diff --git a/src/worker.js b/src/worker.js
index 47ee472..424480f 100644
--- a/src/worker.js
+++ b/src/worker.js
@@ -46,6 +46,7 @@ Worker.template = {
   },
   opt: {
     filename: 'file.pdf',
+    trimPages: false,
     margin: [0,0,0,0],
     image: { type: 'jpeg', quality: 0.95 },
     enableLinks: true,
@@ -212,10 +213,22 @@ Worker.prototype.toPdf = function toPdf() {
       pageCtx.drawImage(canvas, 0, page*pxPageHeight, w, h, 0, 0, w, h);
 
       // Add the page to the PDF.
-      if (page)  this.prop.pdf.addPage();
+      var pageWidth = this.prop.pageSize.inner.width;
+      const [mTop, mLeft, mBottom, mRight] = opt.margin || [];
+      const adjustedPageWidth = pageWidth + mLeft + mRight;
+      const adjustedPageHeight = pageHeight + mTop + mBottom;
+
+      this.prop.pdf.addPage(
+        ...(opt.trimPages ? [[adjustedPageWidth, adjustedPageHeight], adjustedPageWidth > adjustedPageHeight ? 'l' : 'p'] : [])
+      );
+      
       var imgData = pageCanvas.toDataURL('image/' + opt.image.type, opt.image.quality);
-      this.prop.pdf.addImage(imgData, opt.image.type, opt.margin[1], opt.margin[0],
-                        this.prop.pageSize.inner.width, pageHeight);
+      this.prop.pdf.addImage(imgData, opt.image.type, mLeft, mTop, pageWidth, pageHeight);
+    }
+
+    if (!this.prop._firstPageDeleted) {
+      this.prop.pdf.deletePage(1);
+      this.prop._firstPageDeleted = true;
     }
   });
 };