60 tools · free · no account needed
Free crypto tools
Markets, Bitcoin, Ethereum and every major EVM chain, calculators, forensics and security checks, built on verified chain data. Nothing to install and nothing to connect.
Markets
Live prices, conversion, sentiment and the day’s movers.
Crypto pricesLive prices, market caps, volume and 7-day charts for the top 500 coins.Crypto converterConvert between 500 coins and 50 fiat currencies at live rates.Top gainers and losersThe biggest 24-hour moves among coins with real trading volume.Trending coinsThe coins people are searching for right now.Compare coinsAny two coins side by side: performance, market cap, supply and distance from their highs.Crypto categoriesEvery sector (layer 1s, DeFi, AI, memes, stablecoins) by market cap and today’s move.Market heatmapThe whole market at a glance, sized by market cap and coloured by today’s move.Fear & Greed IndexCrypto market sentiment today and over the last two months.Stablecoin peg monitorNewEvery major stablecoin against its peg, from the market price and Chainlink feeds.Market signalsNewCoins rising faster than usual, on surging volume or new in the top 500, with the numbers and risk flags behind each.Whale watchNewLarge transfers on Bitcoin and six EVM chains as their blocks come in, with known exchanges and services named from public sources.
Bitcoin
Fees, the mempool, stuck transactions, decoders and network stats.
Bitcoin transaction acceleratorStuck transaction? See exactly why, what fee fixes it by RBF or CPFP, and rebroadcast it free.Bitcoin fee estimatorWhat to pay right now for the next block, 30 minutes or an hour: in sat/vB and dollars.Bitcoin network dashboardBlock height, the halving countdown, difficulty, hashrate, mining pools and the Lightning Network.Transaction and PSBT decoderCheck a PSBT before you sign it: where the money goes, the fee, change and risky flags. Runs in your browser.Lightning invoice decoderRead any BOLT 11 invoice: amount, description, expiry, payee and route hints, and whether it has expired.Crypto address validatorCheck a Bitcoin, Litecoin, Dogecoin, Tron or EVM address for typos before you send.Satoshi converterSats, bits, mBTC, BTC and 50 currencies: convert both ways at the live price.Verify a signed messageProve who controls a Bitcoin address: checks classic and BIP-322 signatures, in your browser.xpub address explorerSee the addresses behind an xpub, ypub or zpub, or a multisig descriptor. Derived in your browser: no key leaves your device.UTXO consolidation plannerNewWhen to merge small coins into one: what it costs at a quiet-day fee rate and what it saves when fees are high.Bitcoin privacy checkupNewWhat anyone reading the chain can link to you: reused addresses, coins spent together, your change and exchange transfers.Bitcoin mining calculatorDaily revenue, power cost and profit for any miner at today’s difficulty and price.
Ethereum & EVM
Gas on every major chain, units, names and transactions.
Gas trackerLive gas prices and real transaction costs on Ethereum, Base, Arbitrum, OP, Polygon and BNB Chain.Transaction lookupStatus, fee, decoded method and token transfers for any EVM transaction: the chain is found for you.ENS lookupResolve an ENS name to its address and records, or find the verified primary name behind an address.Ethereum unit converterWei, gwei and ether (and any token’s decimals) converted exactly, with no rounding.
Calculators
Profit, DCA, historical returns and trading maths.
Crypto profit calculatorProfit or loss on a trade after fees on both sides, and the price you need to break even.DCA calculatorBacktest buying a fixed amount every week or month against real daily prices, and compare with a lump sum.DCA plannerNewProject a recurring buy forward: what a weekly or monthly amount could grow to at a growth rate you choose.If I had investedWhat an investment on any past date would be worth today, with its growth chart and yearly return.Historical price lookupA coin’s closing price on any day we have, and how it moved in the weeks around it.Average cost calculatorYour average buy price across several purchases, and how much to buy to move it.Crypto tax estimatorNewRealised gains from your trades under FIFO, LIFO or average cost, per sale and per tax year. Runs in your browser.Position size calculatorHow big to trade so a stop-loss costs exactly the share of your account you choose, with R-multiples.Liquidation price calculatorWhere a leveraged long or short gets liquidated on an isolated-margin perpetual.Staking rewards calculatorProject staking or yield rewards with compounding, commission and monthly top-ups; convert APR and APY.Impermanent loss calculatorNewWhat a liquidity pool position loses against holding when prices move, for full-range and concentrated pools, with fees.Market cap calculatorWhat one coin’s price would be at another coin’s market cap, or at any market cap you choose.Percentage calculatorPercentage change, percent of, share of, and the gain you need to recover from a loss.
Intelligence
Who sent what to whom: address forensics, sanctions and risk.
Address checker & forensicsWho sent to and received from any Bitcoin or EVM address: counterparties, a flow-of-funds graph, labels and a risk score.Sanctions screeningCheck any crypto address against the US Treasury OFAC SDN list: free and instant.Transaction lookupDecode a Bitcoin or EVM transaction: inputs, outputs, token transfers, labels and risk.Bulk address screeningPlusUpload thousands of addresses and get sanctions and exposure results back as a table, CSV or API response.
Security
Check a transaction before you sign it and a contract before you trust it.
Safe transaction checkerDecode pending Safe transactions and verify the hash before anyone signs.Contract admin inspectorSee who can upgrade, pause or take over a contract, read live from the chain.Token risk checkerNewHoneypot, rug-pull and owner-power signals for any ERC-20 or BEP-20 token, with the evidence.Token approvals checkerNewSee which contracts can still spend your ERC-20 tokens, which to worry about, and how to revoke them yourself.Wallet health checkNewCheck a wallet on every EVM chain Wardcrest covers for EIP-7702 delegations, live approvals, lookalike senders and flagged contacts.Signature verifierSee who signed a message or EIP-712 typed data: checked entirely in your browser.Address poisoning checkerNewSpot lookalike addresses planted in your history before you copy the wrong one.Signature request decoderNewPaste a signature request or transaction to see in plain words what it lets someone do with your tokens.Crypto link checkerNewPaste a link to see whether it copies a crypto brand, how new its domain is and whether the page carries wallet-drainer code.
Business
Payment requests in your currency, paid straight to your own wallet.
Developers
The API, price widgets for your own site and the Discord bot.
API referencePrices, conversion, fees, screening and monitoring over REST, with code in curl, JavaScript and Python.Price ticker widgetA strip of live prices for the coins you pick, on your own site.Converter widgetAny coin to any currency, on your own page.Coin card widgetOne coin’s price, 24-hour change and 7-day chart, on your own site.Discord botNewSlash commands for prices, conversion, fees, gas and free Wardcrest tools in any server.Telegram botNewPrices, conversion, fees, gas and movers in any chat; your watchlist and alerts in a private one.
Want these running around the clock? Create a free account for price and fee alerts, a portfolio, saved investigations and monitors that watch your wallets and contracts on every block.