Capture and inspect HTTP headers. Response/request headers, security summary, copy to clipboard.

Cancel pending multisig transactions that haven't been executed yet, with full preview and status validation.

Generate RPC method support matrices comparing providers. Visualize which methods each provider supports.

Simulates up to 3 transactions on a forked chain state, with custom block number and state overrides, without broadcasting.

Convert Unix timestamps (seconds or milliseconds) to human-readable dates with UTC and local timezone support.

Consensus contract state, validator set, epochs, rounds, finalized blocks, committees, proposals, votes, parameters, chain config.

Parse and decode EVM transaction logs, event signatures, and contract ABIs with automatic chunked fetching and backoff.

Verify FRI (Fast Reed-Solomon IOP) commitments using Merkle tree decommitment paths and polynomial evaluations.

Operate and manage EVM relayer contracts: add/remove relayers, pause, withdraw, and update fees.

Batch-pay vendors on Base in one transaction. Supports ERC-20, NFTs, and native ETH with live fee and owner display.

Batch-pay content creators on Arbitrum One in one transaction. Supports ERC-20, NFTs, and native ETH with live fee display.

Batch-pay content creators on Zora in one transaction. Supports ERC-20, NFTs, and native ETH with live fee and owner display.

Counts how often each word appears in a block of text, ranked from most to least frequent.

Test and debug EIP-1193 providers with JSON-RPC request/response logging and method explorer.

Deploy EVM forwarder contracts with bytecode, constructor params, gas estimation, and on-chain verification.

Generate and deploy ERC721 NFT contracts with configurable name, symbol, base URI, max supply, and features.

Install or uninstall modules in smart accounts with granular permissions and configuration data.

Simulates validator exit queue processing using registry data and churn parameters.

Batch-distribute employee bonuses on Arbitrum One. Supports ERC-20, NFTs, and native ETH with live fee and owner display.

Monitor EIP-4844 blob gas prices, blob transaction counts, and versioned hashes across recent blocks.

Simulates verification of Merkle proofs against EVM block state roots. Read-only developer tool for light client proof validation.

Track testnet faucet request cooldowns by recording request timestamps and monitoring remaining wait times per address.

Generate deterministic CREATE2 salts: input deployer, bytecode, pattern, and generate unique salt values.

Aggregate and inspect rollup transaction batches, sequencer submissions, and L2 block data. Read-only rollup explorer.