What Did I Just Sign?

Decode a transaction

Paste an Ethereum transaction hash. We’ll explain what it does, flag risky permissions, and show what to do next.

No keysNo signingPublic data only

Looks like: 0x + 64 hex characters.

Where do I get this?

Copy the transaction hash from your wallet activity or a block explorer (like Etherscan). It usually looks like a long string starting with 0x.

We don’t store your input. We only read public chain data.