diff --git a/README.md b/README.md
index acbba88..598ef41 100644
--- a/README.md
+++ b/README.md
@@ -1,4 +1,4 @@
-# Poster Image
+# Poster Editor
 
 This class is an alternative to the package [Intervention Image](https://github.com/Intervention/image) for more flexible work with text on the image.
 Use it if you need to **fit text** in a given area, automatically **calculate font size** and change **line height**. 
@@ -12,10 +12,10 @@ Note that this class supports PHP-GD driver only.
 You can also easily inherit your class — all methods of the parent can be overridden.
 
 ## Installation
-The best way to install Poster Image is quickly and easily with [Composer](http://getcomposer.org/).  
+The best way to install Poster Editor is quickly and easily with [Composer](http://getcomposer.org/).  
 However, you can require the class directly without using a loader - this will not affect performance in any way.
 
-`php composer.phar require antonlukin/poster-image`
+`php composer.phar require antonlukin/poster-editor`
 
 ## Usage
 In case of an error, the class methods return an exception.  
@@ -27,10 +27,10 @@ Therefore, it is best to call them inside a block `try..catch`.
 require_once __DIR__ . '/vendor/autoload.php';
 
 // Or directly
-// require_once __DIR__ . '/PosterImage.php';
+// require_once __DIR__ . '/PosterEditor.php';
 
 try {
-    $image = new PosterImage\PosterImage();
+    $image = new PosterEditor\PosterEditor();
     $image->make('images/bridge.jpg')->fit(600, 600);
     $image->show();
 
@@ -41,4 +41,4 @@ try {
 
 ## Contribution
 All project code is stored on Github. The best way to help the project is to report a bug or add some new functionality. 
-You can also open here an [issue](https://github.com/antonlukin/poster-image/issues) or send a [pull reguest](https://github.com/antonlukin/poster-image/pulls).
\ No newline at end of file
+You can also open here an [issue](https://github.com/antonlukin/poster-editor/issues) or send a [pull reguest](https://github.com/antonlukin/poster-editor/pulls).
\ No newline at end of file
diff --git a/composer.json b/composer.json
index d6cd5de..e8020ee 100644
--- a/composer.json
+++ b/composer.json
@@ -1,9 +1,9 @@
 {
-	"name": "antonlukin/poster-image",
-	"version": "2.3",
+	"name": "antonlukin/poster-editor",
+	"version": "3.0",
 	"description": "Wrapper for PHP's GD Library for easy image manipulation",
 	"keywords": ["php", "image", "text", "gd"],
-	"homepage": "https://github.com/antonlukin/poster-image",
+	"homepage": "https://github.com/antonlukin/poster-editor",
 	"type": "library",
 	"license": "MIT",
 	"authors": [
@@ -24,7 +24,7 @@
 	},
 	"autoload": {
 		"files": [
-			"src/PosterImage.php"
+			"src/PosterEditor.php"
 		]
 	}
 }
diff --git a/composer.lock b/composer.lock
index 4101bbb..bdcfa56 100644
--- a/composer.lock
+++ b/composer.lock
@@ -4,7 +4,7 @@
         "Read more about it at https://getcomposer.org/doc/01-basic-usage.md#installing-dependencies",
         "This file is @generated automatically"
     ],
-    "content-hash": "645adead03c97e5c45328bed9f996fbb",
+    "content-hash": "1bb592b5be2ee14d709213eb31ada482",
     "packages": [],
     "packages-dev": [
         {
diff --git a/example/append.php b/example/append.php
index ec9f830..6a6e87f 100644
--- a/example/append.php
+++ b/example/append.php
@@ -4,23 +4,23 @@
  * php version 7.1
  *
  * @category PHP
- * @package  PosterImage
+ * @package  PosterEditor
  * @author   Anton Lukin <anton@lukin.me>
  * @license  MIT License (http://www.opensource.org/licenses/mit-license.php)
- * @link     https://github.com/antonlukin/poster-image
+ * @link     https://github.com/antonlukin/poster-editor
  */
 
 require_once __DIR__ . '/../vendor/autoload.php';
 
 try {
-    $image = new PosterImage\PosterImage();
+    $image = new PosterEditor\PosterEditor();
     $image->make('images/bridge.jpg')->fit(600, 300, 'top');
 
