diff --git a/renamer.pl b/renamer.pl
deleted file mode 100755
index facfd06..0000000
--- a/renamer.pl
+++ /dev/null
@@ -1,41 +0,0 @@
-#!/usr/bin/perl
-# vi: set tabstop=4 shiftwidth=4 expandtab : #
-# version: 2.20200726
-use strict;
-use warnings;
-
-my @files = <*>;
-my %new_files;
-
-foreach my $file (@files) {
-    if ($file =~ m#\.(jpe?g|png|gif)$#) {
-        my ($file_mtime) = (stat($file))[9];
-        
-        my $new_file = "$file_mtime";
-        my $suffix = 1;
-        while (exists $new_files{$new_file}) {
-            $new_file = "$file_mtime-$suffix";
-            $suffix = $suffix + 1;
-        }
-        $new_files{$new_file} = $file;
-    } 
-}
-
-my @sorted_keys = sort(keys(%new_files));
-my $cc = 0;
-foreach my $key (@sorted_keys) {
-    my $file = $new_files{$key};
-    $file =~ m#\.(.+)$#;
-    my $ext = $1;
-    my $new_file = "$key.$ext";
-
-    if (not ($new_file eq $file)) {
-        print "$file  ->  $new_file\n";
-        rename($file, $new_file) || die "Can't rename file '$file'! Cause: $!";
-        $cc = $cc + 1;
-    }
-}
-
-print "-------------------\n";
-print "rename $cc files\n";
-
diff --git a/renamer.py b/renamer.py
new file mode 100755
index 0000000..421c9e2
--- /dev/null
+++ b/renamer.py
@@ -0,0 +1,34 @@
+#!/usr/bin/python3
+# vi: set tabstop=4 shiftwidth=4 expandtab : #
+# version: 3.20220218
+
+import re
+import os
+
+pattern = re.compile('^\d{10}$')
+unique_names = set()
+list_files = sorted(os.listdir(path = '.'))
+
+for filename in list_files:
+    if not os.path.isfile(filename):
+        continue
+
+    (original_name, ext) = os.path.splitext(filename)
+    if not (ext in ['.jpg', '.jpeg', '.jfif', '.png', '.gif', '.webp', '.mp4', '.MP4', '.webm']):
+        continue
+
+    if pattern.match(original_name) != None:
+        unique_names.add(original_name)
+        continue
+
+    file_mtime = int(os.stat(filename).st_mtime)
+    new_name = file_mtime
+    suffix = 1
+    while new_name in unique_names:
+        new_name = '%s-%d' % (file_mtime, suffix)
+        suffix = suffix + 1
+    unique_names.add(new_name)
+    full_new_name = '%s%s' % (new_name, ext)
+    print('%s -> %s' % (filename, full_new_name))
+    os.rename(filename, full_new_name)
+