diff --git a/core/test/src/com/google/zxing/oned/rss/expanded/RSSExpandedImage2binaryTestCase.java b/core/test/src/com/google/zxing/oned/rss/expanded/RSSExpandedImage2binaryTestCase.java
index 7780be3bc..1696f92e9 100644
--- a/core/test/src/com/google/zxing/oned/rss/expanded/RSSExpandedImage2binaryTestCase.java
+++ b/core/test/src/com/google/zxing/oned/rss/expanded/RSSExpandedImage2binaryTestCase.java
@@ -51,7 +51,7 @@ public final class RSSExpandedImage2binaryTestCase extends Assert {
   @Test
   public void testDecodeRow2binary_1() throws Exception {
     // (11)100224(17)110224(3102)000100
-    String path = "test/data/blackbox/rssexpanded-1/1.jpg";
+    String path = "test/data/blackbox/rssexpanded-1/1.png";
     String expected = " ...X...X .X....X. .XX...X. X..X...X ...XX.X. ..X.X... ..X.X..X ...X..X. X.X....X .X....X. .....X.. X...X...";
 
     assertCorrectImage2binary(path, expected);
@@ -60,7 +60,7 @@ public final class RSSExpandedImage2binaryTestCase extends Assert {
   @Test
   public void testDecodeRow2binary_2() throws Exception {
     // (01)90012345678908(3103)001750
-    String path = "test/data/blackbox/rssexpanded-1/2.jpg";
+    String path = "test/data/blackbox/rssexpanded-1/2.png";
     String expected = " ..X..... ......X. .XXX.X.X .X...XX. XXXXX.XX XX.X.... .XX.XX.X .XX.";
 
     assertCorrectImage2binary(path, expected);
@@ -70,7 +70,7 @@ public final class RSSExpandedImage2binaryTestCase extends Assert {
   @Test
   public void testDecodeRow2binary_3() throws Exception {
     // (10)12A
-    String path = "test/data/blackbox/rssexpanded-1/3.jpg";
+    String path = "test/data/blackbox/rssexpanded-1/3.png";
     String expected = " .......X ..XX..X. X.X....X .......X ....";
 
     assertCorrectImage2binary(path, expected);
@@ -79,7 +79,7 @@ public final class RSSExpandedImage2binaryTestCase extends Assert {
   @Test
   public void testDecodeRow2binary_4() throws Exception {
     // (01)98898765432106(3202)012345(15)991231
-    String path = "test/data/blackbox/rssexpanded-1/4.jpg";
+    String path = "test/data/blackbox/rssexpanded-1/4.png";
     String expected = " ..XXXX.X XX.XXXX. .XXX.XX. XX..X... .XXXXX.. XX.X..X. ..XX..XX XX.X.XXX X..XX..X .X.XXXXX XXXX";
 
     assertCorrectImage2binary(path, expected);
@@ -88,7 +88,7 @@ public final class RSSExpandedImage2binaryTestCase extends Assert {
   @Test
   public void testDecodeRow2binary_5() throws Exception {
     // (01)90614141000015(3202)000150
-    String path = "test/data/blackbox/rssexpanded-1/5.jpg";
+    String path = "test/data/blackbox/rssexpanded-1/5.png";
     String expected = " ..X.X... .XXXX.X. XX..XXXX ....XX.. X....... ....X... ....X..X .XX.";
 
     assertCorrectImage2binary(path, expected);
@@ -117,7 +117,7 @@ public final class RSSExpandedImage2binaryTestCase extends Assert {
     // (01)98898765432106(3103)001750
 
     String expected = " ..X..XX. XXXX..XX X.XX.XX. .X....XX XXX..XX. X..X.... .XX.XX.X .XX.";
-    String path = "test/data/blackbox/rssexpanded-1/12.jpg";
+    String path = "test/data/blackbox/rssexpanded-1/12.png";
 
     assertCorrectImage2binary(path, expected);
   }
@@ -147,7 +147,7 @@ public final class RSSExpandedImage2binaryTestCase extends Assert {
     // (01)90012345678908(3102)001750(11)100312
 
     String expected = " ..XXX... ........ .X..XXX. X.X.X... XX.XXXXX .XXXX.X. ..XX...X .X.....X .XX..... XXXX.X.. XX..";
-    String path = "test/data/blackbox/rssexpanded-1/15.jpg";
+    String path = "test/data/blackbox/rssexpanded-1/15.png";
 
     assertCorrectImage2binary(path, expected);
   }
@@ -157,7 +157,7 @@ public final class RSSExpandedImage2binaryTestCase extends Assert {
     // (01)90012345678908(3202)001750(11)100312
 
