diff --git a/frontend/src/stores/labels.ts b/frontend/src/stores/labels.ts
index 1890b0c..f64a182 100644
--- a/frontend/src/stores/labels.ts
+++ b/frontend/src/stores/labels.ts
@@ -47,6 +47,19 @@ export const useLabelsStore = defineStore("labels", () => {
   }
 
   async function remove(id: string): Promise<void> {
+    // Labels have no trash of their own — a label is organization, not content, so
+    // the reversible middle step notes get would be ceremony. But deleting one is
+    // still irreversible and now reaches every synced device, so it asks first. The
+    // notes themselves survive; only the membership goes, which is the part people
+    // most need reassuring about.
+    const label = items.value.find((lb) => lb.id === id);
+    const subject = label ? `the label "${label.name}"` : "this label";
+    const confirmed = window.confirm(
+      `Delete ${subject}?\n\n` +
+        "It will be removed from every note that uses it, on every device you sync " +
+        "with. The notes themselves are kept.",
+    );
+    if (!confirmed) return;
     await repo.labels.remove(id);
     items.value = items.value.filter((lb) => lb.id !== id);
   }
diff --git a/frontend/src/stores/notes.ts b/frontend/src/stores/notes.ts
index ed54ad7..4a73525 100644
--- a/frontend/src/stores/notes.ts
+++ b/frontend/src/stores/notes.ts
@@ -249,6 +249,18 @@ export const useNotesStore = defineStore("notes", () => {
   }
 
   async function deleteForever(id: string): Promise<void> {
+    // Guarded HERE rather than at the call sites (NoteCard and NoteEditor both offer
+    // it) so the two can't drift on the one action with no undo. Trash is the
+    // reversible step and already offers Undo; this is the point of no return — and
+    // since sync propagates a tombstone, it reaches every linked device too.
+    const note = items.value.find((n) => n.id === id);
+    const title = note?.display_title.trim();
+    const subject = title ? `"${title}"` : "this note";
+    const confirmed = window.confirm(
+      `Permanently delete ${subject}?\n\n` +
+        "This can't be undone, and it will be deleted from every device you sync with.",
+    );
+    if (!confirmed) return;
     await repo.notes.deleteForever(id);
     const idx = items.value.findIndex((n) => n.id === id);
     if (idx >= 0) items.value.splice(idx, 1);