diff --git a/pixstrip-gtk/src/app.rs b/pixstrip-gtk/src/app.rs
index e5ba75e..59f98f8 100644
--- a/pixstrip-gtk/src/app.rs
+++ b/pixstrip-gtk/src/app.rs
@@ -1128,9 +1128,30 @@ fn show_results(
     } else {
         format!("{} images processed", result.succeeded)
     };
-    let toast = adw::Toast::new(&savings);
-    toast.set_timeout(5);
-    ui.toast_overlay.add_toast(toast.clone());
+    // Undo toast with savings info
+    let undo_toast = adw::Toast::new(&savings);
+    undo_toast.set_button_label(Some("Undo"));
+    undo_toast.set_timeout(10);
+    {
+        let output_dir = ui.state.output_dir.borrow().clone();
+        undo_toast.connect_button_clicked(move |t| {
+            if let Some(ref dir) = output_dir {
+                let mut trashed = 0;
+                if let Ok(entries) = std::fs::read_dir(dir) {
+                    for entry in entries.flatten() {
+                        let gfile = gtk::gio::File::for_path(entry.path());
+                        if gfile.trash(gtk::gio::Cancellable::NONE).is_ok() {
+                            trashed += 1;
+                        }
+                    }
+                }
+                t.dismiss();
+                // Will show a new toast from the caller
+                let _ = trashed;
+            }
+        });
+    }
+    ui.toast_overlay.add_toast(undo_toast);
 
     // Desktop notification (if enabled in settings)
     let config_store = pixstrip_core::storage::ConfigStore::new();
diff --git a/pixstrip-gtk/src/steps/step_adjustments.rs b/pixstrip-gtk/src/steps/step_adjustments.rs
index d82976b..3ef591b 100644
--- a/pixstrip-gtk/src/steps/step_adjustments.rs
+++ b/pixstrip-gtk/src/steps/step_adjustments.rs
@@ -20,31 +20,24 @@ pub fn build_adjustments_page(state: &AppState) -> adw::NavigationPage {
 
     // Rotate
     let rotate_group = adw::PreferencesGroup::builder()
-        .title("Rotation")
+        .title("Orientation")
+        .description("Rotate and flip images")
         .build();
 
     let rotate_row = adw::ComboRow::builder()
         .title("Rotate")
-        .subtitle("Rotation applied after resize")
+        .subtitle("Rotation applied to all images")
         .build();
     let rotate_model = gtk::StringList::new(&[
         "None",
         "90 clockwise",
         "180",
         "270 clockwise",
-        "Auto-orient (EXIF)",
+        "Auto-orient (from EXIF)",
     ]);
     rotate_row.set_model(Some(&rotate_model));
     rotate_row.set_selected(cfg.rotation);
 
-    rotate_group.add(&rotate_row);
-    content.append(&rotate_group);
-
-    // Flip
-    let flip_group = adw::PreferencesGroup::builder()
-        .title("Flip")
-        .build();
-
     let flip_row = adw::ComboRow::builder()
         .title("Flip")
         .subtitle("Mirror the image")
@@ -53,8 +46,101 @@ pub fn build_adjustments_page(state: &AppState) -> adw::NavigationPage {
     flip_row.set_model(Some(&flip_model));
     flip_row.set_selected(cfg.flip);
 
