diff --git a/PlaningDeTavail.md b/PlaningDeTavail.md
index 53a8441..55c0985 100644
--- a/PlaningDeTavail.md
+++ b/PlaningDeTavail.md
@@ -85,7 +85,7 @@ Objectif : Écriture du format `.pif` + finalisation convertisseur
 |------------|---------|--------|-----|-------------|
 | US-D2      | AA      | TODO   | 🟥 | Vérifier BitOutputStream avec flux réel |
 | US-C5      | AD      | DOING  | 🟨 | Implémenter PIFWriter (header + tables + pixels compressés) |
-| US-U6      | AD      | TODO   | 🟥 | Exporter une image en `.pif` |
+| US-U6      | AD      | DOING  | 🟨 | Exporter une image en `.pif` |
 | US-P1      | AA      | TODO   | 🟥 | Finaliser affichage des fréquences |
 | US-P2      | AA      | TODO   | 🟥 | Finaliser affichage codes Huffman |
 | US-P3      | AA      | TODO   | 🟥 | Finaliser affichage codes canoniques |
diff --git a/makefile b/makefile
index 3c959df..8420b0e 100644
--- a/makefile
+++ b/makefile
@@ -45,6 +45,36 @@ $(BIN):
 $(DOC):
 	mkdir -p $(DOC)
 
+#Compilation des classe de mhuffman
+$(BIN)/$(PKG_PATH)/mhuffman/CanonicalCode.class: $(BIN) \
+	$(SRC)/$(PKG_PATH)/mhuffman/CanonicalCode.java
+	$(JAVAC) -cp $(BIN) -d $(BIN) $(SRC)/$(PKG_PATH)/mhuffman/CanonicalCode.java
+	
+$(BIN)/$(PKG_PATH)/mhuffman/FrequencyTable.class: $(BIN) \
+	$(BIN)/$(PKG_PATH)/mimage/RGBImage.class \
+	$(SRC)/$(PKG_PATH)/mhuffman/FrequencyTable.java
+	$(JAVAC) -cp $(BIN) -d $(BIN) $(SRC)/$(PKG_PATH)/mhuffman/FrequencyTable.java
+
+$(BIN)/$(PKG_PATH)/mhuffman/HuffmanTree.class: $(BIN) \
+	$(BIN)/$(PKG_PATH)/mhuffman/HuffmanNode.class \
+	$(BIN)/$(PKG_PATH)/mhuffman/HuffmanTree.java
+	$(JAVAC) -cp $(BIN) -d $(BIN) $(SRC)/$(PKG_PATH)/mhuffman/HuffmanTree.java
+
+$(BIN)/$(PKG_PATH)/mhuffman/HuffmanNode.class: $(BIN) \
+	$(SRC)/$(PKG_PATH)/mhuffman/HuffmanNode.java
+	$(JAVAC) -cp $(BIN) -d $(BIN) $(SRC)/$(PKG_PATH)/mhuffman/HuffmanNode.java
+
+
+# Compilation des classe mimages
+$(BIN)/$(PKG_PATH)/mimage/RGBImage.class: $(BIN) \
+	$(BIN)/$(PKG_PATH)/mimage/Pixel.class \
+	$(BIN)/$(PKG_PATH)/mimage/RGBImage.java
+	$(JAVAC) -cp $(BIN) -d $(BIN) $(SRC)/$(PKG_PATH)/mimage/RGBImage.java
+
+$(BIN)/$(PKG_PATH)/mimage/Pixel.class: $(BIN) \
+	$(SRC)/$(PKG_PATH)/mimage/Pixel.java
+	$(JAVAC) -cp $(BIN) -d $(BIN) $(SRC)/$(PKG_PATH)/mimage/Pixel.java
+
 #Compilation de l'interface graphique je compile converterWindow
 $(BIN)/$(PKG_PATH)/vconverter/ConverterWindow.class: $(BIN) \
 	$(BIN)/$(PKG_PATH)/vconverter/ImagePreviewPanel.class \
@@ -58,34 +88,33 @@ $(BIN)/$(PKG_PATH)/vconverter/ConverterWindow.class: $(BIN) \
 $(BIN)/$(PKG_PATH)/vconverter/ImagePreviewPanel.class: $(BIN) \
 	$(SRC)/$(PKG_PATH)/vconverter/ImagePreviewPanel.java
 	$(JAVAC) -cp $(BIN) -d $(BIN) $(SRC)/$(PKG_PATH)/vconverter/ImagePreviewPanel.java
-
 $(BIN)/$(PKG_PATH)/vconverter/FrequencyTablePanel.class: $(BIN) \
 	$(SRC)/$(PKG_PATH)/vconverter/FrequencyTablePanel.java
 	$(JAVAC) -cp $(BIN) -d $(BIN) $(SRC)/$(PKG_PATH)/vconverter/FrequencyTablePanel.java
-
 $(BIN)/$(PKG_PATH)/vconverter/CodeTablePanel.class: $(BIN) \
 	$(SRC)/$(PKG_PATH)/vconverter/CodeTablePanel.java
 	$(JAVAC) -cp $(BIN) -d $(BIN) $(SRC)/$(PKG_PATH)/vconverter/CodeTablePanel.java
 