     String expected = " ..XXX..X ........ .X..XXX. X.X.X... XX.XXXXX .XXXX.X. ..XX...X .X.....X .XX..... XXXX.X.. XX..";
-    String path = "test/data/blackbox/rssexpanded-1/16.jpg";
+    String path = "test/data/blackbox/rssexpanded-1/16.png";
 
     assertCorrectImage2binary(path, expected);
   }
@@ -167,7 +167,7 @@ public final class RSSExpandedImage2binaryTestCase extends Assert {
     // (01)90012345678908(3102)001750(13)100312
 
     String expected = " ..XXX.X. ........ .X..XXX. X.X.X... XX.XXXXX .XXXX.X. ..XX...X .X.....X .XX..... XXXX.X.. XX..";
-    String path = "test/data/blackbox/rssexpanded-1/17.jpg";
+    String path = "test/data/blackbox/rssexpanded-1/17.png";
 
     assertCorrectImage2binary(path, expected);
   }
@@ -177,7 +177,7 @@ public final class RSSExpandedImage2binaryTestCase extends Assert {
     // (01)90012345678908(3202)001750(13)100312
 
     String expected = " ..XXX.XX ........ .X..XXX. X.X.X... XX.XXXXX .XXXX.X. ..XX...X .X.....X .XX..... XXXX.X.. XX..";
-    String path = "test/data/blackbox/rssexpanded-1/18.jpg";
+    String path = "test/data/blackbox/rssexpanded-1/18.png";
 
     assertCorrectImage2binary(path, expected);
   }
@@ -187,7 +187,7 @@ public final class RSSExpandedImage2binaryTestCase extends Assert {
     // (01)90012345678908(3102)001750(15)100312
 
     String expected = " ..XXXX.. ........ .X..XXX. X.X.X... XX.XXXXX .XXXX.X. ..XX...X .X.....X .XX..... XXXX.X.. XX..";
-    String path = "test/data/blackbox/rssexpanded-1/19.jpg";
+    String path = "test/data/blackbox/rssexpanded-1/19.png";
 
     assertCorrectImage2binary(path, expected);
   }
@@ -197,7 +197,7 @@ public final class RSSExpandedImage2binaryTestCase extends Assert {
     // (01)90012345678908(3202)001750(15)100312
 
     String expected = " ..XXXX.X ........ .X..XXX. X.X.X... XX.XXXXX .XXXX.X. ..XX...X .X.....X .XX..... XXXX.X.. XX..";
-    String path = "test/data/blackbox/rssexpanded-1/20.jpg";
+    String path = "test/data/blackbox/rssexpanded-1/20.png";
 
     assertCorrectImage2binary(path, expected);
   }
@@ -207,7 +207,7 @@ public final class RSSExpandedImage2binaryTestCase extends Assert {
     // (01)90012345678908(3102)001750(17)100312
 
     String expected = " ..XXXXX. ........ .X..XXX. X.X.X... XX.XXXXX .XXXX.X. ..XX...X .X.....X .XX..... XXXX.X.. XX..";
-    String path = "test/data/blackbox/rssexpanded-1/21.jpg";
+    String path = "test/data/blackbox/rssexpanded-1/21.png";
 
     assertCorrectImage2binary(path, expected);
   }
@@ -217,7 +217,7 @@ public final class RSSExpandedImage2binaryTestCase extends Assert {
     // (01)90012345678908(3202)001750(17)100312
 
     String expected = " ..XXXXXX ........ .X..XXX. X.X.X... XX.XXXXX .XXXX.X. ..XX...X .X.....X .XX..... XXXX.X.. XX..";
-    String path = "test/data/blackbox/rssexpanded-1/22.jpg";
+    String path = "test/data/blackbox/rssexpanded-1/22.png";
 
     assertCorrectImage2binary(path, expected);
   }
diff --git a/core/test/src/com/google/zxing/oned/rss/expanded/RSSExpandedImage2resultTestCase.java b/core/test/src/com/google/zxing/oned/rss/expanded/RSSExpandedImage2resultTestCase.java
index 06ad313e5..c513b6803 100644
--- a/core/test/src/com/google/zxing/oned/rss/expanded/RSSExpandedImage2resultTestCase.java
+++ b/core/test/src/com/google/zxing/oned/rss/expanded/RSSExpandedImage2resultTestCase.java
@@ -62,7 +62,7 @@ public final class RSSExpandedImage2resultTestCase extends Assert {
   @Test
   public void testDecodeRow2result_2() throws Exception {
     // (01)90012345678908(3103)001750
-    String path = "test/data/blackbox/rssexpanded-1/2.jpg";
+    String path = "test/data/blackbox/rssexpanded-1/2.png";
     ExpandedProductParsedResult expected =
         new ExpandedProductParsedResult("(01)90012345678908(3103)001750",
                                         "90012345678908",
diff --git a/core/test/src/com/google/zxing/oned/rss/expanded/RSSExpandedImage2stringTestCase.java b/core/test/src/com/google/zxing/oned/rss/expanded/RSSExpandedImage2stringTestCase.java
index f1df201e0..c04cba5a2 100644
--- a/core/test/src/com/google/zxing/oned/rss/expanded/RSSExpandedImage2stringTestCase.java
+++ b/core/test/src/com/google/zxing/oned/rss/expanded/RSSExpandedImage2stringTestCase.java
@@ -51,7 +51,7 @@ public final class RSSExpandedImage2stringTestCase extends Assert {
 