-    flip_group.add(&flip_row);
-    content.append(&flip_group);
+    rotate_group.add(&rotate_row);
+    rotate_group.add(&flip_row);
+    content.append(&rotate_group);
+
+    // Advanced adjustments in an expander
+    let advanced_group = adw::PreferencesGroup::builder()
+        .title("Image Adjustments")
+        .build();
+
+    let advanced_expander = adw::ExpanderRow::builder()
+        .title("Advanced Adjustments")
+        .subtitle("Brightness, contrast, saturation, effects")
+        .show_enable_switch(false)
+        .build();
+
+    // Brightness slider (-100 to +100)
+    let brightness_row = adw::ActionRow::builder()
+        .title("Brightness")
+        .subtitle("0")
+        .build();
+    let brightness_scale = gtk::Scale::with_range(gtk::Orientation::Horizontal, -100.0, 100.0, 1.0);
+    brightness_scale.set_value(0.0);
+    brightness_scale.set_hexpand(true);
+    brightness_scale.set_valign(gtk::Align::Center);
+    brightness_scale.set_size_request(200, -1);
+    brightness_scale.set_draw_value(false);
+    let br_label = brightness_row.clone();
+    brightness_scale.connect_value_changed(move |scale| {
+        br_label.set_subtitle(&format!("{:.0}", scale.value()));
+    });
+    brightness_row.add_suffix(&brightness_scale);
+    advanced_expander.add_row(&brightness_row);
+
+    // Contrast slider (-100 to +100)
+    let contrast_row = adw::ActionRow::builder()
+        .title("Contrast")
+        .subtitle("0")
+        .build();
+    let contrast_scale = gtk::Scale::with_range(gtk::Orientation::Horizontal, -100.0, 100.0, 1.0);
+    contrast_scale.set_value(0.0);
+    contrast_scale.set_hexpand(true);
+    contrast_scale.set_valign(gtk::Align::Center);
+    contrast_scale.set_size_request(200, -1);
+    contrast_scale.set_draw_value(false);
+    let ct_label = contrast_row.clone();
+    contrast_scale.connect_value_changed(move |scale| {
+        ct_label.set_subtitle(&format!("{:.0}", scale.value()));
+    });
+    contrast_row.add_suffix(&contrast_scale);
+    advanced_expander.add_row(&contrast_row);
+
+    // Saturation slider (-100 to +100)
+    let saturation_row = adw::ActionRow::builder()
+        .title("Saturation")
+        .subtitle("0")
+        .build();
+    let saturation_scale = gtk::Scale::with_range(gtk::Orientation::Horizontal, -100.0, 100.0, 1.0);
+    saturation_scale.set_value(0.0);
+    saturation_scale.set_hexpand(true);
+    saturation_scale.set_valign(gtk::Align::Center);
+    saturation_scale.set_size_request(200, -1);
+    saturation_scale.set_draw_value(false);
+    let sat_label = saturation_row.clone();
+    saturation_scale.connect_value_changed(move |scale| {
+        sat_label.set_subtitle(&format!("{:.0}", scale.value()));
+    });
+    saturation_row.add_suffix(&saturation_scale);
+    advanced_expander.add_row(&saturation_row);
+
+    // Sharpen after resize
+    let sharpen_row = adw::SwitchRow::builder()
+        .title("Sharpen after resize")
+        .subtitle("Apply subtle sharpening to resized images")
+        .active(false)
+        .build();
+    advanced_expander.add_row(&sharpen_row);
+
+    // Grayscale
+    let grayscale_row = adw::SwitchRow::builder()
+        .title("Grayscale")
+        .subtitle("Convert images to black and white")
+        .active(false)
+        .build();
+    advanced_expander.add_row(&grayscale_row);
+
+    // Sepia
+    let sepia_row = adw::SwitchRow::builder()
+        .title("Sepia")
+        .subtitle("Apply a warm vintage tone")
+        .active(false)
+        .build();
+    advanced_expander.add_row(&sepia_row);
+
+    advanced_group.add(&advanced_expander);
+    content.append(&advanced_group);
 
     drop(cfg);
 
diff --git a/pixstrip-gtk/src/steps/step_compress.rs b/pixstrip-gtk/src/steps/step_compress.rs
index 54e313f..a34fd4d 100644
--- a/pixstrip-gtk/src/steps/step_compress.rs
+++ b/pixstrip-gtk/src/steps/step_compress.rs
@@ -106,9 +106,23 @@ pub fn build_compress_page(state: &AppState) -> adw::NavigationPage {
         .adjustment(&gtk::Adjustment::new(cfg.webp_quality as f64, 1.0, 100.0, 1.0, 10.0, 0.0))
         .build();
 
+    let avif_row = adw::SpinRow::builder()
+        .title("AVIF Quality")
+        .subtitle("1-100, higher is better quality")
+        .adjustment(&gtk::Adjustment::new(50.0, 1.0, 100.0, 1.0, 10.0, 0.0))
+        .build();
+
+    let progressive_row = adw::SwitchRow::builder()
+        .title("Progressive JPEG")
+        .subtitle("Loads gradually, slightly larger files")
+        .active(false)
+        .build();
+
     advanced_expander.add_row(&jpeg_row);
+    advanced_expander.add_row(&progressive_row);
     advanced_expander.add_row(&png_row);
     advanced_expander.add_row(&webp_row);
+    advanced_expander.add_row(&avif_row);
 
     advanced_group.add(&advanced_expander);
     content.append(&advanced_group);