diff --git a/common/src/main/java/bisq/common/util/Utilities.java b/common/src/main/java/bisq/common/util/Utilities.java
index 426dcb162b..a2b90f816e 100644
--- a/common/src/main/java/bisq/common/util/Utilities.java
+++ b/common/src/main/java/bisq/common/util/Utilities.java
@@ -40,6 +40,8 @@ import javafx.scene.input.KeyCodeCombination;
 import javafx.scene.input.KeyCombination;
 import javafx.scene.input.KeyEvent;
 
+import java.text.DecimalFormat;
+
 import java.net.URI;
 import java.net.URISyntaxException;
 
@@ -523,4 +525,11 @@ public class Utilities {
         return t -> map.putIfAbsent(keyExtractor.apply(t), Boolean.TRUE) == null;
     }
 
+    public static String readableFileSize(long size) {
+        if (size <= 0) return "0";
+        String[] units = new String[]{"B", "kB", "MB", "GB", "TB"};
+        int digitGroups = (int) (Math.log10(size) / Math.log10(1024));
+        return new DecimalFormat("#,##0.###").format(size / Math.pow(1024, digitGroups)) + " " + units[digitGroups];
+    }
+
 }