diff --git a/libraries/osu_library.php b/libraries/osu_library.php
index c5918e7..213a8ef 100644
--- a/libraries/osu_library.php
+++ b/libraries/osu_library.php
@@ -27,11 +27,24 @@ class osu_library
 		$root = str_ireplace("\\", "/", $root); // fuck windows backslash
 		$root = rtrim($root, "/"); // remove trailing slash(es)
 		
-		$this->set_root($root); // update db entry
-		
-		$glob = glob($this->get_library_folder() . "/*", GLOB_ONLYDIR);
+		// giving a different library should always cause a full rescan
+		if ($this->get_root() !== $root) 
+		{
+			$this->rescan_library($root);
+		}
 		
 		$library = $this->get_library();
+		$library_folder = $this->get_library_folder();
+		foreach ($library as $key => $entry)
+		{
+			if (!file_exists($library_folder . "/" . $key))
+			{
+				$this->unset_library_key($key);
+			};
+		}
+		
+		$glob = glob($library_folder . "/*", GLOB_ONLYDIR);
+		
 		natsort($glob); // i like wasting your processing power
 		foreach($glob as $folder)
 		{
@@ -54,6 +67,7 @@ class osu_library
 	public function rescan_library(string $root) : void
 	{
 		$this->clear_library();
+		$this->set_root($root); // update db entry
 		$this->scan_library($root);
 	}
 	
@@ -88,7 +102,7 @@ class osu_library
 		
 		if ($changed)
 		{
-			unset($this->db["library"][$key]);
+			$this->unset_library_key($key);
 			$this->scan_add_folder($folder);
 		}
 	}
@@ -142,14 +156,22 @@ class osu_library
 			"difficulties" => $difficulties,
 		);
 		
-		// if (!isset($this->db["library"])) $this->db["library"] = array();
-		
+		$this->add_to_library($key, $entry);
+	}
+	
+	
+	public function add_to_library(string $key, array $entry) : void
+	{
 		// init empty
 		if (!isset($this->db["library"])) $this->db["library"] = array();
 		
 		$this->db["library"][$key] = $entry;
 	}
 	
+	public function unset_library_key(string $key) : void
+	{
+		if (isset($this->db["library"][$key])) unset($this->db["library"][$key]);
+	}
 	
 	public function get_root() : string
 	{
diff --git a/main.php b/main.php
index f6ac867..a824e68 100644
--- a/main.php
+++ b/main.php
@@ -86,8 +86,10 @@ foreach ($lib->get_library() as $set)
 		$proc_time += $map["parsing_time"] ?? 0;
 	}
 }
-echo "<h3>Parse time: " . $proc_time . " seconds</h3>";
-echo "<h3>Scan time: " . $lib->get_scan_time() . " seconds</h3>";
+$proc_time = round($proc_time, 3);
+$scan_time = round($lib->get_scan_time(), 3);
+echo "<h3>Total parse time: " . $proc_time . " seconds</h3>";
+echo "<h3>Scan time: " . $scan_time . " seconds</h3>";
 // foreach ($lib->get_library() as $mapset)
 // {
 	// echo '<div class="beatmapset">';
diff --git a/splitter.php b/splitter.php
index 3d7b24c..45a808b 100644
--- a/splitter.php
+++ b/splitter.php
@@ -1,10 +1,13 @@
 <?php
 require "libraries/osu_library.php";
 
+$format = "html";
+if (!empty($_GET["format"])) $format = $_GET["format"];
+
 $page = $_GET["page"];
 $page = intval($page);
 if ($page < 1) $page = 1;
-$pagesize = 100;
+$pagesize = 10;
 
 $lib = new osu_library();
 $library = $lib->get_library();
@@ -15,52 +18,70 @@ if ($page > $maxpage) $page = $maxpage;
 
 $startindex = ($page - 1) * $pagesize;
 
-$start = file_get_contents("resources/start.html");
-$start = str_replace("{{ STYLE }}", file_get_contents("resources/style.css"), $start);
-echo $start;
-
 $partial_library = array_slice($library, $startindex, $pagesize);
 
-$previous = $page - 1;
-if ($previous < 1) $previous = 1;
-$next = $page + 1;
-if ($next > $maxpage) $next = $maxpage;
 
