diff --git a/source/blender/editors/space_node/drawnode.c b/source/blender/editors/space_node/drawnode.c
index c1b888fcf83..a9e5e871669 100644
--- a/source/blender/editors/space_node/drawnode.c
+++ b/source/blender/editors/space_node/drawnode.c
@@ -707,12 +707,20 @@ static void node_composit_buts_crop(uiLayout *layout, bContext *C, PointerRNA *p
 	uiLayout *col;
 	
 	uiItemR(layout, ptr, "use_crop_size", 0, NULL, 0);
-	
+   uiItemR(layout, ptr, "relative", 0, NULL, 0);
+
 	col= uiLayoutColumn(layout, 1);
-	uiItemR(col, ptr, "min_x", 0, "Left", 0);
-	uiItemR(col, ptr, "max_x", 0, "Right", 0);
-	uiItemR(col, ptr, "min_y", 0, "Up", 0);
-	uiItemR(col, ptr, "max_y", 0, "Down", 0);
+   if (RNA_boolean_get(ptr, "relative")){
+      uiItemR(col, ptr, "rel_min_x", 0, "Left", 0);
+      uiItemR(col, ptr, "rel_max_x", 0, "Right", 0);
+      uiItemR(col, ptr, "rel_min_y", 0, "Up", 0);
+      uiItemR(col, ptr, "rel_max_y", 0, "Down", 0);
+   } else {
+      uiItemR(col, ptr, "min_x", 0, "Left", 0);
+      uiItemR(col, ptr, "max_x", 0, "Right", 0);
+      uiItemR(col, ptr, "min_y", 0, "Up", 0);
+      uiItemR(col, ptr, "max_y", 0, "Down", 0);
+   }
 }
 
 static void node_composit_buts_splitviewer(uiLayout *layout, bContext *C, PointerRNA *ptr)
diff --git a/source/blender/makesdna/DNA_node_types.h b/source/blender/makesdna/DNA_node_types.h
index e3ac90bf881..fe422bfa689 100644
--- a/source/blender/makesdna/DNA_node_types.h
+++ b/source/blender/makesdna/DNA_node_types.h
@@ -255,6 +255,7 @@ typedef struct NodeChroma {
 
 typedef struct NodeTwoXYs {
 	short x1, x2, y1, y2;
+   float fac_x1, fac_x2, fac_y1, fac_y2;
 } NodeTwoXYs;
 
 typedef struct NodeTwoFloats {
diff --git a/source/blender/makesrna/intern/rna_nodetree.c b/source/blender/makesrna/intern/rna_nodetree.c
index 71469f7dd31..5044518ca93 100644
--- a/source/blender/makesrna/intern/rna_nodetree.c
+++ b/source/blender/makesrna/intern/rna_nodetree.c
@@ -1637,7 +1637,12 @@ static void def_cmp_crop(StructRNA *srna)
 	RNA_def_property_boolean_sdna(prop, NULL, "custom1", 1);
 	RNA_def_property_ui_text(prop, "Crop Image Size", "Whether to crop the size of the input image");
 	RNA_def_property_update(prop, NC_NODE|NA_EDITED, "rna_Node_update");
-	
+
+   prop = RNA_def_property(srna, "relative", PROP_BOOLEAN, PROP_NONE);
+   RNA_def_property_boolean_sdna(prop, NULL, "custom2", 1);
+   RNA_def_property_ui_text(prop, "Relative", "Use relative values to crop image");
+   RNA_def_property_update(prop, NC_NODE|NA_EDITED, "rna_Node_update");
+
 	RNA_def_struct_sdna_from(srna, "NodeTwoXYs", "storage");
 
 	prop = RNA_def_property(srna, "min_x", PROP_INT, PROP_NONE);
@@ -1663,6 +1668,30 @@ static void def_cmp_crop(StructRNA *srna)
 	RNA_def_property_range(prop, 0, 10000);
 	RNA_def_property_ui_text(prop, "Y2", "");
 	RNA_def_property_update(prop, NC_NODE|NA_EDITED, "rna_Node_update");
+
+   prop = RNA_def_property(srna, "rel_min_x", PROP_FLOAT, PROP_NONE);
+   RNA_def_property_float_sdna(prop, NULL, "fac_x1");
+   RNA_def_property_range(prop, 0.0, 1.0);
+   RNA_def_property_ui_text(prop, "X1", "");
+   RNA_def_property_update(prop, NC_NODE|NA_EDITED, "rna_Node_update");
+
+   prop = RNA_def_property(srna, "rel_max_x", PROP_FLOAT, PROP_NONE);
+   RNA_def_property_float_sdna(prop, NULL, "fac_x2");
+   RNA_def_property_range(prop, 0.0, 1.0);
+   RNA_def_property_ui_text(prop, "X2", "");
+   RNA_def_property_update(prop, NC_NODE|NA_EDITED, "rna_Node_update");
+
+   prop = RNA_def_property(srna, "rel_min_y", PROP_FLOAT, PROP_NONE);
+   RNA_def_property_float_sdna(prop, NULL, "fac_y1");
+   RNA_def_property_range(prop, 0.0, 1.0);
+   RNA_def_property_ui_text(prop, "Y1", "");
+   RNA_def_property_update(prop, NC_NODE|NA_EDITED, "rna_Node_update");
+
+   prop = RNA_def_property(srna, "rel_max_y", PROP_FLOAT, PROP_NONE);
+   RNA_def_property_float_sdna(prop, NULL, "fac_y2");
+   RNA_def_property_range(prop, 0.0, 1.0);
+   RNA_def_property_ui_text(prop, "Y2", "");
+   RNA_def_property_update(prop, NC_NODE|NA_EDITED, "rna_Node_update");
 }
 
 static void def_cmp_dblur(StructRNA *srna)
diff --git a/source/blender/nodes/intern/CMP_nodes/CMP_crop.c b/source/blender/nodes/intern/CMP_nodes/CMP_crop.c
index c2edb3dd52f..dd5ce88bd36 100644
--- a/source/blender/nodes/intern/CMP_nodes/CMP_crop.c
+++ b/source/blender/nodes/intern/CMP_nodes/CMP_crop.c
@@ -48,7 +48,14 @@ static void node_composit_exec_crop(void *data, bNode *node, bNodeStack **in, bN
 		CompBuf *stackbuf;
 		int x, y;
 		float *srcfp, *outfp;
-		rcti outputrect;
+      rcti outputrect;
+
+      if(node->custom2) {
+         ntxy->x1= cbuf->x* ntxy->fac_x1;
+         ntxy->x2= cbuf->x* ntxy->fac_x2;
+         ntxy->y1= cbuf->y* ntxy->fac_y1;
+         ntxy->y2= cbuf->y* ntxy->fac_y2;
+      }
 
 		/* check input image size */
 		if(cbuf->x <= ntxy->x1 + 1)