diff --git a/.gitignore b/.gitignore
index 1c77761..bc551f5 100644
--- a/.gitignore
+++ b/.gitignore
@@ -2,7 +2,8 @@
 .godot/
 android/
 
-addons/
+addons/*
+!addons/export_custom_manifest/
 reports/
 .DS_Store
 export/
diff --git a/addons/export_custom_manifest/export_custom_manifest.gd b/addons/export_custom_manifest/export_custom_manifest.gd
new file mode 100644
index 0000000..48de7bd
--- /dev/null
+++ b/addons/export_custom_manifest/export_custom_manifest.gd
@@ -0,0 +1,40 @@
+class_name ExportCustomManifest
+extends EditorExportPlugin
+
+const MANIFEST_FILENAME := "manifest.json"
+const MANIFEST_PATH = "res://web/" + MANIFEST_FILENAME
+
+var _features: PackedStringArray
+var _export_dir: String
+
+
+func _get_name() -> String:
+	return "ExportCustomManifest"
+
+
+func copy_manifest(dest_path: String) -> void:
+	var error := DirAccess.copy_absolute(MANIFEST_PATH, dest_path)
+
+	if error != OK:
+		push_error(
+			(
+				"Failed to copy manifest. Error code: %d\nSource: %s\nDestination: %s"
+				% [error, MANIFEST_PATH, dest_path]
+			)
+		)
+	else:
+		print("Custom manifest.json copied successfully to: %s" % dest_path)
+
+
+func _export_begin(features: PackedStringArray, _is_debug: bool, path: String, _flags: int) -> void:
+	_features = features
+	_export_dir = path.get_base_dir()
+
+
+func _export_end() -> void:
+	if "web" not in _features:
+		return
+
+	var dest_manifest_path := _export_dir.path_join("index." + MANIFEST_FILENAME)
+
+	copy_manifest(dest_manifest_path)
diff --git a/addons/export_custom_manifest/plugin.cfg b/addons/export_custom_manifest/plugin.cfg
new file mode 100644
index 0000000..ab9c279
--- /dev/null
+++ b/addons/export_custom_manifest/plugin.cfg
@@ -0,0 +1,7 @@
+[plugin]
+
+name="Export Custom Manifest"
+description=""
+author="Joshua Folkken"
+version="1.0.0"
+script="plugin.gd"
diff --git a/addons/export_custom_manifest/plugin.gd b/addons/export_custom_manifest/plugin.gd
new file mode 100644
index 0000000..73cfe95
--- /dev/null
+++ b/addons/export_custom_manifest/plugin.gd
@@ -0,0 +1,13 @@
+@tool
+extends EditorPlugin
+
+var export_plugin: EditorExportPlugin
+
+
+func _enter_tree() -> void:
+	export_plugin = ExportCustomManifest.new()
+	add_export_plugin(export_plugin)
+
+
+func _exit_tree() -> void:
+	remove_export_plugin(export_plugin)
diff --git a/project.godot b/project.godot
index 5a2ad69..e98354c 100644
--- a/project.godot
+++ b/project.godot
@@ -11,7 +11,7 @@ config_version=5
 [application]
 
 config/name="Tic Tac Toe"
-config/version="0.53.0"
+config/version="0.54.0"
 run/main_scene="res://scenes/main.tscn"
 config/features=PackedStringArray("4.3", "GL Compatibility")
 config/icon="res://icon.svg"
@@ -32,7 +32,7 @@ window/stretch/mode="canvas_items"
 
 [editor_plugins]
 
-enabled=PackedStringArray("res://addons/gut/plugin.cfg", "res://addons/gdUnit4/plugin.cfg")
+enabled=PackedStringArray("res://addons/export_custom_manifest/plugin.cfg", "res://addons/gdUnit4/plugin.cfg", "res://addons/gut/plugin.cfg")
 
 [gdunit4]
 
diff --git a/web/manifest.json b/web/manifest.json
new file mode 100644
index 0000000..700cf22
--- /dev/null
+++ b/web/manifest.json
@@ -0,0 +1,25 @@
+{
+	"background_color": "#000000",
+	"display": "fullscreen",
+	"icons": [
+		{
+			"sizes": "144x144",
+			"src": "index.144x144.png",
+			"type": "image/png"
+		},
+		{
+			"sizes": "180x180",
+			"src": "index.180x180.png",
+			"type": "image/png"
+		},
+		{
+			"sizes": "512x512",
+			"src": "index.512x512.png",
+			"type": "image/png",
+			"purpose": "any maskable"
+		}
+	],
+	"name": "Tic Tac Toe",
+	"orientation": "landscape",
+	"start_url": "./index.html"
+}