--- a/src/chooser_cli.rs
+++ b/src/chooser_cli.rs
@@ -79,0 +80,3 @@
+        app_id_filter: None,
+        initial_cycle: None,
+        snapshot: false,
--- a/src/lib.rs
+++ b/src/lib.rs
@@ -56 +56,2 @@
-    std::thread::spawn(move || ui::capture_thread(tx));
+    let snapshot = opts.snapshot;
+    std::thread::spawn(move || ui::capture_thread(tx, snapshot));
--- a/src/shell.rs
+++ b/src/shell.rs
@@ -617,0 +618,3 @@
+        Keysym::plus | Keysym::KP_Add => Key::Plus,
+        Keysym::equal => Key::Equals,
+        Keysym::minus | Keysym::KP_Subtract => Key::Minus,
--- a/src/switcher_cli.rs
+++ b/src/switcher_cli.rs
@@ -75,0 +76,6 @@
+    /// Show only windows whose Wayland app-id exactly matches this value.
+    #[arg(long)]
+    app_id: Option<String>,
+    /// Select the previous window when the overview first opens.
+    #[arg(long)]
+    reverse: bool,
@@ -121,0 +128,3 @@
+        app_id_filter: cli.app_id,
+        initial_cycle: Some(!cli.reverse),
+        snapshot: true,
--- a/src/ui.rs
+++ b/src/ui.rs
@@ -8,0 +9 @@
+use std::path::PathBuf;
@@ -41,0 +43,32 @@
+const DEFAULT_OVERVIEW_SCALE: f32 = 0.85;
+const MIN_OVERVIEW_SCALE: f32 = 0.55;
+const MAX_OVERVIEW_SCALE: f32 = 1.0;
+
+fn overview_scale_path() -> Option<PathBuf> {
+    if let Some(path) = std::env::var_os("XDG_STATE_HOME") {
+        return Some(PathBuf::from(path).join("window-overview/scale"));
+    }
+    std::env::var_os("HOME")
+        .map(PathBuf::from)
+        .map(|path| path.join(".local/state/window-overview/scale"))
+}
+
+fn load_overview_scale() -> f32 {
+    overview_scale_path()
+        .and_then(|path| std::fs::read_to_string(path).ok())
+        .and_then(|value| value.trim().parse::<f32>().ok())
+        .unwrap_or(DEFAULT_OVERVIEW_SCALE)
+        .clamp(MIN_OVERVIEW_SCALE, MAX_OVERVIEW_SCALE)
+}
+
+fn save_overview_scale(scale: f32) {
+    let Some(path) = overview_scale_path() else {
+        return;
+    };
+    let Some(parent) = path.parent() else {
+        return;
+    };
+    if std::fs::create_dir_all(parent).is_ok() {
+        let _ = std::fs::write(path, format!("{scale:.2}\n"));
+    }
+}
@@ -177 +210 @@
-pub fn capture_thread(tx: Sender<Msg>) {
+pub fn capture_thread(tx: Sender<Msg>, snapshot: bool) {
@@ -189,0 +223 @@
+    let mut captured: HashSet<String> = HashSet::new();
@@ -236,0 +271 @@
+        captured.retain(|key| present.contains(key.as_str()));
@@ -255 +290 @@
-            if sessions.contains_key(&s.key) {
+            if sessions.contains_key(&s.key) || (snapshot && captured.contains(&s.key)) {
@@ -295 +330,3 @@
-            let Some(key) = by_id.get(&id) else { continue };
+            let Some(key) = by_id.get(&id).cloned() else {
+                continue;
+            };
@@ -313,0 +351,6 @@
+            if snapshot {
+                captured.insert(key.clone());
+                sessions.remove(&key);
+                by_id.remove(&id);
+                client.close_session(&id);
+            }
@@ -508,0 +552,6 @@
+    /// Exact Wayland app-id filter, used by taskbar launches.
+    pub app_id_filter: Option<String>,
+    /// Initial cycle direction. `None` leaves the first item selected.
+    pub initial_cycle: Option<bool>,
+    /// Capture each window once instead of continuously refreshing previews.
+    pub snapshot: bool,
@@ -533,0 +583,3 @@
+    app_id_filter: Option<String>,
+    initial_forward: bool,
+    overview_scale: f32,
@@ -567 +619 @@
-            pending_initial_select: false,
+            pending_initial_select: opts.initial_cycle.is_some(),
@@ -571,0 +624,3 @@
+            app_id_filter: opts.app_id_filter,
+            initial_forward: opts.initial_cycle.unwrap_or(true),
+            overview_scale: load_overview_scale(),
@@ -698,0 +754,5 @@
+            .filter(|s| {
+                self.app_id_filter
+                    .as_ref()
+                    .is_none_or(|app_id| s.app_id.eq_ignore_ascii_case(app_id))
+            })
@@ -734 +794,5 @@
-                self.selected = if n > 1 { 1 } else { 0 };
+                self.selected = if n > 1 {
+                    if self.initial_forward { 1 } else { n - 1 }
+                } else {
+                    0
+                };
@@ -745 +809 @@
-        let (esc, next, prev, enter) = ctx.input(|i| {
+        let (esc, next, prev, enter, zoom_in, zoom_out) = ctx.input(|i| {
@@ -755,0 +820,2 @@
+                i.key_pressed(egui::Key::Plus) || i.key_pressed(egui::Key::Equals),
+                i.key_pressed(egui::Key::Minus),
@@ -771,0 +838,6 @@
+        if self.view == View::Grid && (zoom_in || zoom_out) {
+            let delta = if zoom_in { 0.05 } else { -0.05 };
+            self.overview_scale =
+                (self.overview_scale + delta).clamp(MIN_OVERVIEW_SCALE, MAX_OVERVIEW_SCALE);
+            save_overview_scale(self.overview_scale);
+        }
@@ -1020 +1092,5 @@
-        let area = ctx.content_rect().shrink(24.0);
+        let full_area = ctx.content_rect().shrink(24.0);
+        let area = egui::Rect::from_center_size(
+            full_area.center(),
+            full_area.size() * self.overview_scale,
+        );
@@ -1076,0 +1153,8 @@
+
+        ui.painter().text(
+            egui::pos2(full_area.right(), full_area.top()),
+            egui::Align2::RIGHT_TOP,
+            format!("−  {:.0}%  +", self.overview_scale * 100.0),
+            egui::FontId::proportional(14.0),
+            self.theme.text_dim,
+        );