diff --git a/src/Neo.CLI/CLI/MainService.Tools.cs b/src/Neo.CLI/CLI/MainService.Tools.cs
index c000b48655..b83923200b 100644
--- a/src/Neo.CLI/CLI/MainService.Tools.cs
+++ b/src/Neo.CLI/CLI/MainService.Tools.cs
@@ -70,6 +70,17 @@ private void OnParseCommand(string value)
             }
         }
 
+        /// <summary>
+        /// Read .nef file from path and print its content in base64
+        /// </summary>
+        [ParseFunction(".nef file path to content base64")]
+        private string? NefPathToContentBase64(string path)
+        {
+            if (Path.GetExtension(path).ToLower() != ".nef") return null;
+            if (!File.Exists(path)) return null;
+            return Convert.ToBase64String(File.ReadAllBytes(path));
+        }
+
         /// <summary>
         /// Little-endian to Big-endian
         /// input:  ce616f7f74617e0fc4b805583af2602a238df63f