diff --git a/.gitmodules b/.gitmodules
index 8f26755..af0f685 100644
--- a/.gitmodules
+++ b/.gitmodules
@@ -10,3 +10,9 @@
 [submodule "ytdl-preload"]
 	path = ytdl-preload
 	url = git@gist.github.com:17d90e3deeb35b5f75e55adb19098f58.git
+[submodule "autosubsync-mpv"]
+	path = autosubsync-mpv
+	url = git@github.com:Ajatt-Tools/autosubsync-mpv.git
+[submodule "scripts/autosubsync-mpv"]
+	path = scripts/autosubsync-mpv
+	url = git@github.com:Ajatt-Tools/autosubsync-mpv.git
diff --git a/input.conf b/input.conf
index 6e28dbf..19cd692 100644
--- a/input.conf
+++ b/input.conf
@@ -199,3 +199,4 @@ CTRL+0 no-osd change-list glsl-shaders clr ""; show-text "GLSL shaders cleared"
 
 ctrl+K cycle-values keep-open "yes" "no"
 ctrl+r script-binding reload-scripts
+ctrl+s script_binding autosubsync-menu
diff --git a/script-opts/autosubsync.conf b/script-opts/autosubsync.conf
new file mode 100644
index 0000000..c91d170
--- /dev/null
+++ b/script-opts/autosubsync.conf
@@ -0,0 +1,33 @@
+# Absolute paths to the executables, if needed:
+
+# 1. ffmpeg
+ffmpeg_path=/usr/bin/ffmpeg
+
+# 2. ffsubsync
+ffsubsync_path=/usr/bin/ffsubsync
+
+# 3. alass
+alass_path=/usr/bin/alass
+
+# Preferred retiming tool. Allowed options: 'ffsubsync', 'alass', 'ask'.
+# If set to 'ask', the add-on will ask to choose the tool every time:
+
+# 1. Preferred tool for syncing to audio.
+# audio_subsync_tool=ask
+audio_subsync_tool=ffsubsync
+# audio_subsync_tool=alass
+
+# 2. Preferred tool for syncing to another subtitle.
+# altsub_subsync_tool=ask
+altsub_subsync_tool=ffsubsync
+# altsub_subsync_tool=alass
+
+# Unload old subs (yes,no)
+# After retiming, tell mpv to forget the original subtitle track.
+# unload_old_sub=yes
+unload_old_sub=no
+
+# Overwrite the original subtitle file.
+# Replace the old subtitle file with the retimed file.
+# overwrite_old_sub=yes
+overwrite_old_sub=no
diff --git a/scripts/autosubsync-mpv b/scripts/autosubsync-mpv
new file mode 160000
index 0000000..125ac13
--- /dev/null
+++ b/scripts/autosubsync-mpv
@@ -0,0 +1 @@
+Subproject commit 125ac13d1b84b3a64bb2e912225a8356c1c01364