도구 가이드

Finance Tools — Free Online Utilities

Money and finance tools — loan and amortization calculators, budgets, and currency helpers — to plan payments, compare options, and understand the numbers behind a decision.

34 도구 무료 회원가입 불필요
50/30/20 Budget Calculator

Calculate and track your budget using the 50/30/20 rule.

Budget vs. Actual Tracker

Compare planned budget against actual spending with visual charts

Credit Card Validator

Validate card numbers with Luhn check and detect card network

Currency Exchange Rates

Live currency exchange rates and converter

Inflation Calculator

Calculate purchasing power and inflation impact using historical CPI data from 1913–2025.

Investment Calculator

Project investment growth with compound interest and charts

Investment Returns Calculator

Project investment growth with charts, scenarios, and inflation-adjusted returns.

Loan Affordability Calculator

Find the maximum loan you can afford based on your income, debts, and the 28/36 rule.

Loan Comparison Calculator

Compare up to 3 loans side by side with visual charts

Loan Eligibility Checker

Estimate loan eligibility based on income, debts, credit score, and loan type.

Loan Payoff Calculator

Calculate how to pay off debt faster with avalanche vs snowball strategies.

Loan vs. Lease Calculator

Compare the total cost of buying (loan) versus leasing a car or equipment.

Mortgage Amortization Table

Generate a full mortgage amortization schedule with charts and summary

Mortgage Calculator

Calculate your monthly mortgage payment with taxes, insurance, PMI, and amortization.

Mortgage Comparison Tool

Compare 2–3 mortgage offers side-by-side including APR and break-even analysis.

Mortgage Overpayment Calculator

See how much time and interest you save by making extra mortgage payments.

Net Worth Calculator

Track assets, liabilities, and visualize your personal net worth

Professional Invoice Generator

Create polished invoices with logo, multiple tax rates, discounts, and payment details.

QR 코드 생성기

품목, 세금 계산 및 PDF 인쇄 지원이 포함된 전문적인 청구서를 만드세요.

Retirement Calculator

Project your retirement savings with compound growth, inflation adjustment, and a 4% rule income estimate.

Savings Goal Calculator

Calculate how long it takes to reach your savings goal with compound interest.

Signature Maker

Generate stylised text signatures or draw freehand and download as PNG.

Stock Screener (Demo)

Filter and sort a demo dataset of 30 well-known stocks.

Tax Calculator

Estimate your US federal income tax using 2024 tax brackets.

US Tax Bracket Visualizer

Visualize how your income is taxed across 2024 US federal brackets with a clear chart.

Unit Price Comparator

Compare cost-per-unit across products to find the best shopping value.

VAT Calculator

Add or remove VAT / sales tax from any amount instantly.

단위 변환기

API 없이 미니 환율표로 30개 주요 세계 통화 간에 변환합니다.

대출 할부 상환표

월 상환액, 총 이자, 전체 상환 일정 계산.

숫자를 통화 표기로 변환

수표 작성 및 법적 문서를 위해 모든 숫자를 통화 문자로 변환하세요.

예산 플래너

월 소득과 지출을 추적하고, 카테고리별 지출을 시각화하며, 예산을 CSV로 내보내세요.

이력서 작성기

실시간 미리보기와 인쇄-PDF 저장 기능을 갖춘 깔끔한 한 페이지 이력서를 계정 없이 작성하세요.

지출 추적기

카테고리별로 개인 지출을 추적하고, 월별 예산을 설정하고, 요약 및 추세로 지출을 시각화하세요.

퍼센트 계산기

참석자 수, 급여, 지속 시간을 기반으로 실시간 비용 타이머로 회의의 실제 비용을 계산하세요.

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