diff --git a/internal/bases/bases.go b/internal/bases/bases.go
new file mode 100644
index 0000000..9a6aa47
--- /dev/null
+++ b/internal/bases/bases.go
@@ -0,0 +1,30 @@
+package bases
+
+import "github.com/multiformats/go-multibase"
+
+func ToBase64Url(data []byte) (string, error) {
+	return ToBase(data, "base64url")
+}
+
+func ToBase58BTC(data []byte) (string, error) {
+	return ToBase(data, "base58btc")
+}
+
+func ToBase32(data []byte) (string, error) {
+	return ToBase(data, "base32")
+}
+
+func ToHex(data []byte) (string, error) {
+	return ToBase(data, "base16")
+}
+
+func ToBase(data []byte, base string) (string, error) {
+	baseEncoder, _ := multibase.EncoderByName(base)
+
+	ret, err := multibase.Encode(baseEncoder.Encoding(), data)
+	if err != nil {
+		return "", err
+	}
+
+	return ret, nil
+}