diff --git a/tools/updateLang.pl b/tools/updateLang.pl
new file mode 100644
index 0000000..66caca0
--- /dev/null
+++ b/tools/updateLang.pl
@@ -0,0 +1,96 @@
+#!/usr/bin/perl
+
+# Program :  COPS localization string generator 
+# Version :  0.0.1
+#
+# Author  :  Sébastien Lucas
+# License :  GPLv2
+#
+
+use strict;
+
+my @strings = ();
+my %values;
+my %allstrings;
+
+# Load php files looking for strings to localize
+
+opendir (my($dirhandle), "../") or die ("Directory not found\n");
+for (readdir ($dirhandle)) {
+    next if (-d $_ ); # skip directories
+    next if (/^[.]/); # skip dot-files
+    next if not (/(.+)[.]php$/);
+    
+    my $file = "../" . $_;
+    debug ("text file: " . $_ . "\n");
+    my $content = loadFile ($file);
+    
+    while ($content =~ /localize\s*\("([\w\.]*?)"\)/igs) {
+        $allstrings{$1} = "";
+        debug (" * $1 \n");
+    }
+    
+    while ($content =~ /localize\s*\("([\w\.]*?)"\s*,/igs) {
+        $allstrings{$1 . ".none"} = "";
+        $allstrings{$1 . ".one"} = "";
+        $allstrings{$1 . ".many"} = "";
+        debug (" *** $1 \n");
+    }
+}
+closedir $dirhandle;
+
+@strings = sort (keys (%allstrings));
+
+# Load existing json files with strings and values
+
+opendir (my($dirhandle), "../lang") or die ("Directory not found\n");
+for (readdir ($dirhandle)) {
+    next if (-d $_ ); # skip directories
+    next if (/^[.]/); # skip dot-files
+    next if not (/(.+)[.]json$/);
+    
+    my $file = "../lang/" . $_;    
+    (my $lang = $_) =~ s/Localization_(\w\w)\.json/$1/;
+    debug ("language file: $_ / $lang \n");
+    
+    my $content = loadFile ($file);
+    
+    while ($content =~ /"(.*?)"\:"(.*?)",/igs) {
+        #push @strings, $1;
+        $values{$lang}{$1} = $2;
+        #debug (" * $1 \n");
+    }
+    
+    open OUTPUT, ">$file.new";
+    
+    print OUTPUT "{\n";
+    foreach my $name (@strings) {
+        print OUTPUT "\"$name\":\"$values{$lang}{$name}\",\n";
+    }
+    print OUTPUT "\"end\":\"end\"\n";
+    print OUTPUT "}\n";
+    
+    close OUTPUT;
+}
+closedir $dirhandle;
+
+
+
+sub loadFile {
+    my ($file) = @_;
+    my $save = $/;
+    $/ = undef;
+    
+    open INPUT, "<$file";
+    my $content = <INPUT>;
+    close INPUT;
+
+    $/ = $save;
+    
+    return $content;
+}
+
+sub debug {
+    #uncomment next line for debug messages
+    print @_;
+}
\ No newline at end of file