Free Tools

Blockchain Developer Tools

Free calculators, analyzers, and utilities to help you build, deploy, and manage blockchain applications more effectively.

Real-time gas prices across all supported networks. Auto-refresh every 15 seconds.

Calculate gas costs across multiple chains. Compare prices and find the best time to transact.

Calculate potential returns on your crypto investments with different scenarios and timeframes.

Calculate impermanent loss for liquidity positions. Understand the risks before providing liquidity.

Parse contract ABIs and extract function selectors, event topics, and error signatures.

Analyze wallet holdings, transaction history, and portfolio performance across chains.

Estimate MEV exposure and get recommendations to protect your swaps from frontrunning.

Upload and analyze smart contracts for security vulnerabilities and gas optimization.

Debug and trace transactions. Understand exactly what happened in any transaction.

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