Free tool
Why did this
transaction fail?
Paste a hash. Get what happened, why, and a sentence you can send the customer. No block explorer, no jargon, no account.
Free, no account. Reads public chain data across seven EVM networks.
Read-only
It reads public chain data. It never asks for a wallet signature or a key.
Plain English
The decoded reason, translated, plus the next step, not a raw trace.
Send-ready
A message written for a customer, ready to paste into the ticket.