Business & Finance

Counts the number of characters in the input text and calculates the reading time in real time according to the speaking speed (normal, rapid, etc.).

There is no need to register as a member, and you can generate and download PDF-format invoices and estimates from input data only on your browser.

Calculates the monthly repayment amount, total repayment amount, and total interest amount from the loan amount, interest rate, and period, and displays a detailed repayment plan table and cumulative repayment amount chart.

You can calculate the expected future asset amount from the initial investment amount, monthly savings amount, yield, and number of years, and visually compare the difference between compound interest and simple interest.

Automatically calculates overtime pay (overtime, late night, holiday work) based on the Labor Standards Act based on basic wage (or basic hourly wage) and working hours.

Dynamically counts the actual number of business days excluding Saturdays, Sundays, holidays (Japanese national holidays and substitute holidays) and arbitrary holidays from the start date and end date.

Dynamically obtain the latest exchange rates for 6 major currencies (USD, EUR, JPY, GBP, CNY, AUD) online and convert amounts in both directions.

Calculate food and drink costs for multiple people by dividing them evenly or by group (more positions, fewer late arrivals, etc.) and rounding off the fractions.

Automatically calculates depreciation expense and unamortized balance by year using the straight-line method or declining-balance method based on a corporation's asset purchase cost and legal useful life.

We calculate the return on investment (ROI), investment payback period, net present value (NPV), and internal rate of return (IRR) from the initial investment amount and annual income.

Automatically calculates retirement income deduction amount, income tax/resident tax, and net take-home pay based on the amount of retirement allowance (retirement allowance) and years of service.

Instantly perform and compare ratio calculations that are easily confused in daily life and business, such as "What is Y% of X?" and "What percentage of Y is X?"

We accurately calculate the basic hourly wage (hourly rate), which is the basis of legal overtime pay, from monthly salary, daily wage, total annual working hours, etc.

Based on historical Consumer Price Index (CPI) data for Japan and other major countries, we will calculate how much 10,000 yen in the past is equivalent to today.

Simply enter item names, prices, etc. roughly in Markdown format, and the invoice will be automatically formatted into a beautiful and professionally designed invoice, which can then be printed as a PDF.

Automatically calculate one unknown element among cost price, sales price, discount rate, gross profit rate, and profit amount from slide bar operations of other elements.

Create a 200x200px transparent PNG stamp with up to four characters in round, vertical oval, or square shapes. Customize your stamp using available device fonts while adjusting colors, borders, and weathering effects.

Enter the transaction date, time, quantity, and price of virtual currency or tokens, and calculate simple annual profit and loss and taxes (miscellaneous income) using the moving average method or total average method.

The health of your business is simulated and displayed in graphs based on customer lifetime value (LTV), cost per customer acquisition (CAC), churn rate, and average cost per customer.

The number of days and expiration date (2-year expiry rule) of paid vacation granted based on the Labor Standards Act is automatically calculated from the scheduled number of working days per week and date of employment.

We will build a CSV for bulk schedule registration that can be directly imported into Google Calendar or Outlook from the specified date range, excluded days of the week, and specific holiday information.

Simulates the round-trip commission cost and loss cut line from the spread (coins/pips), trading volume, leverage, and required margin for trading in FX, etc.

Visualize the long-term growth difference between compound interest (interest of reinvestment) and simple interest (withdrawal of interest) when investing a fixed amount using a color-coded SVG line graph.

List the various monthly and annual subscription services you have registered, and visualize and export the total expenditure and ratio on a monthly and daily basis.

Based on the size and weight of the package, we compare the shipping standards of Yamato Transport, Yu-Pack, etc., and create a 3D drawing of the optimal box size and arrangement for the cheapest price.