diff --git a/src/Posting/QR.coffee b/src/Posting/QR.coffee
index 48ca1077e..e80d65cbb 100644
--- a/src/Posting/QR.coffee
+++ b/src/Posting/QR.coffee
@@ -352,6 +352,30 @@ QR =
     counter.hidden      = count < QR.max_comment/2
     (if count > QR.max_comment then $.addClass else $.rmClass) counter, 'warning'
 
+    splitPost = QR.nodes.splitPost
+    splitPost.hidden = count < QR.max_comment
+
+  splitPost: ->
+    count = QR.nodes.com.value.replace(/[\uD800-\uDBFF][\uDC00-\uDFFF]/g, '_').length
+    text = QR.nodes.com.value
+    return if count < QR.max_comment
+    lastPostLength = 0
+    QR.posts[QR.posts.length - 1].setComment("");
+
+    for line in text.split("\n")
+      currentLength = line.replace(/[\uD800-\uDBFF][\uDC00-\uDFFF]/g, '_').length + 1 # 1 for newline
+      if (currentLength + lastPostLength) > QR.max_comment
+        post = new QR.post()
+        post.setComment(line)
+        lastPostLength = currentLength
+      else
+        currentPost = QR.posts[QR.posts.length - 1]
+        newComment = [currentPost.com, line].filter((el) -> el != null).join("\n")
+        currentPost.setComment(newComment)
+        lastPostLength += currentLength
+
+    QR.nodes.el.classList.add 'dump'
+
   getFile: ->
     $.event 'QRFile', QR.selected?.file
 
@@ -513,6 +537,7 @@ QR =
     setNode 'sub',            '[data-name=sub]'
     setNode 'com',            '[data-name=com]'
     setNode 'charCount',      '#char-count'
+    setNode 'splitPost',      '#split-post'
     setNode 'texPreview',     '#tex-preview'
     setNode 'dumpList',       '#dump-list'
     setNode 'addPost',        '#add-post'
@@ -557,6 +582,7 @@ QR =
     $.on nodes.sjisToggle,     'click',     QR.toggleSJIS
     $.on nodes.texButton,      'mousedown', QR.texPreviewShow
     $.on nodes.texButton,      'mouseup',   QR.texPreviewHide
+    $.on nodes.splitPost,      'click',     QR.splitPost
     $.on nodes.addPost,        'click',     -> new QR.post true
     $.on nodes.drawButton,     'click',     QR.oekaki.draw
     $.on nodes.fileButton,     'click',     QR.openFileInput
diff --git a/src/Posting/QR/QuickReply.html b/src/Posting/QR/QuickReply.html
index 51a58f961..4da3b3916 100644
--- a/src/Posting/QR/QuickReply.html
+++ b/src/Posting/QR/QuickReply.html
@@ -19,6 +19,7 @@
   <div class="textarea">
     <textarea data-name="com" placeholder="Comment" class="field"></textarea>
     <span id="char-count"></span>
+    <a id="split-post" title="Split into multiple posts" hidden><i class="fa fa-cut"></i></a>
     <div id="tex-preview"></div>
   </div>
   <div id="dump-list-container">
diff --git a/src/css/style.css b/src/css/style.css
index b00e25933..9bd688f1f 100644
--- a/src/css/style.css
+++ b/src/css/style.css
@@ -2073,6 +2073,13 @@ a:only-of-type > .remove {
 #char-count.warning {
   color: red;
 }
+#split-post {
+  font-size: 8pt;
+  position: absolute;
+  bottom: 2px;
+  left: 2px;
+  cursor: pointer;
+}
 
 /* Menu */
 .menu-button:not(.fa-bars) {