diff --git a/McBitFont/Form1.Designer.cs b/McBitFont/Form1.Designer.cs
index 14b8cfa..44226b7 100644
--- a/McBitFont/Form1.Designer.cs
+++ b/McBitFont/Form1.Designer.cs
@@ -78,6 +78,8 @@
             this.toolTip1 = new System.Windows.Forms.ToolTip(this.components);
             this.btnClear = new System.Windows.Forms.Button();
             this.ClearToolStripMenuItem = new System.Windows.Forms.ToolStripMenuItem();
+            this.chkLeftSide = new System.Windows.Forms.CheckBox();
+            this.chkTopSide = new System.Windows.Forms.CheckBox();
             ((System.ComponentModel.ISupportInitialize)(this.nudX)).BeginInit();
             ((System.ComponentModel.ISupportInitialize)(this.nudY)).BeginInit();
             this.panel1.SuspendLayout();
@@ -103,14 +105,14 @@
             // nudX
             // 
             this.nudX.Anchor = ((System.Windows.Forms.AnchorStyles)((System.Windows.Forms.AnchorStyles.Top | System.Windows.Forms.AnchorStyles.Right)));
-            this.nudX.Location = new System.Drawing.Point(717, 27);
+            this.nudX.Location = new System.Drawing.Point(666, 27);
             this.nudX.Maximum = new decimal(new int[] {
             255,
             0,
             0,
             0});
             this.nudX.Name = "nudX";
-            this.nudX.Size = new System.Drawing.Size(55, 20);
+            this.nudX.Size = new System.Drawing.Size(40, 20);
             this.nudX.TabIndex = 1;
             this.toolTip1.SetToolTip(this.nudX, "Symbol width");
             this.nudX.Value = new decimal(new int[] {
@@ -123,7 +125,7 @@
             // nudY
             // 
             this.nudY.Anchor = ((System.Windows.Forms.AnchorStyles)((System.Windows.Forms.AnchorStyles.Top | System.Windows.Forms.AnchorStyles.Right)));
-            this.nudY.Location = new System.Drawing.Point(717, 49);
+            this.nudY.Location = new System.Drawing.Point(666, 49);
             this.nudY.Maximum = new decimal(new int[] {
             255,
             0,
@@ -135,7 +137,7 @@
             0,
             0});
             this.nudY.Name = "nudY";
-            this.nudY.Size = new System.Drawing.Size(55, 20);
+            this.nudY.Size = new System.Drawing.Size(40, 20);
             this.nudY.TabIndex = 2;
             this.toolTip1.SetToolTip(this.nudY, "Symbol height");
             this.nudY.Value = new decimal(new int[] {
@@ -149,7 +151,7 @@
             // 
             this.label1.Anchor = ((System.Windows.Forms.AnchorStyles)((System.Windows.Forms.AnchorStyles.Top | System.Windows.Forms.AnchorStyles.Right)));
             this.label1.AutoSize = true;
-            this.label1.Location = new System.Drawing.Point(673, 29);
+            this.label1.Location = new System.Drawing.Point(622, 29);
             this.label1.Name = "label1";
             this.label1.Size = new System.Drawing.Size(38, 13);
             this.label1.TabIndex = 3;
@@ -159,7 +161,7 @@
             // 
             this.label2.Anchor = ((System.Windows.Forms.AnchorStyles)((System.Windows.Forms.AnchorStyles.Top | System.Windows.Forms.AnchorStyles.Right)));
             this.label2.AutoSize = true;
-            this.label2.Location = new System.Drawing.Point(670, 51);
+            this.label2.Location = new System.Drawing.Point(619, 51);
             this.label2.Name = "label2";
             this.label2.Size = new System.Drawing.Size(41, 13);
             this.label2.TabIndex = 4;
@@ -193,7 +195,7 @@
             "40",
             "45",
             "50"});
-            this.cbZoom.Location = new System.Drawing.Point(605, 45);
+            this.cbZoom.Location = new System.Drawing.Point(554, 45);
             this.cbZoom.Name = "cbZoom";
             this.cbZoom.Size = new System.Drawing.Size(59, 21);
             this.cbZoom.TabIndex = 6;
@@ -205,7 +207,7 @@
             // 
             this.label4.Anchor = ((System.Windows.Forms.AnchorStyles)((System.Windows.Forms.AnchorStyles.Top | System.Windows.Forms.AnchorStyles.Right)));
             this.label4.AutoSize = true;
-            this.label4.Location = new System.Drawing.Point(604, 29);
+            this.label4.Location = new System.Drawing.Point(553, 29);
             this.label4.Name = "label4";
             this.label4.Size = new System.Drawing.Size(62, 13);
             this.label4.TabIndex = 7;
@@ -701,11 +703,35 @@
             this.ClearToolStripMenuItem.Text = "Clear canvas";
             this.ClearToolStripMenuItem.Click += new System.EventHandler(this.btnClear_Click);
             // 
+            // chkLeftSide
+            // 
+            this.chkLeftSide.AutoSize = true;
+            this.chkLeftSide.Location = new System.Drawing.Point(712, 29);
+            this.chkLeftSide.Name = "chkLeftSide";
+            this.chkLeftSide.Size = new System.Drawing.Size(66, 17);
+            this.chkLeftSide.TabIndex = 19;
+            this.chkLeftSide.Text = "Left side";
+            this.toolTip1.SetToolTip(this.chkLeftSide, "Width changes will be made on Left/Right side");
+            this.chkLeftSide.UseVisualStyleBackColor = true;
+            // 
+            // chkTopSide
+            // 
+            this.chkTopSide.AutoSize = true;
+            this.chkTopSide.Location = new System.Drawing.Point(712, 50);
+            this.chkTopSide.Name = "chkTopSide";
+            this.chkTopSide.Size = new System.Drawing.Size(67, 17);
+            this.chkTopSide.TabIndex = 20;
+            this.chkTopSide.Text = "Top side";
+            this.toolTip1.SetToolTip(this.chkTopSide, "Height changes will be made on Top/Bottom side");
+            this.chkTopSide.UseVisualStyleBackColor = true;
+            // 
             // MainForm
             // 
             this.AutoScaleDimensions = new System.Drawing.SizeF(6F, 13F);
             this.AutoScaleMode = System.Windows.Forms.AutoScaleMode.Font;
             this.ClientSize = new System.Drawing.Size(784, 561);
+            this.Controls.Add(this.chkTopSide);
+            this.Controls.Add(this.chkLeftSide);
             this.Controls.Add(this.btnBaseline);
             this.Controls.Add(this.btnApply);
             this.Controls.Add(this.btnExport);
@@ -796,6 +822,8 @@
         private System.Windows.Forms.ToolTip toolTip1;
         private System.Windows.Forms.Button btnClear;
         private System.Windows.Forms.ToolStripMenuItem ClearToolStripMenuItem;
+        private System.Windows.Forms.CheckBox chkLeftSide;
+        private System.Windows.Forms.CheckBox chkTopSide;
     }
 }
 
