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

Interactive Hardhat console with JSON-RPC execution, contract debugging, and chunked log scanning for local development.

Display image dimensions, alt text, and aspect ratio overlays with accessibility warnings for missing alt and unusual ratios.

Preview how your page appears on social media with Open Graph tag extraction, validation, and live preview.

Track page load performance with DOM ready, load time, DNS, TCP, request, response, and resource metrics in a floating overlay.

Inspect CSS media queries with active status, conditions, rule counts, viewport preview, and custom viewport testing.

Queue new transactions in your multisig wallet for approval by other signers with full preview and validation.

Debug Ethereum transactions with call traces, stack traces, and revert reasons via debug_traceTransaction.

Generate configuration for custom explorer instances based on contract verification data and deployment settings.

Update self-attested on-chain reputation scores with configurable values, categories, and attestation data.

Tracks Approval, Transfer, and ownership events on any contract to trace multi-reviewer approval history.

Scan on-chain events across block ranges with automatic chunking, detect trigger conditions, and emit cross-chain trigger actions.

Detects text overflow issues for translated content with visual highlighting and export.

Intercept and pretty-print API responses. Tree view, syntax highlighting, copy to clipboard, headers, status.

Simulates bundles of up to 3 Ethereum transactions via eth_call, showing gas, return values, and cumulative costs before broadcast.

Deploy linear vesting contracts with factory support, approval handling, and parameter validation for EVM chains.

Extract and display all page headings in a hierarchical outline with counts, level analysis, and click-to-highlight navigation.

View all meta tags with SEO, Open Graph, and Twitter Card analysis, critical tag detection, and missing tag warnings.

Batch send tokens on any Arbitrum Orbit L3 chain using a compatible multisender contract (custom gas token support).

Analyze calldata size and gas costs to identify optimization opportunities for reducing transaction costs in smart contracts.

Execute approved multisig transactions that have reached threshold confirmations with preview and validation.

Simulate building a custom EVM blockchain. Configure chain name, ID, currency, consensus (PoA/PoS/PoW), and block time.

Analyze EVM contract bytecode: size, function selectors, and detect suspicious patterns like selfdestruct and delegatecall.

ERC-20 permit-based gasless approval checker. Reads nonces, allowance, and domain separator state.