DevTools Hub · 9 tools

Money & Markets — 9 Free Online Tools

9 free online money & markets. No signup required.

Real-time money and markets tools: stock prices, cryptocurrency, gold and silver spot prices, currency exchange rates (166+), mortgage and loan calculators, and live sports scores. AI cannot show live financial data.

Compound Interest Calculator - Free Investment Growth Tool

Free compound interest calculator. Calculate investment growth with monthly contributions, compounding frequency, and year-by-year breakdown. No signup, 100% private browser tool. AI cannot compute compound interest accurately - we do.

Cryptocurrency Price Tracker - Live Crypto Prices & Charts

Free crypto price tracker. Live prices for 17,000+ coins. AI cannot show real-time crypto prices.

Free Currency Converter - 166+ Currencies Exchange Rates

Free currency converter. Convert between 166+ world currencies instantly. Live exchange rates, swap currencies, search by country or currency code.

Free Invoice Generator - PDF Invoice Maker Online

Free online invoice generator. Create professional invoices with tax, discount, 30+ currencies, and PDF download. 3 templates (Freelancer, Consulting, Service). No signup, no watermark, 100% private browser processing. AI cannot do fixed-precision tax math reliably - we do.

Free Stock Price Tracker - Real-Time Stock Quotes

Free stock price tracker. Get real-time stock quotes, price changes, highs, lows, and volume for any stock symbol. No signup required.

Gold Price Tracker - Live Spot Gold Prices & Charts

Track live gold spot prices (XAU/USD). Free real-time gold price tracker with interactive charts. Updated every minute. No signup required.

Live Sports Scores Tracker - NFL NBA MLB NHL Soccer

Free live sports scores tracker. Follow NFL, NBA, MLB, NHL and soccer in real-time. Updated every 30 seconds. No signup, no ads. AI cannot show live game scores - we do.

Loan Calculator - Mortgage & Extra Payment Optimizer

Free loan calculator that shows more than just your payment. See how extra payments save thousands, when PMI drops, and when you own your home free.

Mortgage Calculator with PMI, Tax & Insurance

Free mortgage calculator with PMI, property tax, insurance, HOA. Shows true monthly payment, total cost, amortization schedule, and affordability.

Frequently Asked Questions

4 Q&A
What financial tools are available?Nine tools: stock tracker, crypto price tracker, gold and silver spot price tracker, currency converter (166+ currencies), loan calculator, mortgage calculator, compound interest calculator, invoice generator, and live sports scores. All data comes from public APIs; calculators run in your browser.
Are the stock and crypto prices real-time?Stock prices are delayed by up to 20 minutes from the exchange (free tier limitation). Cryptocurrency prices update every 30-60 seconds from major exchanges via CoinGecko API. Gold and silver spot prices are updated every 10 minutes from precious metals markets. Live scores update in near-real-time during matches.
Can I use the loan and mortgage calculators for financial planning?Yes. The loan calculator computes monthly payments, total interest, and amortization schedule using standard loan formulas (PMT, IPMT, PPMT). The mortgage calculator includes property tax, insurance, and PMI estimates. Results are for illustrative purposes — consult a licensed financial advisor for major decisions.
Does the invoice generator create legally valid invoices?The invoice generator produces downloadable invoices in PDF and HTML format with your business details, line items, tax rates, and totals. It follows standard invoice templates but does not automatically comply with regional tax regulations (VAT, GST, sales tax). Review the output for your jurisdiction's requirements before use.

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