diff --git a/core/bind/core_bind.cpp b/core/bind/core_bind.cpp
index 382ab31f6d8..1bf3425d506 100644
--- a/core/bind/core_bind.cpp
+++ b/core/bind/core_bind.cpp
@@ -2432,16 +2432,8 @@ String _Marshalls::variant_to_base64(const Variant &p_var, bool p_full_objects)
 	err = encode_variant(p_var, &w[0], len, p_full_objects);
 	ERR_FAIL_COND_V(err != OK, "");
 
-	int b64len = len / 3 * 4 + 4 + 1;
-	PoolVector<uint8_t> b64buff;
-	b64buff.resize(b64len);
-	PoolVector<uint8_t>::Write w64 = b64buff.write();
-
-	size_t strlen = 0;
-	ERR_FAIL_COND_V(CryptoCore::b64_encode(&w64[0], b64len, &strlen, &w[0], len) != OK, String());
-	//OS::get_singleton()->print("len is %i, vector size is %i\n", b64len, strlen);
-	w64[strlen] = 0;
-	String ret = (char *)&w64[0];
+	String ret = CryptoCore::b64_encode_str(&w[0], len);
+	ERR_FAIL_COND_V(ret == "", ret);
 
 	return ret;
 };
@@ -2467,19 +2459,8 @@ Variant _Marshalls::base64_to_variant(const String &p_str, bool p_allow_objects)
 
 String _Marshalls::raw_to_base64(const PoolVector<uint8_t> &p_arr) {
 
-	int len = p_arr.size();
-	PoolVector<uint8_t>::Read r = p_arr.read();
-
-	int b64len = len / 3 * 4 + 4 + 1;
-	PoolVector<uint8_t> b64buff;
-	b64buff.resize(b64len);
-	PoolVector<uint8_t>::Write w64 = b64buff.write();
-
-	size_t strlen = 0;
-	ERR_FAIL_COND_V(CryptoCore::b64_encode(&w64[0], b64len, &strlen, &r[0], len) != OK, String());
-	w64[strlen] = 0;
-	String ret = (char *)&w64[0];
-
+	String ret = CryptoCore::b64_encode_str(p_arr.read().ptr(), p_arr.size());
+	ERR_FAIL_COND_V(ret == "", ret);
 	return ret;
 };
 
@@ -2504,19 +2485,8 @@ PoolVector<uint8_t> _Marshalls::base64_to_raw(const String &p_str) {
 String _Marshalls::utf8_to_base64(const String &p_str) {
 
 	CharString cstr = p_str.utf8();
-	int len = cstr.length();
-
-	int b64len = len / 3 * 4 + 4 + 1;
-	PoolVector<uint8_t> b64buff;
-	b64buff.resize(b64len);
-	PoolVector<uint8_t>::Write w64 = b64buff.write();
-
-	size_t strlen = 0;
-	ERR_FAIL_COND_V(CryptoCore::b64_encode(&w64[0], b64len, &strlen, (unsigned char *)cstr.get_data(), len) != OK, String());
-
-	w64[strlen] = 0;
-	String ret = (char *)&w64[0];
-
+	String ret = CryptoCore::b64_encode_str((unsigned char *)cstr.get_data(), cstr.length());
+	ERR_FAIL_COND_V(ret == "", ret);
 	return ret;
 };
 
diff --git a/core/math/crypto_core.cpp b/core/math/crypto_core.cpp
index 6449d94db8b..d7ba54e469e 100644
--- a/core/math/crypto_core.cpp
+++ b/core/math/crypto_core.cpp
@@ -120,6 +120,17 @@ Error CryptoCore::AESContext::decrypt_ecb(const uint8_t p_src[16], uint8_t r_dst
 }
 
 // CryptoCore
+String CryptoCore::b64_encode_str(const uint8_t *p_src, int p_src_len) {
+	int b64len = p_src_len / 3 * 4 + 4 + 1;
+	PoolVector<uint8_t> b64buff;
+	b64buff.resize(b64len);
+	PoolVector<uint8_t>::Write w64 = b64buff.write();
+	size_t strlen = 0;
+	int ret = b64_encode(&w64[0], b64len, &strlen, p_src, p_src_len);
+	w64[strlen] = 0;
+	return ret ? String() : (const char *)&w64[0];
+}
+
 Error CryptoCore::b64_encode(uint8_t *r_dst, int p_dst_len, size_t *r_len, const uint8_t *p_src, int p_src_len) {
 	int ret = mbedtls_base64_encode(r_dst, p_dst_len, r_len, p_src, p_src_len);
 	return ret ? FAILED : OK;
diff --git a/core/math/crypto_core.h b/core/math/crypto_core.h
index 1cb3c86e186..e28cb5a7927 100644
--- a/core/math/crypto_core.h
+++ b/core/math/crypto_core.h
@@ -79,6 +79,7 @@ public:
 		Error decrypt_ecb(const uint8_t p_src[16], uint8_t r_dst[16]);
 	};
 
+	static String b64_encode_str(const uint8_t *p_src, int p_src_len);
 	static Error b64_encode(uint8_t *r_dst, int p_dst_len, size_t *r_len, const uint8_t *p_src, int p_src_len);
 	static Error b64_decode(uint8_t *r_dst, int p_dst_len, size_t *r_len, const uint8_t *p_src, int p_src_len);