Crypto · 6 free tools · no account
Crypto tools that stay in the browser
Live prices and historic charts, a top-coins markets table, profit math, DCA projections, position sizing, and fiat converters for Bitcoin and friends. Same Swift Penguin rules: no signup, no tip lists, capital at risk. Crypto is volatile — these are tools, not signals.
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Crypto calculators
CryptoCrypto Prices & Charts
Live quotes + historic charts.
Search Bitcoin, Ethereum, Solana or any coin for a live USD price, market cap, ATH context, and historic charts from 24h to max history — CoinGecko data, no signup.
CryptoCrypto Markets
Top coins by market cap.
Scan the top cryptocurrencies by market cap with live-ish USD prices, 24h/7d/30d moves, volume, and 7-day sparklines. Click any name for a full historic chart.
CryptoCrypto Profit Calculator
BTC/ETH trade P&L with fees.
Enter buy price, sell price, coin amount, and exchange fee % to see net profit or loss, return %, and break-even — built for crypto, not share counts.
CryptoCrypto DCA Calculator
Recurring buys vs lump sum.
Model weekly or monthly crypto buys against a lump sum under your assumed return. Chart included — stress-test rates because crypto drawdowns are brutal.
CryptoCrypto Position Size
Risk % to coin amount.
Turn account equity, risk %, entry, and stop into how many coins to buy — with optional leverage so you see margin vs risk. Spot = leverage 1.
CryptoCrypto Converter
Any coin · live prices · fiat or swap.
Search any CoinGecko coin (BTC through PEPE/SHIB/WIF) for live fiat prices, fiat↔crypto or crypto↔crypto conversion, fee %, and smart decimals for micro-priced alts. Sats for Bitcoin.
How to use these
- Prices for live quotes and historic charts before you trust a screenshot elsewhere.
- Markets to scan top coins by market cap and short-term moves.
- Convert fiat → coin amounts before you click buy.
- Size so a stop defines the loss, not a vibe.
- DCA to see schedule math vs lump sum under your assumptions.
- Profit to settle a closed (or planned) trade after fees.
New to the vocabulary? Read What is cryptocurrency? — an explainer of Bitcoin, Ethereum, stablecoins, and alts with zero buy tips. Nothing on this page is a recommendation to buy any token. Do your own research; understand custody and exchange risk.