Tools for Bitcoiners
Free, no-signup tools to help you make smarter Bitcoin decisions. Built for Bitcoiners, by Bitcoiners.
Bitcoin Calculator
NewConvert between BTC, satoshis, mBTC, USD, and EUR instantly with live exchange rates. Copy and share conversions.
Loan Calculator
NewCalculate Bitcoin-backed loan payments, total interest, and view full amortization schedules. Compare APR scenarios.
Card Rewards Quiz
NewAnswer 6 questions about your spending habits and get matched with the best credit card. Bitcoin rewards, cash back, or travel.
Fee Calculator
NewEstimate Bitcoin transaction fees with live mempool data. See costs as a percentage of your transaction and confirmation times.
DCA Calculator
See what dollar-cost averaging into Bitcoin would have returned over any historical period since 2010.
Savings Calculator
Compare saving in Bitcoin vs a traditional bank account. See the difference that sound money could make over 1-10 years.
Fee Estimator
Check current Bitcoin transaction fees in real-time. Estimate costs for your transaction size across priority levels.
Unit Converter
Convert between BTC, satoshis, mBTC, USD, and EUR instantly with live exchange rates.
Wallet Comparison
Compare Bitcoin hardware wallets side by side. Filter by features, price, and security level.
Fear & Greed Index
Track Bitcoin market sentiment in real time. Extreme fear = potential buy signal. Extreme greed = be cautious.
Halving Countdown
LiveLive countdown to the next Bitcoin halving in 2028. Track blocks remaining, estimated date, and historical halving data.
Network Stats
LiveLive Bitcoin network dashboard. Hashrate, difficulty, mempool size, and fee rates updated every minute.
Address Checker
Look up the balance and transaction history of any Bitcoin address. See total received, sent, and recent transactions.
Supply Tracker
Visualize Bitcoin's fixed 21 million supply cap. See how many coins exist, how many are lost, and the issuance schedule.