Free Bitcoin & Lightning Tools

Check addresses, test Lightning Addresses and NWC connections, decode invoices and convert sats. Free, no sign-up.

Bitcoin addresses

Bitcoin Address Checker Validate any Bitcoin address: type, checksum, testnet, and addresses from other chains pasted by mistake. Unconfirmed Transaction Checker Is a transaction stuck? See whether it's confirmed, how far back in the queue it is, and the fee to bump it with RBF or CPFP. Bitcoin Fees Now What sending bitcoin costs right now, in sat/vB, sats and your own currency, with a fee calculator.

Lightning

Lightning Address Tester Check whether a Lightning Address (user@domain) can really receive: LNURL response, CORS and a live test invoice. Lightning Invoice Decoder Decode a BOLT11 invoice: amount, expiry, payment hash, and the destination node with its alias. NWC Tester Test a Nostr Wallet Connect connection in your browser: get_info, balance, invoices and payments.

Converters

Sats to USD Converter Convert satoshis to US dollars and back at the live rate, with a table of common amounts. BTC to Sats Converter Convert bitcoin to satoshis: 1 BTC = 100,000,000 sats. Sats to BTC Converter Convert satoshis to bitcoin, with the live value in US dollars.

Sats converters for 45 currencies

Rizful is your free homebase for Bitcoin Lightning: your own Lightning Address, NWC connections for your apps and OpenReceive for your website. No app to install, no node to run. Get started free →