-    $logo = new PosterImage\PosterImage();
+    $logo = new PosterEditor\PosterEditor();
     $logo->make('images/logo.png')->resize(300, 50)->grayscale();
 
     $image->append($logo)->show();
 
 } catch(Exception $e) {
     echo $e->getMessage();
-}
\ No newline at end of file
+}
diff --git a/example/blackout.php b/example/blackout.php
index a9d67fc..9a45088 100644
--- a/example/blackout.php
+++ b/example/blackout.php
@@ -4,16 +4,16 @@
  * php version 7.1
  *
  * @category PHP
- * @package  PosterImage
+ * @package  PosterEditor
  * @author   Anton Lukin <anton@lukin.me>
  * @license  MIT License (http://www.opensource.org/licenses/mit-license.php)
- * @link     https://github.com/antonlukin/poster-image
+ * @link     https://github.com/antonlukin/poster-editor
  */
 
 require_once __DIR__ . '/../vendor/autoload.php';
 
 try {
-    $image = new PosterImage\PosterImage();
+    $image = new PosterEditor\PosterEditor();
 
     // Create from image and fit to 1200x630 area.
     $image->make('images/bridge.jpg')->fit(1200, 630);
@@ -40,4 +40,4 @@
 
 } catch(Exception $e) {
     echo $e->getMessage();
-}
\ No newline at end of file
+}
diff --git a/example/blur.php b/example/blur.php
index 5af327b..539d21a 100644
--- a/example/blur.php
+++ b/example/blur.php
@@ -4,20 +4,20 @@
  * php version 7.1
  *
  * @category PHP
- * @package  PosterImage
+ * @package  PosterEditor
  * @author   Anton Lukin <anton@lukin.me>
  * @license  MIT License (http://www.opensource.org/licenses/mit-license.php)
- * @link     https://github.com/antonlukin/poster-image
+ * @link     https://github.com/antonlukin/poster-editor
  */
 
 require_once __DIR__ . '/../vendor/autoload.php';
 
 try {
-    $image = new PosterImage\PosterImage();
+    $image = new PosterEditor\PosterEditor();
     $image->make('images/bridge.jpg')->blur();
 
     $image->show();
 
 } catch(Exception $e) {
     echo $e->getMessage();
-}
\ No newline at end of file
+}
diff --git a/example/canvas.php b/example/canvas.php
index 2d8be24..4d55744 100644
--- a/example/canvas.php
+++ b/example/canvas.php
@@ -4,16 +4,16 @@
  * php version 7.1
  *
  * @category PHP
- * @package  PosterImage
+ * @package  PosterEditor
  * @author   Anton Lukin <anton@lukin.me>
  * @license  MIT License (http://www.opensource.org/licenses/mit-license.php)
- * @link     https://github.com/antonlukin/poster-image
+ * @link     https://github.com/antonlukin/poster-editor
  */
 
 require_once __DIR__ . '/../vendor/autoload.php';
 
 try {
-    $image = new PosterImage\PosterImage();
+    $image = new PosterEditor\PosterEditor();
 
     // Create canvas.
     $image->canvas(500, 500);
@@ -30,4 +30,4 @@
 
 } catch(Exception $e) {
     echo $e->getMessage();
-}
\ No newline at end of file
+}
diff --git a/example/filters.php b/example/filters.php
index 0f6278a..94cdccc 100644
--- a/example/filters.php
+++ b/example/filters.php
@@ -4,26 +4,26 @@
  * php version 7.1
  *
  * @category PHP
- * @package  PosterImage
+ * @package  PosterEditor
  * @author   Anton Lukin <anton@lukin.me>
  * @license  MIT License (http://www.opensource.org/licenses/mit-license.php)
- * @link     https://github.com/antonlukin/poster-image
+ * @link     https://github.com/antonlukin/poster-editor
  */
 
 require_once __DIR__ . '/../vendor/autoload.php';
 
 try {
-    $image = new PosterImage\PosterImage();
+    $image = new PosterEditor\PosterEditor();
 