-echo '<h2>Page ' . $page . '/' . $maxpage . ' of osu! songs</h2>';
-echo '<a href="./splitter.php?page=' . $previous . '">[Previous]</a> ';
-echo '<a href="./splitter.php?page=' . $next . '">[Next]</a> ';
-echo "<pre>";
-// print_r($partial_library);
-// foreach ($partial_library as $key => $value)
-// {
-	// $firstdiff = $value["difficulties"][array_key_first($value["difficulties"])];
-	// echo $firstdiff["artist"] . " - " . $firstdiff["title"] . " (" . count($value["difficulties"]) . " difficulties)\n";
-// }
-$proc_times = array();
-foreach ($library as $key => $set)
+if ($format == "html")
 {
-	$tiempo = 0;
-	foreach ($set["difficulties"] as $map)
-	{
-		$tiempo += $map["parsing_time"];
-	}
-	$proc_times[$key] = $tiempo;
-}
+	$previous = $page - 1;
+	if ($previous < 1) $previous = 1;
+	$next = $page + 1;
+	if ($next > $maxpage) $next = $maxpage;
+	
+	$start = file_get_contents("resources/start.html");
+	$start = str_replace("{{ STYLE }}", file_get_contents("resources/style.css"), $start);
+	echo $start;
 
-arsort($proc_times);
-
-foreach ($proc_times as $key => $tiempo)
-{
-	$value = $library[$key];
-	$firstdiff = $value["difficulties"][array_key_first($value["difficulties"])];
-	$diffcount = 0;
-	foreach ($value["difficulties"] as $diff)
+	echo '<h2>Page ' . $page . '/' . $maxpage . ' of osu! songs</h2>';
+	echo '<a href="./splitter.php?page=' . $previous . '">[Previous]</a> ';
+	echo '<a href="./splitter.php?page=' . $next . '">[Next]</a> ';
+	echo "<pre>";
+	// print_r($partial_library);
+	foreach ($partial_library as $key => $value)
 	{
-		if ($diff["format"] != "storyboard")
+		$firstdiff = $value["difficulties"][array_key_first($value["difficulties"])];
+		$diffcount = 0;
+		foreach ($value["difficulties"] as $diff)
 		{
-			$diffcount++;
+			if ($diff["format"] != "storyboard")
+			{
+				$diffcount++;
+			}
 		}
+		if ($diffcount == 1) $difftext = "difficulty";
+		else $difftext = "difficulties";
+		echo $value["id"] . ": " . $firstdiff["Metadata"]["Artist"] . " - " . $firstdiff["Metadata"]["Title"] . " (" . $diffcount . " {$difftext})\n";
 	}
-	echo str_pad(round($tiempo, 5), 7, "0") . "s " . $value["id"] . ": " . $firstdiff["Metadata"]["Artist"] . " - " . $firstdiff["Metadata"]["Title"] . " (" . $diffcount . " difficulties)\n";
+	// $proc_times = array();
+	// foreach ($library as $key => $set)
+	// {
+		// $tiempo = 0;
+		// foreach ($set["difficulties"] as $map)
+		// {
+			// $tiempo += $map["parsing_time"];
+		// }
+		// $proc_times[$key] = $tiempo;
+	// }
+
+	// arsort($proc_times);
+
+	// foreach ($proc_times as $key => $tiempo)
+	// {
+		// $value = $library[$key];
+		// $firstdiff = $value["difficulties"][array_key_first($value["difficulties"])];
+		// $diffcount = 0;
+		// foreach ($value["difficulties"] as $diff)
+		// {
+			// if ($diff["format"] != "storyboard")
+			// {
+				// $diffcount++;
+			// }
+		// }
+		// echo str_pad(round($tiempo, 5), 7, "0") . "s " . $value["id"] . ": " . $firstdiff["Metadata"]["Artist"] . " - " . $firstdiff["Metadata"]["Title"] . " (" . $diffcount . " difficulties)\n";
+	// }
 }
-echo "</pre>";
\ No newline at end of file
+else // default to json in every other case
+{
+	header('Content-Type: application/json');
+	echo json_encode($partial_library);
+}
\ No newline at end of file