 
+# Compilation des classes mpif 
+
+
 #Compilation des classes util
 $(BIN)/$(PKG_PATH)/util/Config.class: $(BIN) \
 	$(SRC)/$(PKG_PATH)/util/Config.java
 	$(JAVAC) -cp $(BIN) -d $(BIN) $(SRC)/$(PKG_PATH)/util/Config.java
-
 $(BIN)/$(PKG_PATH)/util/ByteUtils.class: $(BIN) \
 	$(SRC)/$(PKG_PATH)/util/ByteUtils.java
 	$(JAVAC) -cp $(BIN) -d $(BIN) $(SRC)/$(PKG_PATH)/util/ByteUtils.java
-
 $(BIN)/$(PKG_PATH)/util/BitInputStream.class: $(BIN) \
 	$(SRC)/$(PKG_PATH)/util/BitInputStream.java
 	$(JAVAC) -cp $(BIN) -d $(BIN) $(SRC)/$(PKG_PATH)/util/BitInputStream.java
-
 $(BIN)/$(PKG_PATH)/util/BitOutputStream.class: $(BIN) \
 	$(SRC)/$(PKG_PATH)/util/BitOutputStream.java
 	$(JAVAC) -cp $(BIN) -d $(BIN) $(SRC)/$(PKG_PATH)/util/BitOutputStream.java
 
 
+
 # Exécution 
 run-conv: all
 	$(JAVA) -cp $(BIN) $(MAIN_CONVERTER)
diff --git a/src/fr/iutfbleau/sae/ConverterController.java b/src/fr/iutfbleau/sae/ConverterController.java
index b1698d2..49360c0 100644
--- a/src/fr/iutfbleau/sae/ConverterController.java
+++ b/src/fr/iutfbleau/sae/ConverterController.java
@@ -15,9 +15,10 @@ public class ConverterController {
         BufferedImage image;
         try {
             image = ImageIO.read(f);
-        } catch (IOExeption e){
+        } catch (IOException e){
             return null;
         }
         return image;
     
+    }
 }
diff --git a/src/fr/iutfbleau/sae/mpif/PIFWriter.java b/src/fr/iutfbleau/sae/mpif/PIFWriter.java
new file mode 100644
index 0000000..c31139e
--- /dev/null
+++ b/src/fr/iutfbleau/sae/mpif/PIFWriter.java
@@ -0,0 +1,18 @@
+package fr.iutfbleau.sae.mpif;
+import fr.iutfbleau.sae.util.bitOutputStream;
+public class PIFWriter {
+    
+
+
+    public void writeHeader(bitOutputStream out,int width, int height){
+        
+    }
+
+    public void writeTables(bitOutputStream out, Map<Integer,Integer> canonicalCodes){
+        
+    }
+
+    public void encodePixels(bitOutputStream out){
+        
+    }
+}