     // Create from image.
     $image->make('images/bridge.jpg');
 
     // Set filters.
-    $image->blur(2)->contrast(25)->brightness(-10);
+    $image->contrast(25)->brightness(-10);
 
     // Show it.
     $image->show();
 
 } catch(Exception $e) {
     echo $e->getMessage();
-}
\ No newline at end of file
+}
diff --git a/example/insert.php b/example/insert.php
index bf23a6b..50853c2 100644
--- a/example/insert.php
+++ b/example/insert.php
@@ -4,16 +4,16 @@
  * php version 7.1
  *
  * @category PHP
- * @package  PosterImage
+ * @package  PosterEditor
  * @author   Anton Lukin <anton@lukin.me>
  * @license  MIT License (http://www.opensource.org/licenses/mit-license.php)
- * @link     https://github.com/antonlukin/poster-image
+ * @link     https://github.com/antonlukin/poster-editor
  */
 
 require_once __DIR__ . '/../vendor/autoload.php';
 
 try {
-    $image = new PosterImage\PosterImage();
+    $image = new PosterEditor\PosterEditor();
 
     // Create from image and crop 600x600 area.
     $image->make('images/bridge.jpg')->fit(600, 600, 'bottom-right');
@@ -24,9 +24,7 @@
     $image->insert(
         'images/logo.png',
         array(
-            'x'      => '10%',
-            'y'      => '10%',
-            'width'  => 200,
+            'width'  => 500,
         )
     );
 
@@ -35,4 +33,4 @@
 
 } catch(Exception $e) {
     echo $e->getMessage();
-}
\ No newline at end of file
+}
diff --git a/example/resize.php b/example/resize.php
index b43b05d..a902200 100644
--- a/example/resize.php
+++ b/example/resize.php
@@ -4,16 +4,16 @@
  * php version 7.1
  *
  * @category PHP
- * @package  PosterImage
+ * @package  PosterEditor
  * @author   Anton Lukin <anton@lukin.me>
  * @license  MIT License (http://www.opensource.org/licenses/mit-license.php)
- * @link     https://github.com/antonlukin/poster-image
+ * @link     https://github.com/antonlukin/poster-editor
  */
 
 require_once __DIR__ . '/../vendor/autoload.php';
 
 try {
-    $image = new PosterImage\PosterImage();
+    $image = new PosterEditor\PosterEditor();
 
     // Create from image and resize it down.
     $image->make('images/bridge.jpg')->resize(300, 500, false);
@@ -23,4 +23,4 @@
 
 } catch(Exception $e) {
     echo $e->getMessage();
-}
\ No newline at end of file
+}
diff --git a/example/resource.php b/example/resource.php
index 7fb2ff6..acf1a20 100644
--- a/example/resource.php
+++ b/example/resource.php
@@ -4,16 +4,16 @@
  * php version 7.1
  *
  * @category PHP
- * @package  PosterImage
+ * @package  PosterEditor
  * @author   Anton Lukin <anton@lukin.me>
  * @license  MIT License (http://www.opensource.org/licenses/mit-license.php)
- * @link     https://github.com/antonlukin/poster-image
+ * @link     https://github.com/antonlukin/poster-editor
  */
 
 require_once __DIR__ . '/../vendor/autoload.php';
 
 try {
-    $image = new PosterImage\PosterImage();
+    $image = new PosterEditor\PosterEditor();
 
     // Create from image and fit 600x600 area.
     $image->make('images/bridge.jpg')->fit(600, 600);
@@ -32,4 +32,4 @@
 
