diff --git a/crates/engine/src/project_panel.rs b/crates/engine/src/project_panel.rs
index 2588a7550..ea18581dd 100644
--- a/crates/engine/src/project_panel.rs
+++ b/crates/engine/src/project_panel.rs
@@ -17,6 +17,7 @@
 //! | `project.freeform.saveArrangement` / `.restoreArrangement` / `.arrangements` / `.deleteArrangement` | saved arrangements |
 //! | `project.freeform.options` | Freeform View Options… (grid, snap, names, durations) |
 //! | `project.renameBin` | rename a bin (inline rename, undoable) |
+//! | `project.selectAll` / `project.deselectAll` | select every item in the project / clear the Project panel selection (Cmd+A / Cmd+Shift+A with the panel focused) |
 
 use std::collections::BTreeMap;
 
@@ -1222,5 +1223,13 @@ pub(crate) fn commands() -> Vec<CommandSpec> {
             freeform_options,
         ),
         c("project.renameBin", "Rename Bin", r#"{"bin":binId,"name":str}"#, always, rename_bin),
+        c("project.selectAll", "Select All Project Items", "{}", always, |s, _| {
+            s.state.project_selection = s.project.items.keys().copied().collect();
+            Ok(json!({"selected": s.state.project_selection.len()}))
+        }),
+        c("project.deselectAll", "Deselect All Project Items", "{}", always, |s, _| {
+            s.state.project_selection.clear();
+            Ok(Value::Null)
+        }),
     ]
 }
diff --git a/crates/engine/src/project_panel_tests.rs b/crates/engine/src/project_panel_tests.rs
index f84cf4448..42d3c79e9 100644
--- a/crates/engine/src/project_panel_tests.rs
+++ b/crates/engine/src/project_panel_tests.rs
@@ -286,3 +286,22 @@ fn usage_counts_sequence_uses() {
     assert_eq!(text, (if v > 0 { v } else { a }).to_string());
     assert!(!matches!(it.kind, ItemKind::Graphic { .. }));
 }
+
+#[test]
+fn select_all_selects_every_project_item() {
+    let mut s = demo();
+    assert!(s.project.items.len() >= 3);
+    s.state.project_selection.clear();
+    let r = s.execute("project.selectAll", json!({})).unwrap();
+    assert_eq!(r["selected"].as_u64(), Some(s.project.items.len() as u64));
+    assert_eq!(s.state.project_selection.len(), s.project.items.len());
+    assert!(s.project.items.keys().all(|i| s.state.project_selection.contains(i)));
+    s.execute("project.deselectAll", json!({})).unwrap();
+    assert!(s.state.project_selection.is_empty());
+    // the timeline Select All still selects timeline clips and leaves the Project panel alone
+    s.execute("project.selectAll", json!({})).unwrap();
+    let before = s.state.project_selection.clone();
+    s.execute("edit.selectAll", json!({})).unwrap();
+    assert!(!s.state.selection.is_empty());
+    assert_eq!(s.state.project_selection, before);
+}
diff --git a/crates/ui-egui/src/lib.rs b/crates/ui-egui/src/lib.rs
index e7779a907..2d03d3d77 100644
--- a/crates/ui-egui/src/lib.rs
+++ b/crates/ui-egui/src/lib.rs
@@ -1001,7 +1001,11 @@ impl FilmcraftApp {
                 }
             }
         });
-        for id in fire {
+        for mut id in fire {
+            // Select All / Deselect All act on the Project panel's items when it has focus (#168).
+            if self.ui.focused == PanelKind::Project && matches!(id.as_str(), "edit.selectAll" | "edit.deselectAll") {
+                id = id.replacen("edit.", "project.", 1);
+            }
             // Mark In/Out in the Source monitor when it has focus.
             let params = if self.ui.focused == PanelKind::Source
                 && (matches!(id.as_str(), "markers.markIn" | "markers.markOut") || id.starts_with("markers.markSplit") || id.starts_with("markers.goToSplit"))