diff --git a/builds/4chan-X.user.js b/builds/4chan-X.user.js
index cfcde66b5..9d75dfe1b 100644
--- a/builds/4chan-X.user.js
+++ b/builds/4chan-X.user.js
@@ -5988,12 +5988,46 @@
       QR.cleanNotifications();
       for (_i = 0, _len = files.length; _i < _len; _i++) {
         file = files[_i];
-        QR.handleFile(file, isSingle, max);
+        QR.checkDimensions(file, isSingle, max);
       }
       if (!isSingle) {
         return $.addClass(QR.nodes.el, 'dump');
       }
     },
+    checkDimensions: function(file, isSingle, max) {
+      var img,
+        _this = this;
+      img = new Image();
+      img.onload = function() {
+        var height, width;
+        height = img.height, width = img.width;
+        if (g.BOARD.ID === 'hr') {
+          if (height > 10000 || width > 10000) {
+            return QR.error("" + file.name + ": Image too large (image: " + img.height + "x" + img.width + "px, max: 10000x10000px");
+          }
+        }
+        if (g.BOARD.ID === 'hr') {
+          if (height < 1000 || width < 1000) {
+            return QR.error("" + file.name + ": Image too small (image: " + img.height + "x" + img.width + "px, min: 1000x1000px");
+          }
+        }
+        if (g.BOARD.ID === 'wg') {
+          if (height < 480 || width < 600) {
+            return QR.error("" + file.name + ": Image too small (image: " + img.height + "x" + img.width + "px, min: 480x600px");
+          }
+        }
+        if (g.BOARD.ID === 'w') {
+          if (height < 480 || width < 600) {
+            return QR.error("" + file.name + ": Image too small (image: " + img.height + "x" + img.width + "px, min: 480x600px");
+          }
+        }
+        if (height > 5000 || width > 5000) {
+          return QR.error("" + file.name + ": Image too large (image: " + img.height + "x" + img.width + "px, max: 5000x5000px");
+        }
+        return QR.handleFile(file, isSingle, max);
+      };
+      return img.src = URL.createObjectURL(file);
+    },
     handleFile: function(file, isSingle, max) {
       var post, _ref;
       if (file.size > max) {
diff --git a/builds/crx/script.js b/builds/crx/script.js
index b87014ea9..8a90ea2a1 100644
--- a/builds/crx/script.js
+++ b/builds/crx/script.js
@@ -6024,12 +6024,46 @@
       QR.cleanNotifications();
       for (_i = 0, _len = files.length; _i < _len; _i++) {
         file = files[_i];
-        QR.handleFile(file, isSingle, max);
+        QR.checkDimensions(file, isSingle, max);
       }
       if (!isSingle) {
         return $.addClass(QR.nodes.el, 'dump');
       }
     },
+    checkDimensions: function(file, isSingle, max) {
+      var img,
+        _this = this;
+      img = new Image();
+      img.onload = function() {
+        var height, width;
+        height = img.height, width = img.width;
+        if (g.BOARD.ID === 'hr') {
+          if (height > 10000 || width > 10000) {
+            return QR.error("" + file.name + ": Image too large (image: " + img.height + "x" + img.width + "px, max: 10000x10000px");
+          }
+        }
+        if (g.BOARD.ID === 'hr') {
+          if (height < 1000 || width < 1000) {
+            return QR.error("" + file.name + ": Image too small (image: " + img.height + "x" + img.width + "px, min: 1000x1000px");
+          }
+        }
+        if (g.BOARD.ID === 'wg') {
+          if (height < 480 || width < 600) {
+            return QR.error("" + file.name + ": Image too small (image: " + img.height + "x" + img.width + "px, min: 480x600px");
+          }
+        }
+        if (g.BOARD.ID === 'w') {
+          if (height < 480 || width < 600) {
+            return QR.error("" + file.name + ": Image too small (image: " + img.height + "x" + img.width + "px, min: 480x600px");
+          }
+        }
+        if (height > 5000 || width > 5000) {
+          return QR.error("" + file.name + ": Image too large (image: " + img.height + "x" + img.width + "px, max: 5000x5000px");
+        }
+        return QR.handleFile(file, isSingle, max);
+      };
+      return img.src = URL.createObjectURL(file);
+    },
     handleFile: function(file, isSingle, max) {
       var post, _ref;
       if (file.size > max) {
diff --git a/src/Posting/QR.coffee b/src/Posting/QR.coffee
index 18b8c806d..5bfca34a4 100644
--- a/src/Posting/QR.coffee
+++ b/src/Posting/QR.coffee
@@ -355,9 +355,25 @@ QR =
     isSingle = files.length is 1
     QR.cleanNotifications()
     for file in files
-      QR.handleFile file, isSingle, max
+      QR.checkDimensions file, isSingle, max
     $.addClass QR.nodes.el, 'dump' unless isSingle
 
+  checkDimensions: (file, isSingle, max) ->
+    img = new Image()
+    img.onload = =>
+      {height, width} = img
+      if g.BOARD.ID is 'hr'
+        return QR.error "#{file.name}: Image too large (image: #{img.height}x#{img.width}px, max: 10000x10000px" if height > 10000 or width > 10000
+      if g.BOARD.ID is 'hr'
+        return QR.error "#{file.name}: Image too small (image: #{img.height}x#{img.width}px, min: 1000x1000px" if height < 1000 or width < 1000
+      if g.BOARD.ID is 'wg'
+        return QR.error "#{file.name}: Image too small (image: #{img.height}x#{img.width}px, min: 480x600px" if height < 480 or width < 600
+      if g.BOARD.ID is 'w'
+        return QR.error "#{file.name}: Image too small (image: #{img.height}x#{img.width}px, min: 480x600px" if height < 480 or width < 600
+      return QR.error "#{file.name}: Image too large (image: #{img.height}x#{img.width}px, max: 5000x5000px" if height > 5000 or width > 5000
+      QR.handleFile file, isSingle, max
+    img.src = URL.createObjectURL file
+
   handleFile: (file, isSingle, max) ->
     if file.size > max
       QR.error "#{file.name}: File too large (file: #{$.bytesToString file.size}, max: #{$.bytesToString max})."