WIF decoder
Decode a Bitcoin WIF private key (compressed K/L or uncompressed 5) into raw 32-byte hex, locally.
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WIF is the Wallet Import Format used by Bitcoin Core and most BTC wallets. It Base58Check-encodes a 32-byte private key with a version byte and optional compression flag.
This tool decodes a WIF locally so you can verify the underlying key. Never paste a WIF you actually use into any web tool you don't fully trust.