Decipher on-chain contracts with ease.
Instantly analyze any Ethereum smart contract for vulnerabilities, hidden risks, and core functions — empowering you to build and invest with confidence.
Detect common vulnerabilities, permission risks, and proxy patterns in seconds.
Readable Function Map
See all public/external functions, their selectors, and payable status — at a glance.
Instant Results
No wait, no sign-up. Paste an address and see decoded contract data immediately.
Actionable Data
Get insights you can use: function signatures, proxy detection, and known risks.
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Paste any Ethereum contract address — mainnet or testnet.
2
SigilScan fetches the contract bytecode and deciphers its function selectors, checks for proxy patterns, and highlights potential risks.
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Instantly see a readable function table, vulnerability flags, and actionable insights — all in one place.
Scan a Smart Contract
Enter any Ethereum contract address to instantly reveal its function selectors, proxy status, and security highlights. All analysis runs client-side — no sign-up, no wallet needed.