Currency Crypto Converter crby

Track. Convert. Decide with confidence. Real-time rates, instant scanning, conversion chains with fees, and portfolios across fiat, crypto, and stocks.

Crabby — Understand Money Before You Move

Money rarely moves in a straight line. A currency becomes crypto. Crypto becomes stock. Fees, rates, and small differences decide the final result.

Crabby helps you understand the full path — not just the price.

Convert & Scan

Convert currencies, cryptocurrencies, and stocks in real time. Scan prices from receipts or tags and instantly see what they cost in your currency — ideal for travel and everyday decisions.

Chain Converter

Build multi-step conversion chains. Use real buy and sell rates, add fees or spreads, and compare your result with the market.

Know how much money you’ll actually have left — before you make the move.

Prices & Watchlist

Create your own list of currencies, crypto, and stocks. Track price changes over time.

Crypto updates in real time. Other markets refresh regularly.

No noise. Only what you follow.

Smart Calculator

Have assets in different currencies, stocks, or crypto? Add them together, include fees or taxes, and convert the total into any currency.

One clear result — without spreadsheets.

Portfolio

Create a portfolio and add your holdings. Track total value, profit and loss, and asset allocation as prices change.

See how your portfolio evolves — clearly and simply.

Security & Privacy

All data is stored locally on your device. No accounts. No cloud.

Protect sensitive screens with a PIN or biometric authentication. Your financial data stays private — always.

No Ads. Ever.

No banners. No tracking. No distractions.

Just focused tools for better financial decisions.