 } catch(Exception $e) {
     echo $e->getMessage();
-}
\ No newline at end of file
+}
diff --git a/example/shapes.php b/example/shapes.php
index 019b448..b1bd5a4 100644
--- a/example/shapes.php
+++ b/example/shapes.php
@@ -4,16 +4,16 @@
  * php version 7.1
  *
  * @category PHP
- * @package  PosterImage
+ * @package  PosterEditor
  * @author   Anton Lukin <anton@lukin.me>
  * @license  MIT License (http://www.opensource.org/licenses/mit-license.php)
- * @link     https://github.com/antonlukin/poster-image
+ * @link     https://github.com/antonlukin/poster-editor
  */
 
 require_once __DIR__ . '/../vendor/autoload.php';
 
 try {
-    $image = new PosterImage\PosterImage();
+    $image = new PosterEditor\PosterEditor();
 
     // Create from image and fit it from bottom.
     $image->make('images/bridge.jpg')->fit(1000, 630, 'bottom');
diff --git a/example/text-boundary.php b/example/text-boundary.php
index f359547..5104618 100644
--- a/example/text-boundary.php
+++ b/example/text-boundary.php
@@ -4,23 +4,23 @@
  * php version 7.1
  *
  * @category PHP
- * @package  PosterImage
+ * @package  PosterEditor
  * @author   Anton Lukin <anton@lukin.me>
  * @license  MIT License (http://www.opensource.org/licenses/mit-license.php)
- * @link     https://github.com/antonlukin/poster-image
+ * @link     https://github.com/antonlukin/poster-editor
  */
 
 require_once __DIR__ . '/../vendor/autoload.php';
 
 try {
-    $image = new PosterImage\PosterImage();
+    $image = new PosterEditor\PosterEditor();
 
     // Create from image and crop 900x600 left-bottom area.
     $image->make('images/bridge.jpg')->crop(
         900, 600,
         array(
             'x' => '0',
-            'y' => '100%'
+            'y' => '100'
         )
     );
 
@@ -62,4 +62,4 @@
 
 } catch(Exception $e) {
     echo $e->getMessage();
-}
\ No newline at end of file
+}
diff --git a/example/text-center.php b/example/text-center.php
index a2770f8..7292110 100644
--- a/example/text-center.php
+++ b/example/text-center.php
@@ -4,16 +4,16 @@
  * php version 7.1
  *
  * @category PHP
- * @package  PosterImage
+ * @package  PosterEditor
  * @author   Anton Lukin <anton@lukin.me>
  * @license  MIT License (http://www.opensource.org/licenses/mit-license.php)
- * @link     https://github.com/antonlukin/poster-image
+ * @link     https://github.com/antonlukin/poster-editor
  */
 
 require_once __DIR__ . '/../vendor/autoload.php';
 
 try {
-    $image = new PosterImage\PosterImage();
+    $image = new PosterEditor\PosterEditor();
 
     // Create from image and fit 1200x630 area.
     $image->make('images/bridge.jpg')->fit(1200, 630);
@@ -42,4 +42,4 @@
 
 } catch(Exception $e) {
     echo $e->getMessage();
-}
\ No newline at end of file
+}
diff --git a/src/PosterImage.php b/src/PosterEditor.php
similarity index 94%
rename from src/PosterImage.php
rename to src/PosterEditor.php
index 29836cd..d4042b3 100644
--- a/src/PosterImage.php
+++ b/src/PosterEditor.php
@@ -6,13 +6,13 @@
  * php version 7.1
  *
  * @category PHP
- * @package  PosterImage
+ * @package  PosterEditor
  * @author   Anton Lukin <anton@lukin.me>
  * @license  MIT License (http://www.opensource.org/licenses/mit-license.php)
- * @link     https://github.com/antonlukin/poster-image
+ * @link     https://github.com/antonlukin/poster-editor
  */
 
-namespace PosterImage;
+namespace PosterEditor;
 
 use Exception;
 
