diff --git a/packages/annotator/src/lib/Keys.ts b/packages/annotator/src/lib/Keys.ts
index d9a4d1a78..a38f3a762 100644
--- a/packages/annotator/src/lib/Keys.ts
+++ b/packages/annotator/src/lib/Keys.ts
@@ -501,11 +501,9 @@ export default class Keys {
         if (e.ctrlKey || e.metaKey) {
           if (e.key === "c") {
             this.annotator.onCopyText();
-          }
-          if (e.key === "v") {
+          } else if (e.key === "v") {
             this.annotator.onPasteText();
-          }
-          if (e.key === "x") {
+          } else if (e.key === "x") {
             if (this.text.mode === EditMode.RAW) {
               this.annotator.onCopyText();
               const area = this.cursor.getSelectedArea();
@@ -518,6 +516,17 @@ export default class Keys {
                 );
               }
             }
+          } else if (e.key === "a") {
+            this.cursor.selectStart = {
+              yLine: 0,
+              xLine: 0,
+            }
+            
+            const lastSegment = this.text.segments[this.text.segments.length - 1];
+            this.cursor.selectEnd = {
+              xLine: lastSegment.lines[lastSegment.lines.length - 1].length,
+              yLine: lastSegment.lineEnd
+            }
           }
           break;
         }