JR Trove
Free · Browser-only · No signup

Crypto Converter

Live crypto prices for the top 18 coins by market cap. Convert between any pair — BTC/ETH/USDT/SOL/BNB and 13 more — to/from USD, EUR, GBP, INR, AED, JPY. 1-minute cached from CoinGecko.

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Powered by CoinGecko — free public crypto API. Cached 1 minute. Top 18 coins by market cap. For trading, use a real-time exchange feed (Binance, Coinbase, Kraken) — these prices have small lag.
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Inside the tool

What powers the Crypto Converter

Top 18 cryptocurrencies by market cap

Live prices from CoinGecko (cached 1 min)

6 fiat currencies + BTC + ETH as quote currencies

24h change % per coin

Manual refresh button

Built differently

Why the Crypto Converter is different

Browser-native

The Crypto Converter runs entirely in your browser. Input is processed locally — never uploaded, never logged, never cached anywhere outside your device.

No artificial limits

No daily quotas, no character ceilings, no "upgrade for more" walls. Every feature is the complete feature — the same on the first use as the thousandth.

Production-grade quality

Built to the same engineering bar as paid SaaS tools — accurate algorithms, audited logic, responsive design and accessibility-tested interactions.

Use Contexts

Common use contexts

  • Trading prep — quick price lookups
  • Portfolio valuation in different currencies
  • Comparing exchange rates across pairs
  • Tax / accounting in local currency for crypto income
Privacy by design

Private and secure

Zero upload

All processing happens in your browser. Input is never transmitted, logged or cached.

Works offline

Once the page loads, the tool runs without an internet connection. No network calls happen during use.

No tracking

No accounts, no cookies for tool state. Only aggregate analytics count visits at the page level.

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FAQ

Crypto Converter questions

Refreshed every 1 minute via our server cache. For tick-by-tick trading data, use a real-time exchange WebSocket (Binance, Coinbase, Kraken).