diff --git a/include/libeosio/WIF.hpp b/include/libeosio/WIF.hpp
index 9632a90..91701b5 100644
--- a/include/libeosio/WIF.hpp
+++ b/include/libeosio/WIF.hpp
@@ -34,6 +34,11 @@ namespace libeosio {
  */
 std::string wif_priv_encode(const ec_privkey_t& priv);
 
+/**
+ * Decode an WIF String to EC private key
+ */
+bool wif_priv_decode(ec_privkey_t& priv, const std::string& data);
+
 /**
  * Encode an EC public key to WIF String.
  */
diff --git a/src/WIF.cpp b/src/WIF.cpp
index 3f2f94d..af38871 100644
--- a/src/WIF.cpp
+++ b/src/WIF.cpp
@@ -46,6 +46,33 @@ std::string wif_priv_encode(const ec_privkey_t& priv) {
 	return base58_encode(buf, buf + sizeof(buf));
 }
 
+bool wif_priv_decode(ec_privkey_t& priv, const std::string& data) {
+
+	std::vector<unsigned char> buf;
+
+	if (!base58_decode(data, buf)) {
+		return false;
+	}
+
+	if (buf.size() != 1 + EC_PRIVKEY_SIZE + CHECKSUM_SIZE) {
+		return false;
+	}
+
+	// First byte is the prefix
+	if (buf[0] != PRIV_KEY_PREFIX) {
+		return false;
+	}
+
+	// Calculate and validate checksum
+	if (!checksum_validate<checksum_sha256d>(buf.data(), buf.size())) {
+		return false;
+	}
+
+	// Copy data to output
+	memcpy(priv.data(), buf.data() + 1, priv.size());
+	return true;
+}
+
 std::string wif_pub_encode(const ec_pubkey_t& pub, const std::string& prefix) {
 
 	checksum_t check = checksum_ripemd160(pub.data(), pub.size());
diff --git a/tests/CMakeLists.txt b/tests/CMakeLists.txt
index efeffd0..c07706c 100644
--- a/tests/CMakeLists.txt
+++ b/tests/CMakeLists.txt
@@ -9,6 +9,7 @@ set(TEST_SRC
 
 	# WIF
 	WIF/priv_encode.cpp
+	WIF/priv_decode.cpp
 )
 
 add_executable(doctest ${TEST_SRC})
diff --git a/tests/WIF/priv_decode.cpp b/tests/WIF/priv_decode.cpp
new file mode 100644
index 0000000..7c726df
--- /dev/null
+++ b/tests/WIF/priv_decode.cpp
@@ -0,0 +1,31 @@
+#include <libeosio/WIF.hpp>
+#include <libeosio/ec.hpp>
+#include <iostream>
+#include <vector>
+#include <doctest.h>
+
+struct wip_decode_testcase {
+	std::string name;
+	std::string key;
+	libeosio::ec_privkey_t expected;
+};
+
+TEST_CASE("WIF::wif_priv_decode") {
+	std::vector<struct wip_decode_testcase> tests {
+		{ "one", "5HueCGU8rMjxEXxiPuD5BDku4MkFqeZyd4dZ1jvhTVqvbTLvyTJ",   { 0x0C, 0x28, 0xFC, 0xA3, 0x86, 0xC7, 0xA2, 0x27, 0x60, 0x0B, 0x2F, 0xE5, 0x0B, 0x7C, 0xAE, 0x11, 0xEC, 0x86, 0xD3, 0xBF, 0x1F, 0xBE, 0x47, 0x1B, 0xE8, 0x98, 0x27, 0xE1, 0x9D, 0x72, 0xAA, 0x1D } },
+		{ "two", "5K2hm8apqz281ANDQdtVzifpxcXFTqG5E7Fc6Q5V2ssqPRQ3urJ",   { 0x9F, 0xE3, 0xE3, 0x2B, 0x3C, 0x4B, 0x6B, 0x91, 0x6E, 0x20, 0x6C, 0xB0, 0x91, 0xDF, 0x1F, 0x5E, 0x34, 0x32, 0x88, 0x0B, 0x41, 0x33, 0x86, 0xBD, 0xF2, 0x92, 0xFF, 0x23, 0x06, 0x43, 0xF2, 0x8C } },
+		{ "three", "5JVanYq9HPvuKgr2FjATYB9NvTsJ4a3CAj5oPYKbr1Ja5MRLsZX", { 0x59, 0x3A, 0x51, 0xB5, 0x5D, 0x56, 0xAA, 0xF0, 0x5B, 0xD9, 0xD1, 0x0E, 0x6B, 0x88, 0x6D, 0xF9, 0xC4, 0x37, 0x09, 0xB2, 0x4C, 0xEC, 0xBB, 0x63, 0x68, 0x92, 0xC2, 0x94, 0x31, 0x48, 0x71, 0x8C } }
+	};
+
+	for(auto it = tests.begin(); it != tests.end(); it++) {
+
+		SUBCASE(it->name.c_str()) {
+
+			libeosio::ec_privkey_t result;
+
+			CHECK( libeosio::wif_priv_decode(result, it->key) );
+			CHECK( result == it->expected );
+		}
+	}
+
+}
\ No newline at end of file