diff --git a/langs/en-ca.json b/langs/en-ca.json
index 1136454..7813c4b 100644
--- a/langs/en-ca.json
+++ b/langs/en-ca.json
@@ -9,6 +9,23 @@
 			"canPlayersManageAttributes": {
 				"name": "Players Can Manage Attributes",
 				"hint": "This allows players who have edit access to a document to be able to edit what attributes those characters have via the attribute editor"
+			},
+			"sheetDefaultHeight": {
+				"name": "Default Actor Sheet Height",
+				"hint": "The height that all actor sheets will open at unless overwridden for that sheet specifically. This setting will not affect already opened sheets."
+			},
+			"sheetDefaultWidth": {
+				"name": "Default Actor Sheet Width",
+				"hint": "The width that all actor sheets will open at unless overwridden for that sheet specifically. This setting will not affect already opened sheets."
+			},
+			"sheetDefaultResizable": {
+				"name": "Default Actor Sheet Resizable",
+				"hint": "Whether or not actor sheets will be able to be resized by default, unless overridden for that specific sheet. This setting will not affect already opened sheets.",
+				"choices": {
+					"default": "No Global Default",
+					"false": "Not Resizable",
+					"true": "Resizable"
+				}
 			}
 		},
 		"sheet-names": {
diff --git a/module/apps/PlayerSheet.mjs b/module/apps/PlayerSheet.mjs
index 257182a..9f9b0ad 100644
--- a/module/apps/PlayerSheet.mjs
+++ b/module/apps/PlayerSheet.mjs
@@ -42,23 +42,36 @@ export class PlayerSheet extends HandlebarsApplicationMixin(ActorSheetV2) {
 	// #region Lifecycle
 	_initializeApplicationOptions(options) {
 		const sizing = getProperty(options.document, `flags.${__ID__}.PlayerSheet.size`) ?? {};
+		const setting = {
+			width: game.settings.get(__ID__, `sheetDefaultWidth`),
+			height: game.settings.get(__ID__, `sheetDefaultHeight`),
+			resizable: game.settings.get(__ID__, `sheetDefaultResizable`),
+		};
 
 		options.window ??= {};
-		switch (sizing.resizable) {
-			case `false`:
-				options.window.resizable ??= false;
-				break;
-			case `true`:
-				options.window.resizable ??= true;
-				break;
+		if (sizing.resizable !== ``) {
+			options.window.resizable ??= sizing.resizable === `true`;
+		}
+		else if (setting.resizable !== ``) {
+			options.window.resizable ??= setting.resizable === `true`;
 		};
 
 		options.position ??= {};
+
+		// Set width
 		if (sizing.width) {
 			options.position.width ??= sizing.width;
+		}
+		else if (setting.width) {
+			options.position.width ??= setting.width;
 		};
+
+		// Set height
 		if (sizing.height) {
 			options.position.height ??= sizing.height;
+		}
+		else if (setting.height) {
+			options.position.height ??= setting.height;
 		};
 
 		return super._initializeApplicationOptions(options);
diff --git a/module/settings/world.mjs b/module/settings/world.mjs
index 78462d7..705ed22 100644
--- a/module/settings/world.mjs
+++ b/module/settings/world.mjs
@@ -1,5 +1,7 @@
 import { __ID__ } from "../consts.mjs";
 
+const { NumberField, StringField } = foundry.data.fields;
+
 export function registerWorldSettings() {
 	game.settings.register(__ID__, `canPlayersManageAttributes`, {
 		name: `taf.settings.canPlayersManageAttributes.name`,
@@ -9,4 +11,42 @@ export function registerWorldSettings() {
 		default: false,
 		scope: `world`,
 	});
+
+	game.settings.register(__ID__, `sheetDefaultWidth`, {
+		name: `taf.settings.sheetDefaultWidth.name`,
+		hint: `taf.settings.sheetDefaultWidth.hint`,
+		config: true,
+		type: new NumberField({
+			min: 0,
+			nullable: true,
+		}),
+		scope: `world`,
+	});
+
+	game.settings.register(__ID__, `sheetDefaultHeight`, {
+		name: `taf.settings.sheetDefaultHeight.name`,
+		hint: `taf.settings.sheetDefaultHeight.hint`,
+		config: true,
+		type: new NumberField({
+			min: 0,
+			nullable: true,
+		}),
+		scope: `world`,
+	});
+
+	game.settings.register(__ID__, `sheetDefaultResizable`, {
+		name: `taf.settings.sheetDefaultResizable.name`,
+		hint: `taf.settings.sheetDefaultResizable.hint`,
+		config: true,
+		type: new StringField({
+			blank: true,
+			initial: ``,
+			choices: {
+				"": `taf.settings.sheetDefaultResizable.choices.default`,
+				"false": `taf.settings.sheetDefaultResizable.choices.false`,
+				"true": `taf.settings.sheetDefaultResizable.choices.true`,
+			},
+		}),
+		scope: `world`,
+	});
 };
diff --git a/module/utils/getSizing.mjs b/module/utils/getSizing.mjs
index 63e6822..bb5e09a 100644
--- a/module/utils/getSizing.mjs
+++ b/module/utils/getSizing.mjs
@@ -1,3 +1,4 @@
+import { __ID__ } from "../consts.mjs";
 import { PlayerSheet } from "../apps/PlayerSheet.mjs";
 
 /**
@@ -21,12 +22,17 @@ export function getDefaultSizing() {
 		resizable: undefined,
 	};
 
-	// TODO: defaults from world settings
+	sizing.height ||= game.settings.get(__ID__, `sheetDefaultHeight`);
+	sizing.width ||= game.settings.get(__ID__, `sheetDefaultWidth`);
+	const globalResizable = game.settings.get(__ID__, `sheetDefaultResizable`);
+	if (globalResizable !== ``) {
+		sizing.resizable = globalResizable == `true`;
+	};
 
 	// Defaults from the sheet class itself
 	sizing.height ||= PlayerSheet.DEFAULT_OPTIONS.position.height;
 	sizing.width ||= PlayerSheet.DEFAULT_OPTIONS.position.width;
-	sizing.resizable ||= PlayerSheet.DEFAULT_OPTIONS.window.resizable;
+	sizing.resizable ??= PlayerSheet.DEFAULT_OPTIONS.window.resizable;
 
 	return sizing;
 };