diff --git a/include/hpdf.h b/include/hpdf.h
index 1c65815..13d7890 100644
--- a/include/hpdf.h
+++ b/include/hpdf.h
@@ -238,6 +238,10 @@ HPDF_EXPORT(HPDF_STATUS)
 HPDF_Page_SetRotate  (HPDF_Page     page,
                       HPDF_UINT16   angle);
 
+HPDF_EXPORT(HPDF_STATUS)
+HPDF_Page_SetZoom  (HPDF_Page     page,
+                    HPDF_REAL     zoom);
+
 /*---------------------------------------------------------------------------*/
 /*----- font handling -------------------------------------------------------*/
 
diff --git a/src/hpdf_pages.c b/src/hpdf_pages.c
index 15e0c23..c5a76ff 100644
--- a/src/hpdf_pages.c
+++ b/src/hpdf_pages.c
@@ -1289,6 +1289,25 @@ HPDF_Page_SetRotate (HPDF_Page      page,
     return ret;
 }
 
+HPDF_EXPORT(HPDF_STATUS)
+HPDF_Page_SetZoom (HPDF_Page      page,
+                   HPDF_REAL      zoom)
+{
+    HPDF_STATUS ret = HPDF_OK;
+
+    HPDF_PTRACE((" HPDF_Page_SetZoom\n"));
+
+    if (!HPDF_Page_Validate (page)) {
+        return HPDF_INVALID_PAGE;
+    }
+
+    if (zoom < 0.08 || zoom > 32) {
+        return HPDF_RaiseError (page->error, HPDF_INVALID_PARAMETER, 0);
+    }
+
+    ret = HPDF_Dict_AddReal (page, "PZ", zoom);
+    return ret;
+}
 
 HPDF_EXPORT(HPDF_STATUS)
 HPDF_Page_SetWidth  (HPDF_Page    page,