diff --git a/src/app/Store.ts b/src/app/Store.ts
index 975abc2b..1c68cc5d 100644
--- a/src/app/Store.ts
+++ b/src/app/Store.ts
@@ -13,6 +13,7 @@ export namespace Store {
 	export const ID_SOUNDS_VERSION = 'minecraft_sounds_version'
 	export const ID_PROJECTS = 'misode_projects'
 	export const ID_BACKUPS = 'misode_generator_backups'
+	export const ID_PREVIEW_PANEL_OPEN = 'misode_preview_panel_open'
 	export const ID_PROJECT_PANEL_OPEN = 'misode_project_panel_open'
 	export const ID_OPEN_PROJECT = 'misode_open_project'
 	export const ID_TREE_VIEW_MODE = 'misode_tree_view_mode'
@@ -71,6 +72,12 @@ export namespace Store {
 		return backups[id]
 	}
 
+	export function getPreviewPanelOpen(): boolean | undefined {
+		const open = localStorage.getItem(ID_PREVIEW_PANEL_OPEN)
+		if (open === null) return undefined
+		return JSON.parse(open)
+	}
+
 	export function getProjectPanelOpen(): boolean | undefined {
 		const open = localStorage.getItem(ID_PROJECT_PANEL_OPEN)
 		if (open === null) return undefined
@@ -131,6 +138,14 @@ export namespace Store {
 		localStorage.setItem(ID_BACKUPS, JSON.stringify(backups))
 	}
 
+	export function setPreviewPanelOpen(open: boolean | undefined) {
+		if (open === undefined) {
+			localStorage.removeItem(ID_PREVIEW_PANEL_OPEN)
+		} else {
+			localStorage.setItem(ID_PREVIEW_PANEL_OPEN, JSON.stringify(open))
+		}
+	}
+
 	export function setProjectPanelOpen(open: boolean | undefined) {
 		if (open === undefined) {
 			localStorage.removeItem(ID_PROJECT_PANEL_OPEN)
diff --git a/src/app/pages/Generator.tsx b/src/app/pages/Generator.tsx
index 36402a28..94c3847e 100644
--- a/src/app/pages/Generator.tsx
+++ b/src/app/pages/Generator.tsx
@@ -285,7 +285,7 @@ export function Generator({}: Props) {
 
 	const [copyActive, copySuccess] = useActiveTimeout()
 
-	const [previewShown, setPreviewShown] = useState(false)
+	const [previewShown, setPreviewShown] = useState(Store.getPreviewPanelOpen() ?? window.innerWidth > 800)
 	const hasPreview = HasPreview.includes(gen.id) && !(gen.id === 'worldgen/configured_feature' && checkVersion(version, '1.18'))
 	if (previewShown && !hasPreview) setPreviewShown(false)
 	let actionsShown = 2
@@ -304,7 +304,7 @@ export function Generator({}: Props) {
 		}
 	}
 
-	const [projectShown, setProjectShown] = useState(Store.getProjectPanelOpen() ?? window.innerWidth > 600)
+	const [projectShown, setProjectShown] = useState(Store.getProjectPanelOpen() ?? window.innerWidth > 1000)
 	const toggleProjectShown = useCallback(() => {
 		if (projectShown) {
 			Analytics.hideProject(gen.id, projects.length, project.files.length, 'menu')