diff --git a/app/src/main/java/nodomain/freeyourgadget/gadgetbridge/activities/ActivitySummaryDetail.java b/app/src/main/java/nodomain/freeyourgadget/gadgetbridge/activities/ActivitySummaryDetail.java
index 658868044..fbf168a94 100644
--- a/app/src/main/java/nodomain/freeyourgadget/gadgetbridge/activities/ActivitySummaryDetail.java
+++ b/app/src/main/java/nodomain/freeyourgadget/gadgetbridge/activities/ActivitySummaryDetail.java
@@ -68,6 +68,7 @@ import java.io.File;
 import java.io.FileFilter;
 import java.io.FileOutputStream;
 import java.io.IOException;
+import java.nio.charset.StandardCharsets;
 import java.util.ArrayList;
 import java.util.Arrays;
 import java.util.Comparator;
@@ -530,6 +531,9 @@ public class ActivitySummaryDetail extends AbstractGBActivity {
         } else if (itemId == R.id.activity_action_dev_share_raw_details) {
             shareRawDetails(ActivitySummaryDetail.this, currentItem);
             return true;
+        } else if (itemId == R.id.activity_action_dev_share_json_details) {
+            shareJsonDetails(ActivitySummaryDetail.this, currentItem);
+            return true;
         }
         return super.onOptionsItemSelected(item);
     }
@@ -627,6 +631,21 @@ public class ActivitySummaryDetail extends AbstractGBActivity {
         }
     }
 
+    private static void shareJsonDetails(final Context context, final BaseActivitySummary summary) {
+        if (summary.getSummaryData() == null) {
+            GB.toast(context, "No json details in this activity", Toast.LENGTH_LONG, GB.WARN);
+            return;
+        }
+
+        final String jsonSummaryFilename = FileUtils.makeValidFileName(String.format("%s.json", DateTimeUtils.formatIso8601(summary.getStartTime())));
+
+        try {
+            AndroidUtils.shareBytesAsFile(context, jsonSummaryFilename, summary.getSummaryData().getBytes(StandardCharsets.UTF_8));
+        } catch (final Exception e) {
+            GB.toast(context, "Unable to share json details: " + e.getMessage(), Toast.LENGTH_LONG, GB.ERROR, e);
+        }
+    }
+
     private void updateMenuItems() {
         boolean hasGpx = false;
         boolean hasRawSummary = false;
diff --git a/app/src/main/res/menu/activity_take_screenshot_menu.xml b/app/src/main/res/menu/activity_take_screenshot_menu.xml
index 45272b70b..4b972a5d4 100644
--- a/app/src/main/res/menu/activity_take_screenshot_menu.xml
+++ b/app/src/main/res/menu/activity_take_screenshot_menu.xml
@@ -43,6 +43,11 @@
                         android:id="@+id/activity_action_dev_share_raw_details"
                         android:title="@string/activity_detail_share_raw_details"
                         app:showAsAction="never" />
+
+                    <item
+                        android:id="@+id/activity_action_dev_share_json_details"
+                        android:title="@string/activity_detail_share_json_details"
+                        app:showAsAction="never" />
                 </menu>
             </item>
 
diff --git a/app/src/main/res/values/strings.xml b/app/src/main/res/values/strings.xml
index fb99e41cf..e4a673018 100644
--- a/app/src/main/res/values/strings.xml
+++ b/app/src/main/res/values/strings.xml
@@ -2286,6 +2286,7 @@
     <string name="activity_detail_share_gps_label">Share GPS Track</string>
     <string name="activity_detail_share_raw_summary">Share Raw Summary</string>
     <string name="activity_detail_share_raw_details">Share Raw Details</string>
+    <string name="activity_detail_share_json_details">Share JSON Details</string>
     <string name="gps_track">GPS track</string>
     <string name="dev_tools">Dev Tools</string>
     <!-- Device Actions Preferences -->