Non-custodial Bitcoin tools. Everything runs in your browser. No servers hold your keys. Free tools work without an account — just open and use.
Lock your Bitcoin until a future date. Generates real P2WSH addresses with OP_CLTV/OP_CSV. Includes offline claim instructions so you never depend on this website.
Paste any PSBT (base64 or hex) and see exactly what it does: inputs, outputs, script types, signature status. Verify before you sign.
Enter your 24-word seed phrase and unlock date. The transaction is reconstructed automatically and broadcast to the Bitcoin network. No backup files needed.
Create a 2-of-3 multisig vault with your hardware wallets. Self Custody (free) — you hold all 3 keys. Assisted ($350/yr) — we hold 1 key and enforce your spending rules.
All cryptographic operations happen in your browser using bitcoinjs-lib. Your keys are generated locally and never leave your device. Timelock and PSBT tools are completely free — no account needed. Multisig vaults require an account to store your key configuration securely.