Add a Reply Option to Blogger Comments Box

Go to Layout >> Edit HTML >> Expand Widget Templates and search for

<data:commentPostedByMsg/> OR <data:comment.timestamp/>

Now Copy and Paste following code AFTER

<data:commentPostedByMsg/> OR <data:comment.timestamp/>


<span class='comment-reply'><a expr:href='&quot;https://www.blogger.com/comment.g?blogID=YOUR-BLOGGER-ID&amp;postID=&quot;   data:post.id   &quot;&amp;isPopup=true&amp;postBody=%40%3C%61%20%68%72%65%66%3D%22%23&quot;   data:comment.anchorName   &quot;%22%3E&quot;   data:comment.author   &quot;%3C%2F%61%3E#form&quot;' onclick='javascript:window.open(this.href, &quot;bloggerPopup&quot;, &quot;toolbar=0,location=0,statusbar=1,menubar=0,scrollbars=yes,width=400,height=450&quot;); return false;'>Reply</a></span>

Now change your blog ID value with that of YOUR-BLOGGER-ID in above code.

For get blog ID go to Layout >> Page Elements. Now check address bar of your web browser. At the end there is blog ID. e.g. http://www.blogger.com/rearrange?blogID=184224956544XXXXXXX

Then Blog ID is 184224956544XXXXXXX