   @Test
   public void testDecodeRow2string_1() throws Exception {
-    String path = "test/data/blackbox/rssexpanded-1/1.jpg";
+    String path = "test/data/blackbox/rssexpanded-1/1.png";
     String expected = "(11)100224(17)110224(3102)000100";
 
     assertCorrectImage2string(path, expected);
@@ -59,7 +59,7 @@ public final class RSSExpandedImage2stringTestCase extends Assert {
 
   @Test
   public void testDecodeRow2string_2() throws Exception {
-    String path = "test/data/blackbox/rssexpanded-1/2.jpg";
+    String path = "test/data/blackbox/rssexpanded-1/2.png";
     String expected = "(01)90012345678908(3103)001750";
 
     assertCorrectImage2string(path, expected);
@@ -67,7 +67,7 @@ public final class RSSExpandedImage2stringTestCase extends Assert {
 
   @Test
   public void testDecodeRow2string_3() throws Exception {
-    String path = "test/data/blackbox/rssexpanded-1/3.jpg";
+    String path = "test/data/blackbox/rssexpanded-1/3.png";
     String expected = "(10)12A";
 
     assertCorrectImage2string(path, expected);
@@ -75,7 +75,7 @@ public final class RSSExpandedImage2stringTestCase extends Assert {
 
   @Test
   public void testDecodeRow2string_4() throws Exception {
-    String path = "test/data/blackbox/rssexpanded-1/4.jpg";
+    String path = "test/data/blackbox/rssexpanded-1/4.png";
     String expected = "(01)98898765432106(3202)012345(15)991231";
 
     assertCorrectImage2string(path, expected);
@@ -83,7 +83,7 @@ public final class RSSExpandedImage2stringTestCase extends Assert {
 
   @Test
   public void testDecodeRow2string_5() throws Exception {
-    String path = "test/data/blackbox/rssexpanded-1/5.jpg";
+    String path = "test/data/blackbox/rssexpanded-1/5.png";
     String expected = "(01)90614141000015(3202)000150";
 
     assertCorrectImage2string(path, expected);
@@ -116,7 +116,7 @@ public final class RSSExpandedImage2stringTestCase extends Assert {
   @Test
   public void testDecodeRow2string_12() throws Exception {
     String expected = "(01)98898765432106(3103)001750";
-    String path = "test/data/blackbox/rssexpanded-1/12.jpg";
+    String path = "test/data/blackbox/rssexpanded-1/12.png";
 
     assertCorrectImage2string(path, expected);
   }
@@ -140,7 +140,7 @@ public final class RSSExpandedImage2stringTestCase extends Assert {
   @Test
   public void testDecodeRow2string_15() throws Exception {
     String expected = "(01)90012345678908(3102)001750(11)100312";
-    String path = "test/data/blackbox/rssexpanded-1/15.jpg";
+    String path = "test/data/blackbox/rssexpanded-1/15.png";
 
     assertCorrectImage2string(path, expected);
   }
@@ -148,7 +148,7 @@ public final class RSSExpandedImage2stringTestCase extends Assert {
   @Test
   public void testDecodeRow2string_16() throws Exception {
     String expected = "(01)90012345678908(3202)001750(11)100312";
-    String path = "test/data/blackbox/rssexpanded-1/16.jpg";
+    String path = "test/data/blackbox/rssexpanded-1/16.png";
 
     assertCorrectImage2string(path, expected);
   }
@@ -156,7 +156,7 @@ public final class RSSExpandedImage2stringTestCase extends Assert {
   @Test
   public void testDecodeRow2string_17() throws Exception {
     String expected = "(01)90012345678908(3102)001750(13)100312";
-    String path = "test/data/blackbox/rssexpanded-1/17.jpg";
+    String path = "test/data/blackbox/rssexpanded-1/17.png";
 
