diff --git a/.gitignore b/.gitignore
index 7925756..0d6b7f7 100644
--- a/.gitignore
+++ b/.gitignore
@@ -1,3 +1,4 @@
 Decoder/a.png
 Decoder/chunks/
 Decoder/output.dat
+
diff --git a/Client/index.html b/Client/index.html
index f649c4a..6275798 100644
--- a/Client/index.html
+++ b/Client/index.html
@@ -1,14 +1,15 @@
 <!DOCTYPE html>
 <html>
   <head>
+    <title>QRTransfer</title>
     <script src="qrenc-4.0.0.js" type="text/javascript"></script>
     <script type="text/javascript">
       let $ = (ele) => document.getElementById(ele);
 
       let fileData,
         chunkSize,
-        segmentPosition = 0,
-        activeCanvas = 0;
+        segmentPosition,
+        activeCanvas = 0; // double buffering.
 
       let serveCodes = () => {
         let numChunks = fileData.length / chunkSize;
@@ -17,14 +18,18 @@
         let minLeft = ((numChunks - currChunk) * delay) / 1000 / 60;
 
         $("status").innerText = `${currChunk}/${Math.ceil(numChunks)}/${(currChunk / numChunks).toFixed(2)}% (${minLeft.toFixed(2)} minutes left.)`;
-        doqr(currChunk + "|" + fileData.substring(segmentPosition, segmentPosition + chunkSize), Number($("qrSize").value), Number($("ecc").value));
+        displayQR(
+          currChunk + 1 + "|" + fileData.substring(segmentPosition, segmentPosition + chunkSize),
+          Number($("qrSize").value),
+          Number($("ecc").value)
+        );
         segmentPosition += chunkSize;
 
         if (segmentPosition < fileData.length) {
           window.setTimeout(serveCodes, delay);
         }
       };
-      let doqr = (data, size, ecc) => {
+      let displayQR = (data, size, ecc) => {
         var qr = new QR($("qrcanv" + activeCanvas), data, size, size, ecc);
         $("qrcanv" + (activeCanvas === 0 ? 1 : 0)).style.display = "none";
         $("qrcanv" + activeCanvas).style.display = "block";
@@ -45,6 +50,7 @@
             uInt8Array.map((x, idx) => (binaryString[idx] = String.fromCharCode(x)));
             // it seems that the qr library doesn't support binary data - converting to base64
             fileData = window.btoa(binaryString.join(""));
+            window.scrollTo(0, 0);
             serveCodes();
           }
         };
@@ -60,7 +66,7 @@
     <hr />
     Status:<span id="status">...</span>
     <hr />
-    Filename:<input type="text" value="input.dat" id="inputFileName" />
+    Filename:<input type="text" id="inputFileName" value="input.dat" />
     <br />
     ECC (1-4):<input type="number" value="4" id="ecc" />
     <br />
diff --git a/Client/input.dat b/Client/testInput/1M.dat
similarity index 100%
rename from Client/input.dat
rename to Client/testInput/1M.dat
diff --git a/Client/testInput/5K.dat b/Client/testInput/5K.dat
new file mode 100644
index 0000000..b96992b
Binary files /dev/null and b/Client/testInput/5K.dat differ
