TX Builder
Raw TX decoder, TXID lookup, broadcast signed transactions to the network.
Key Features
- Raw TX decoder — Paste any raw transaction hex to view version, inputs, outputs, witness data, locktime, and virtual size.
- TXID lookup — Search by TXID to view confirmation status, fee rate, block height, and full decoded structure.
- Broadcast — Submit a signed raw transaction directly to the Bitcoin network via the mempool.space broadcast API.
- Fee estimation — View current mempool fee-rate buckets to choose the right priority before broadcasting.
- Hex editor — Manually edit raw transaction bytes with live validation and automatic field highlighting.