
+1
+33.3%
0
0.00
Chrome Web Store search rankings
Where Maumcalc Helper appears when people search the store, with the 30 day change