These 5 free financial and data tools give you live market data, real economic statistics, and country comparisons — powered entirely by public APIs with no backend, no ads tracking you, and no signup required.
1. Live Crypto Price Dashboard
Track the top 50 cryptocurrencies in real time with live prices, 24h changes, market caps, and trading volume. Switch between USD, EUR, GBP, BDT, and INR. Click any coin for a 7-day price chart. Auto-refreshes every 60 seconds.
Powered by: CoinGecko API (free, 30 requests/min, no key required)
2. Live Currency Converter with Historical Rates
Convert between 150+ currencies at live rates or look up what the exchange rate was on any specific date back to 2023. Shows a 7-day rate trend and alerts you if today's rate is above or below the weekly average.
Quick pairs: USD/EUR, USD/GBP, USD/JPY, USD/BDT, USD/INR, GBP/EUR.
Powered by: fawazahmed0 currency API via jsDelivr CDN (truly free, no key, unlimited)
3. Personal Inflation Rate Calculator
The official CPI doesn't reflect your actual cost of living. This tool calculates your personal inflation rate based on how you actually spend — housing, food, healthcare, transport, education, and more.
Adjust the sliders to match your spending, pick a year range (2010–2025), and see whether you've personally experienced more or less inflation than the government reports.
Built-in data: US CPI by category, annually 2010–2025
4. Country Development Stats Comparator
Compare any two countries side by side across 10 World Bank indicators: GDP, GDP per capita, population, life expectancy, literacy rate, GINI inequality index, health expenditure, education expenditure, electricity access, and internet penetration.
Color-coded winner per metric. Shareable comparison URL. 150+ countries. Data cached locally for fast repeat use.
Powered by: World Bank Open Data API (free, no key, unlimited)
5. GitHub Profile Analyzer
Analyze any public GitHub profile instantly — see total stars, top languages, most active repositories, follower count, and a language breakdown chart. Useful for evaluating developers, finding open source contributors, or sharing your own developer stats.
Try: torvalds, gaearon, sindresorhus
Powered by: GitHub public API (60 requests/hour, no key required)
All tools work offline after first load (cached locally). No data sent to our servers. Explore 1,954+ free tools at Teamz Lab Tools.
Originally published at https://tool.teamzlab.com
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