₿ Bitcoin PSBT Builder

Build, sign & broadcast multi-wallet transactions

Network:

1. Create PSBT

Add inputs from each wallet by fetching UTXOs, set the outputs and fee, then download the unsigned PSBT file. Remove individual UTXOs from the list if you don't want to spend the entire wallet.

Inputs (UTXOs)

Outputs

Add change output

Fee Rate (sat/vB)

Change Address (must match network)

2. Upload Signed PSBTs

Have each wallet holder sign the PSBT independently, then upload all signed copies here to combine and finalize.

3. Broadcast Transaction

Download the final PSBT for your records or broadcast the signed transaction to the Bitcoin network.

⚠️ No Warranty · Use at Your Own Risk
This Bitcoin PSBT Builder is provided as-is, without warranty of any kind. The author is not responsible for any loss of funds from transactions created with this tool. Always verify addresses, amounts, and fees before signing and broadcasting.