Signature Decoder
Free
Paste wallet signature request data and get a plain-English explanation of what you're being asked to approve.
What this helps with
Translates wallet prompts into understandable language — what permissions are requested, what could happen, and whether to proceed.
What this does NOT do
Execute or intercept real transactions, guarantee completeness for all contract types, or replace professional smart contract audits.
Try an example:
Understand before you sign
When your wallet asks you to approve or sign something, paste the details here first. We'll explain what's being requested in plain English.