diff --git a/src/Config.vala b/src/Config.vala
index 0c8f6cb..08bf771 100644
--- a/src/Config.vala
+++ b/src/Config.vala
@@ -23,6 +23,9 @@
  */
 
 class Config {
+	private KeyFile keyfile;
+	private string path;
+
 	public string control_monitor;
 	public bool control_fullscreen;
 	public string presentation_monitor;
@@ -30,14 +33,36 @@ class Config {
 	public signal void configuration_changed();
 
 	public Config() {
+		path = Environment.get_user_config_dir() + "/pdf-presenter.cfg";
+		keyfile = new KeyFile();
 		load();
 	}
 
 	public void load() {
-		/* TODO: load from ~/.config/pdf-presenter.cfg */
+		try {
+			keyfile.load_from_file (path, KeyFileFlags.NONE);
+
+			/* monitors section */
+			control_monitor = keyfile.get_string ("monitors", "control");
+			presentation_monitor = keyfile.get_string ("monitors", "presentation");
+			control_fullscreen = keyfile.get_boolean ("monitors", "control_fullscreen");
+		} catch(Error e) {
+			stderr.printf("could not load settings: %s\n", e.message);
+		}
 	}
 
 	public void save() {
-		/* TODO: save to ~/.config/pdf-presenter.cfg */
+		/* monitors section */
+		keyfile.set_string("monitors", "control", control_monitor);
+		keyfile.set_string("monitors", "presentation", presentation_monitor);
+		keyfile.set_boolean("monitors", "control_fullscreen", control_fullscreen);
+
+		try {
+			string data = keyfile.to_data();
+			var file = File.new_for_path(path);
+			file.replace_contents(data, data.length, null, false, FileCreateFlags.NONE, null);
+		} catch(Error e) {
+			stderr.printf("could not save settings: %s\n", e.message);
+		}
 	}
 }