diff --git a/scripts/downcode.php b/scripts/downcode.php
new file mode 100644
index 0000000..f2a7fda
--- /dev/null
+++ b/scripts/downcode.php
@@ -0,0 +1,20 @@
+<?php
+//Downcode the provided argument or stdin if the argument was not present
+
+require_once dirname (__DIR__) . '/URLify.php';
+
+//Print usage and exit if arguments are invalid
+if($argc < 1 || $argc > 2) {
+	die ("Usage (argument): php " . basename(__FILE__) . " \"<text to downcode>\"\nUsage (pipe): <Arbitrary command> | php " . basename(__FILE__) . "\n");
+}
+
+//Process the provided argument
+if($argc === 2) {
+	$s = $argv[1];
+//Or read from stdin if the argument wasn't present
+} else {
+	$piped = true;
+	$s = file_get_contents("php://stdin");
+}
+
+echo URLify::downcode ($s) . ($piped ? "\n" : "");
diff --git a/scripts/filter.php b/scripts/filter.php
new file mode 100644
index 0000000..aec6a0a
--- /dev/null
+++ b/scripts/filter.php
@@ -0,0 +1,20 @@
+<?php
+//Filter the provided argument or stdin if the argument was not present
+
+require_once dirname (__DIR__) . '/URLify.php';
+
+//Print usage and exit if arguments are invalid
+if($argc < 1 || $argc > 2) {
+	die ("Usage (argument): php " . basename(__FILE__) . " \"<text to filter>\"\nUsage (pipe): <Arbitrary command> | php " . basename(__FILE__) . "\n");
+}
+
+//Process the provided argument
+if($argc === 2) {
+	$s = $argv[1];
+//Or read from stdin if the argument wasn't present
+} else {
+	$piped = true;
+	$s = file_get_contents("php://stdin");
+}
+
+echo URLify::filter ($s) . ($piped ? "\n" : "");
diff --git a/scripts/transliterate.php b/scripts/transliterate.php
new file mode 100644
index 0000000..258581b
--- /dev/null
+++ b/scripts/transliterate.php
@@ -0,0 +1,20 @@
+<?php
+//Transliterate the provided argument or stdin if the argument was not present
+
+require_once dirname (__DIR__) . '/URLify.php';
+
+//Print usage and exit if arguments are invalid
+if($argc < 1 || $argc > 2) {
+	die ("Usage (argument): php " . basename(__FILE__) . " \"<text to transliterate>\"\nUsage (pipe): <Arbitrary command> | php " . basename(__FILE__) . "\n");
+}
+
+//Process the provided argument
+if($argc === 2) {
+	$s = $argv[1];
+//Or read from stdin if the argument wasn't present
+} else {
+	$piped = true;
+	$s = file_get_contents("php://stdin");
+}
+
+echo URLify::transliterate($s) . ($piped ? "\n" : "");