Clay Liang

Fin Tools

Free financial tools with live data. No sign-up, no ads, runs in your browser.

Currency Crypto Stocks Inflation Data DCF Compound Loan Stock Return Inflation Calc ASML Tracker

💱 Currency Converter

What is this?

Convert currencies using real ECB rates. The mini charts show 30-day trends. Click any card to quick-convert.

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₿ Crypto Prices — live

What is this?

Live cryptocurrency prices from CoinGecko. Prices update every time you open the page. Shows the top coins by market cap plus 24-hour change.

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📈 Stock Quote — live

What is this?

Look up any US stock price by ticker symbol (like AAPL, TSLA, MSFT). Uses Alpha Vantage free API. The free tier allows 25 lookups per day — plenty for checking prices. Data is delayed ~15 min.

Quick:

🌍 Inflation by Country — World Bank data

What is this?

Real annual inflation rates (CPI) for major economies, from the World Bank. This is the official data governments report. Updated yearly — the most recent data is typically 1-2 years behind. Useful for comparing inflation across countries over time.

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🏢 Company Valuation (DCF)

What is this?

DCF estimates a company's worth by adding up all future cash flows, discounted to today's value. $100 next year is worth less than $100 today — the discount rate captures that.

Try:
Estimated Value
YearFCF ($M)DiscountPV ($M)

🌱 Compound Interest

What is this?

See how money snowballs. Start with something, add monthly, and let time work. Stock market averages ~7-10%/yr historically.

Try:
After 20 Years
YearPut InInterestBalance

🏠 Loan / Mortgage

What is this?

Calculate monthly payments for any loan. See total interest cost and how extra payments save money.

Try:
Monthly Payment
YearPrincipalInterestRemaining

📊 Stock Return Calculator

What is this?

Enter buy/sell price and holding period to get your total and annualized return. Annualized lets you fairly compare investments held for different durations.

Your Return

💸 Inflation Calculator

What is this?

See how inflation erodes purchasing power. Check what today's money will buy in the future, or what old money would be worth now.

Try:
Purchasing Power in 10 Years
YearValueChange