Web3 Tools & Calculators
Free, open-source tools for DeFi users, developers, and crypto enthusiasts. No signup required.
Bridge Cost Comparator
Compare costs and fees across official and third-party crypto bridges. Find the cheapest route to transfer tokens between chains.
MEV Protection Calculator
Protect your DeFi trades from sandwich attacks and MEV bots. Calculate risk exposure and compare protection services like Flashbots, CoW Swap, and Eden Network.
Wallet Security Checker
Analyze your crypto wallet security posture. Identify vulnerabilities and get personalized recommendations.
Impermanent Loss Calculator
Calculate potential impermanent loss for Uniswap V2/V3 liquidity pools. Estimate fees and net ROI.
Crypto Tax Calculator
Calculate capital gains, losses, and tax liability. Compare FIFO, LIFO, and HIFO methods. IRS Form 8949 ready.
DCA Calculator
Calculate Dollar Cost Averaging returns and compare with lump sum investing. Plan your investment schedule.
Staking Rewards Calculator
Calculate staking rewards for ETH, SOL, MATIC, and other PoS tokens. Compare protocols and compound interest.
Gas Fee Calculator
Calculate and compare gas fees across Ethereum, Polygon, Arbitrum, Optimism, and Base.
APY/APR Calculator
Calculate and compare Annual Percentage Yield vs Rate. See the power of compound interest in DeFi.
ENS Name Checker
Check Ethereum Name Service (ENS) domain availability and resolve .eth names to addresses.
Token Price Calculator
Get real-time token prices across multiple chains. Search by symbol or contract address.
Solana Token Creator
Create SPL tokens on Solana blockchain. Educational demo for learning token creation.
Smart Contract Analyzer
Analyze Solidity smart contracts for security vulnerabilities, gas optimizations, and best practices.
NFT Rarity Calculator
Calculate NFT rarity scores using multiple methods. Analyze traits, rank collections, and estimate values.
Airdrop Eligibility Checker
Check your wallet for potential airdrops from DeFi protocols, Layer 2s, and Web3 projects. Free instant analysis.
Portfolio Tracker
Track your crypto holdings with real-time prices. Monitor performance, calculate profits/losses, and analyze your portfolio.
Trading P&L Calculator
Calculate crypto trading profits/losses with exchange fees. Track performance metrics, win rate, and export for taxes.
DeFi Options Calculator
Professional options pricing with Black-Scholes model. Calculate Greeks (Delta, Gamma, Theta, Vega, Rho) and analyze call/put strategies for Lyra, Dopex, Hegic, and Premia.
Diamond Hands Calculator
Calculate HODL returns vs active trading. Compare strategies, opportunity costs, and psychological selling pressure. Includes famous diamond hands historical scenarios from Bitcoin, Ethereum, and more.
Portfolio Rebalancing Calculator
Optimize crypto asset allocation with target allocation calculator, threshold-based triggers, tax-loss harvesting, and gas cost analysis. Find ideal rebalancing frequency for your portfolio size.
Token Swap Aggregator
Compare swap rates across 1inch, Paraswap, CowSwap, and other DEX aggregators. Find the best prices, lowest gas fees, and optimal routing for your crypto swaps.
Lending & Borrowing Calculator
Calculate liquidation prices, health factors, and borrowing costs across Aave, Compound, MakerDAO. Compare protocols and optimize DeFi lending positions.
Yield Farming Optimizer
Compare yields across 50+ DeFi protocols. Auto-compound calculator, risk assessment, and strategy recommendations for Uniswap, Curve, Convex, Aura, Beefy, and more.
Multi-Sig Wallet Calculator
Calculate deployment and transaction costs for Gnosis Safe multi-signature wallets. Compare gas fees across Ethereum, Arbitrum, Polygon, and other networks. Analyze security thresholds and optimize DAO treasury operations.
Liquidity Mining ROI Simulator
Advanced Uniswap V3 calculator for concentrated liquidity. Simulate fee earnings, impermanent loss, rebalancing strategies. Compare fee tiers (0.01%, 0.05%, 0.3%, 1%), optimize price ranges, and analyze professional LP strategies.
GameFi ROI Calculator
Calculate Play-to-Earn returns for Axie Infinity, StepN, Illuvium, and other GameFi projects. Analyze time investment, NFT breeding costs, token rewards, scholarship splits, and break-even scenarios.
Node Profitability Calculator
Calculate validator node profitability for Ethereum, Solana, Cosmos, Polkadot, Avalanche, and Polygon. Analyze hardware costs, operating expenses, staking rewards, slashing risks, uptime penalties, and compare running your own node vs liquid staking (Lido, Rocket Pool).
Why Use Our Tools?
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No data tracking. All calculations happen in your browser or on-chain.