@@ -20,13 +20,13 @@
   * Draw images, text and shapes using php-gd.
   *
   * @category PHP
-  * @package  PosterImage
+  * @package  PosterEditor
   * @author   Anton Lukin <anton@lukin.me>
   * @license  MIT License (http://www.opensource.org/licenses/mit-license.php)
   * @version  Release: 1.0.0
-  * @link     https://github.com/antonlukin/poster-image
+  * @link     https://github.com/antonlukin/poster-editor
   */
-class PosterImage
+class PosterEditor
 {
     /**
      * Canvas resource
@@ -382,18 +382,18 @@ public function resize($width, $height, $scale = true, $upsize = true)
     public function crop($width, $height, $options = array())
     {
         $defaults = array(
-            'x' => '50%',
-            'y' => '50%',
+            'x' => null,
+            'y' => null,
         );
 
         $options = array_merge($defaults, $options);
 
-        if (substr($options['x'], -1) === '%') {
-            $options['x'] = $this->calcPercents($this->width, $width, $options['x']);
+        if (null === $options['x']) {
+            $options['x'] = $this->findCenter($this->width, $width);
         }
 
-        if (substr($options['y'], -1) === '%') {
-            $options['y'] = $this->calcPercents($this->height, $height, $options['y']);
+        if (null === $options['y']) {
+            $options['y'] = $this->findCenter($this->height, $height);
         }
 
         $temp = $this->resource;
@@ -705,25 +705,25 @@ public function blackout($level = 50)
     public function append($image, $options = array())
     {
         $defaults = array(
-            'x' => '50%',
-            'y' => '50%',
+            'x' => null,
+            'y' => null,
         );
 
         $options = array_merge($defaults, $options);
 
-        if (!($image instanceof PosterImage)) {
+        if (!($image instanceof PosterEditor)) {
             return $this->handleError('Image is not valid instance of this class.');
         }
 
         $width  = $image->width;
         $height = $image->height;
 
-        if (substr($options['x'], -1) === '%') {
-            $options['x'] = $this->calcPercents($this->width, $width, $options['x']);
+        if (null === $options['x']) {
+            $options['x'] = $this->findCenter($this->width, $width);
         }
 
-        if (substr($options['y'], -1) === '%') {
-            $options['y'] = $this->calcPercents($this->height, $height, $options['y']);
+        if (null === $options['y']) {
+            $options['y'] = $this->findCenter($this->height, $height);
         }
 
         imagecopyresampled($this->resource, $image->resource, $options['x'], $options['y'], 0, 0, $width, $height, $width, $height);
@@ -745,8 +745,8 @@ public function append($image, $options = array())
     public function insert($file, $options = array())
     {
         $defaults = array(
-            'x'      => '50%',
-            'y'      => '50%',
+            'x'      => null,
+            'y'      => null,
             'width'  => null,
             'height' => null,
         );
@@ -779,12 +779,12 @@ public function insert($file, $options = array())
             }
         }
 
-        if (substr($options['x'], -1) === '%') {
-            $options['x'] = ceil(($this->width - $options['width']) * (trim($options['x'], '%') / 100));
+        if (null === $options['x']) {
+            $options['x'] = $this->findCenter($this->width, $options['width']);
         }
 
-        if (substr($options['y'], -1) === '%') {
-            $options['y'] = ceil(($this->height - $options['height']) * (trim($options['y'], '%') / 100));
+        if (null === $options['y']) {
+            $options['y'] = $this->findCenter($this->height, $options['height']);
         }
 
         $temp = $this->createResource($file, $type);
@@ -1066,17 +1066,16 @@ protected function setType($format)
     }
 
     /**
-     * Calculate pixles from percents.
+     * Find image center usin from and to values.
      *
-     * @param integer $from  Source image size.
-     * @param integer $to    Destination image size.
-     * @param string  $value Value to parse.
+     * @param integer $from Source size.
+     * @param integer $to   Destination size.
      *
      * @return integer
      */
-    protected function calcPercents($from, $to, $value)
+    protected function findCenter($from, $to)
     {
-        return ceil(($from - $to) * (trim($value, '%') / 100));
+        return ceil(($from - $to) * 0.5);
     }
 
     /**