     assertCorrectImage2string(path, expected);
   }
@@ -164,7 +164,7 @@ public final class RSSExpandedImage2stringTestCase extends Assert {
   @Test
   public void testDecodeRow2string_18() throws Exception {
     String expected = "(01)90012345678908(3202)001750(13)100312";
-    String path = "test/data/blackbox/rssexpanded-1/18.jpg";
+    String path = "test/data/blackbox/rssexpanded-1/18.png";
 
     assertCorrectImage2string(path, expected);
   }
@@ -172,7 +172,7 @@ public final class RSSExpandedImage2stringTestCase extends Assert {
   @Test
   public void testDecodeRow2string_19() throws Exception {
     String expected = "(01)90012345678908(3102)001750(15)100312";
-    String path = "test/data/blackbox/rssexpanded-1/19.jpg";
+    String path = "test/data/blackbox/rssexpanded-1/19.png";
 
     assertCorrectImage2string(path, expected);
   }
@@ -180,7 +180,7 @@ public final class RSSExpandedImage2stringTestCase extends Assert {
   @Test
   public void testDecodeRow2string_20() throws Exception {
     String expected = "(01)90012345678908(3202)001750(15)100312";
-    String path = "test/data/blackbox/rssexpanded-1/20.jpg";
+    String path = "test/data/blackbox/rssexpanded-1/20.png";
 
     assertCorrectImage2string(path, expected);
   }
@@ -188,7 +188,7 @@ public final class RSSExpandedImage2stringTestCase extends Assert {
   @Test
   public void testDecodeRow2string_21() throws Exception {
     String expected = "(01)90012345678908(3102)001750(17)100312";
-    String path = "test/data/blackbox/rssexpanded-1/21.jpg";
+    String path = "test/data/blackbox/rssexpanded-1/21.png";
 
     assertCorrectImage2string(path, expected);
   }
@@ -196,7 +196,7 @@ public final class RSSExpandedImage2stringTestCase extends Assert {
   @Test
   public void testDecodeRow2string_22() throws Exception {
     String expected = "(01)90012345678908(3202)001750(17)100312";
-    String path = "test/data/blackbox/rssexpanded-1/22.jpg";
+    String path = "test/data/blackbox/rssexpanded-1/22.png";
 
     assertCorrectImage2string(path, expected);
   }
diff --git a/core/test/src/com/google/zxing/oned/rss/expanded/RSSExpandedInternalTestCase.java b/core/test/src/com/google/zxing/oned/rss/expanded/RSSExpandedInternalTestCase.java
index 6b8d813ee..9bc796983 100644
--- a/core/test/src/com/google/zxing/oned/rss/expanded/RSSExpandedInternalTestCase.java
+++ b/core/test/src/com/google/zxing/oned/rss/expanded/RSSExpandedInternalTestCase.java
@@ -54,7 +54,7 @@ public final class RSSExpandedInternalTestCase extends Assert {
   public void testFindFinderPatterns() throws Exception {
     RSSExpandedReader rssExpandedReader = new RSSExpandedReader();
 
-    String path = "test/data/blackbox/rssexpanded-1/2.jpg";
+    String path = "test/data/blackbox/rssexpanded-1/2.png";
     File file = new File(path);
     if (!file.exists()) {
       // Support running from project root too
@@ -98,7 +98,7 @@ public final class RSSExpandedInternalTestCase extends Assert {
   public void testRetrieveNextPairPatterns() throws Exception {
     RSSExpandedReader rssExpandedReader = new RSSExpandedReader();
 
-    String path = "test/data/blackbox/rssexpanded-1/3.jpg";
+    String path = "test/data/blackbox/rssexpanded-1/3.png";
     File file = new File(path);
     if (!file.exists()) {
       // Support running from project root too
@@ -128,7 +128,7 @@ public final class RSSExpandedInternalTestCase extends Assert {
   public void testDecodeCheckCharacter() throws Exception {
     RSSExpandedReader rssExpandedReader = new RSSExpandedReader();
 
-    String path = "test/data/blackbox/rssexpanded-1/3.jpg";
+    String path = "test/data/blackbox/rssexpanded-1/3.png";
     File file = new File(path);
     if (!file.exists()) {
       // Support running from project root too
@@ -152,7 +152,7 @@ public final class RSSExpandedInternalTestCase extends Assert {
   public void testDecodeDataCharacter() throws Exception {
     RSSExpandedReader rssExpandedReader = new RSSExpandedReader();
 
-    String path = "test/data/blackbox/rssexpanded-1/3.jpg";
+    String path = "test/data/blackbox/rssexpanded-1/3.png";
     File file = new File(path);
     if (!file.exists()) {
       // Support running from project root too