diff --git a/McBitFont/Form1.cs b/McBitFont/Form1.cs
index 3c2b151..d03f549 100644
--- a/McBitFont/Form1.cs
+++ b/McBitFont/Form1.cs
@@ -177,20 +177,24 @@ namespace McBitFont {
         private FrameMiniature frameResize(FrameMiniature ff, int neww, int newh) {
             int oldw = ff.width;
             int oldh = ff.height;
+            int di = 0, dj = 0;
             int imax, jmax;
             bool[,] t;
 
-            if (neww < oldw) imax = neww;
-            else imax = oldw;
-            if (newh < oldh) jmax = newh;
-            else jmax = oldh;
+            if (chkLeftSide.Checked) di = oldw - neww;
+            if (chkTopSide.Checked) dj = oldh - newh;
+
+            imax = (neww < oldw) ? neww : oldw;
+            jmax = (newh < oldh) ? newh : oldh;
+            if (neww > oldw) imax -= di;
+            if (newh > oldh) jmax -= dj;
 
             ff.width = neww;
             ff.height = newh;
             t = new bool[neww, newh];
             for (int i=0; i<imax; i++) {
                 for (int j=0;j<jmax; j++) {
-                    t[i, j] = ff.data[i, j];
+                    if (i+di >= 0 && j+dj >= 0) t[i, j] = ff.data[i + di, j + dj];
                 }
             }
             ff.data = t;
@@ -199,23 +203,7 @@ namespace McBitFont {
         }
 
         private void dotResize(int ww, int hh) {
-            int imax, jmax;
-            bool[,] t;
-            
-            if (ww < dotWidth) imax = ww;
-            else imax = dotWidth;
-            if (hh < dotHeight) jmax = hh;
-            else jmax = dotHeight;
-
-            f.width = ww;
-            f.height = hh;
-            t = new bool[ww, hh];
-            for (int i=0; i<imax; i++) {
-                for (int j=0; j<jmax; j++) {
-                    t[i, j] = f.data[i, j];
-                }
-            }
-            f.data = t;
+            f = frameResize(f, ww, hh);
             dotWidth = ww;
             dotHeight = hh;
             w = pixelOffset + dotWidth * (cellSize + gap);
diff --git a/TODO.txt b/TODO.txt
index 4c0d3db..383408f 100644
--- a/TODO.txt
+++ b/TODO.txt
@@ -16,7 +16,7 @@ V Button to Clear/Fill a block
 - Import from a text array
 V Copy-paste to a symbol with different size
 - Rectangle selection to mass-paint, shift and mirror pixels
-- Change height of variable width fonts with ability to choose which side to add pixels to
+V Change height of variable width fonts with ability to choose which side to add pixels to
 V Make it possible to have zero width chars in VarWidth fonts
 - "Packed" fonts export
 V Tooltips on main form