Gas fee estimators, DeFi yield calculators, wallet analyzers, token converters — all free, all instant, no signup needed.
Every tool is browser-based, private, and completely free — no extensions, no wallet, no account.
Estimate Ethereum, BNB, Polygon & L2 transaction costs in real-time.
Calculate APY, compound returns, and impermanent loss for any DeFi position.
Convert between ETH, Gwei, Wei, USDC, and 50+ token units instantly.
Check any public wallet's ETH, token balances and transaction count.
See exactly how much IL you'd suffer on any Uniswap V2/V3 liquidity position.
Paste trait data to calculate rarity scores and rank your NFT collection.
Generate keccak256, SHA256, and MD5 hashes for any string or address.
Calculate profit, loss, ROI, and break-even on any crypto trade.
Project staking returns for ETH 2.0, SOL, ADA, DOT and more networks.
Validate Ethereum, BTC, and Solana addresses before you send anything.
Stop overpaying on transaction fees. Our gas estimator supports Ethereum mainnet, all major L2s, BNB Chain, Polygon, and Avalanche — updated with real benchmark rates.
A complete beginner guide to Ethereum gas, EIP-1559 base fees, and priority tips.
Learn how compounding works in DeFi and why APY can be misleading without context.
What is impermanent loss, when does it happen, and how do you calculate it?