diff -ur a/egghatch/main.py b/egghatch/main.py
--- a/egghatch/main.py	2018-03-29 20:44:29.000000000 +0300
+++ b/egghatch/main.py	2020-03-02 08:32:22.766426957 +0300
@@ -9,10 +9,10 @@
 
 def main():
     if len(sys.argv) != 2:
-        print "Usage: python %s <sc.bin>" % sys.argv[0]
+        print("Usage: python %s <sc.bin>" % sys.argv[0])
         exit(1)
 
-    print Shellcode(open(sys.argv[1], "rb").read()).to_json()
+    print(Shellcode(open(sys.argv[1], "rb").read()).to_json())
 
 def parse(payload):
     return Shellcode(payload).to_dict()
diff -ur a/egghatch/misc.py b/egghatch/misc.py
--- a/egghatch/misc.py	2018-03-29 20:44:29.000000000 +0300
+++ b/egghatch/misc.py	2020-03-02 08:32:54.685192618 +0300
@@ -2,6 +2,9 @@
 # This file is part of Cuckoo Sandbox - https://cuckoosandbox.org/.
 # See the file 'docs/LICENSE' for copying permission.
 
+from builtins import int
+from past.builtins import basestring
+
 def str_as_db(s):
     r1 = []
     for ch in s:
@@ -14,7 +17,8 @@
 
     r2, idx = [], 0
     while idx < len(r1):
-        if isinstance(r1[idx], (int, long)):
+        print(type(r1[idx]),isinstance(r1[idx], str))
+        if isinstance(r1[idx], int):
             r2.append("%s" % r1[idx])
             idx += 1
             continue
diff -ur a/egghatch/shellcode.py b/egghatch/shellcode.py
--- a/egghatch/shellcode.py	2018-04-01 16:05:45.000000000 +0300
+++ b/egghatch/shellcode.py	2020-03-02 08:34:49.022168624 +0300
@@ -5,6 +5,8 @@
 import json
 
 from egghatch.block import Block
+from builtins import range
+import base64
 
 class Shellcode(object):
     def __init__(self, payload):
@@ -36,7 +38,15 @@
         ret["bbl"] = sorted(self.bbl.items())
         ret["text"] = sorted(self.insns)
         for idx, data in sorted(self.data.items()):
-            ret["data"].append((idx, data.decode("latin1")))
+            if isinstance(data, str):
+                # Python2
+                ret["data"].append((idx, "".join(data.decode("utf-8"))))
+            elif isinstance(data, bytes):
+                # Python3
+                ret["data"].append((idx, "".join([chr(x) for x in data])))
+            else:
+                print("Warning, wrong type received in data : %s" % type(data))
+                ret = ""
         return ret
 
     def to_json(self):
@@ -135,7 +145,7 @@
                 continue
 
             op = insn2.operands
-            for _ in xrange(64):
+            for _ in range(64):
                 if insn2.addr + insn2.size not in insns:
                     break
 
@@ -156,7 +166,7 @@
         parsed[len(self.payload)] = len(self.payload)
 
         chunks = sorted(parsed.items())
-        for idx in xrange(1, len(chunks)):
+        for idx in range(1, len(chunks)):
             _, start = chunks[idx-1]
             end, _ = chunks[idx]
             if start != end and start < end:
diff -ur a/setup.py b/setup.py
--- a/setup.py	2018-06-21 21:46:46.000000000 +0300
+++ b/setup.py	2020-03-02 08:35:44.661253884 +0300
@@ -22,13 +22,13 @@
         "Natural Language :: English",
         "License :: OSI Approved :: GNU General Public License v3 (GPLv3)",
         "Operating System :: POSIX :: Linux",
-        "Programming Language :: Python :: 2.7",
+        "Programming Language :: Python :: 2.7, 3.6",
         "Topic :: Security",
     ],
     url="https://cuckoosandbox.org/",
     license="GPLv3",
     description="Cuckoo Sandbox Shellcode Identification & Formatting",
-    long_description=open("README.rst", "rb").read(),
+    long_description=open("README.rst", "r").read(),
     include_package_data=True,
     entry_points={
         "console_scripts": [
@@ -36,6 +36,7 @@
         ],
     },
     install_requires=[
+        "future",
     ],
     extras_require={
         ":sys_platform == 'win32'": [