diff --git a/lib/consts.dart b/lib/consts.dart
index e598db62..f8f9f97c 100644
--- a/lib/consts.dart
+++ b/lib/consts.dart
@@ -48,6 +48,7 @@ const kHintOpacity = 0.6;
 const kForegroundOpacity = 0.05;
 
 const kTextStyleButton = TextStyle(fontWeight: FontWeight.bold);
+const kTextStyleButtonSmall = TextStyle(fontSize: 12);
 const kFormDataButtonLabelTextStyle = TextStyle(
   fontSize: 12,
   fontWeight: FontWeight.w600,
diff --git a/lib/widgets/json_previewer.dart b/lib/widgets/json_previewer.dart
index 3056b23c..078a9721 100644
--- a/lib/widgets/json_previewer.dart
+++ b/lib/widgets/json_previewer.dart
@@ -181,17 +181,26 @@ class _JsonPreviewerState extends State<JsonPreviewer> {
                         onPressed: () async {
                           await _copy(kEncoder.convert(widget.code), sm);
                         },
-                        child: const Text('Copy'),
+                        child: const Text(
+                          'Copy',
+                          style: kTextStyleButtonSmall,
+                        ),
                       ),
                       TextButton(
                         onPressed:
                             state.areAllExpanded() ? null : state.expandAll,
-                        child: const Text('Expand All'),
+                        child: const Text(
+                          'Expand All',
+                          style: kTextStyleButtonSmall,
+                        ),
                       ),
                       TextButton(
                         onPressed:
                             state.areAllCollapsed() ? null : state.collapseAll,
-                        child: const Text('Collapse All'),
+                        child: const Text(
+                          'Collapse All',
+                          style: kTextStyleButtonSmall,
+                        ),
                       ),
                     ],
                   ),