diff --git a/src/Get.php b/src/Get.php
deleted file mode 100644
index f9a98aa..0000000
--- a/src/Get.php
+++ /dev/null
@@ -1,126 +0,0 @@
-<?php
-
-declare(strict_types=1);
-
-namespace ClitorIsProtocol\Kevacoin;
-
-class Get
-{
-    private array $_errors = [];
-
-    // Decode pieces (by keva_get namespace response)
-    public function decode(array $pieces): ?string
-    {
-        $chain = [];
-
-        foreach ($pieces as $piece)
-        {
-            // validate piece
-            if (!isset($piece->key) || !isset($piece->value) || !isset($piece->height))
-            {
-                $this->_errors[] = _('invalid piece format');
-
-                // free mem
-                $chain  = [];
-                $pieces = [];
-
-                return null;
-            }
-
-            // skip meta keys
-            if (false !== stripos($piece->key, '_'))
-            {
-                continue;
-            }
-
-            $chain[$piece->key][$piece->height] = $piece->value;
-        }
-
-        $pieces = [];
-
-        foreach ($chain as $key => $height)
-        {
-            ksort(
-                $height
-            );
-
-            $pieces[$key] = $height[array_key_last($height)];
-        }
-
-        ksort(
-            $pieces
-        );
-
-        if (!$data = @base64_decode(implode('', $pieces)))
-        {
-            $this->_errors[] = _('could not decode content data');
-
-            // free mem
-            $chain  = [];
-            $pieces = [];
-
-            return null;
-        }
-
-        // free mem
-        $chain  = [];
-        $pieces = [];
-
-        return $data;
-    }
-
-    // Validate keva_get _CLITOR_IS_ value
-    public function clitorIs(string $value): bool
-    {
-        if (!$meta = @json_decode($value))
-        {
-            $this->_errors[] = _('[_CLITOR_IS_] decode error');
-
-            return false;
-        }
-
-        switch (false)
-        {
-            // version
-            case isset($meta->version) && preg_match('/[\d]{2}\.[\d]{2}\.[\d]{2}/', $meta->version):
-
-                $this->_errors[] = _('[_CLITOR_IS_] version not compatible');
-
-            // model
-            case isset($meta->model->name)               && $meta->model->name !== 'kevacoin'        &&
-                 isset($meta->model->software)           && is_object($meta->model->software)        &&
-                 isset($meta->model->software->version)  && is_int($meta->model->software->version)  &&
-                 isset($meta->model->software->protocol) && is_int($meta->model->software->protocol) &&
-                 isset($meta->model->namespace)          && preg_match('/^N[0-9A-z]{33}$/', $meta->model->namespace):
-
-                $this->_errors[] = _('[_CLITOR_IS_] model not compatible');
-
-            // pieces
-            case isset($meta->pieces)        && is_object($meta->pieces)     &&
-                 isset($meta->pieces->total) && is_int($meta->pieces->total) && $meta->pieces->total > 1 &&
-                 isset($meta->pieces->size)  && is_int($meta->pieces->size)  && $meta->pieces->size >= 1
-                                                                             && $meta->pieces->size <= 3072:
-
-                $this->_errors[] = _('[_CLITOR_IS_] pieces not compatible');
-
-            // file
-            case isset($meta->file)       && is_object($meta->file)       &&
-                 isset($meta->file->name) && is_string($meta->file->name) &&
-                 isset($meta->file->mime) && is_string($meta->file->mime) &&
-                 isset($meta->file->size) && is_int($meta->file->size)    &&
-                 isset($meta->file->md5)  && is_string($meta->file->md5):
-
-                $this->_errors[] = _('[_CLITOR_IS_] file not compatible');
-
-            return false;
-        }
-
-        return true;
-    }
-
-    // Dump tool
-    public function errors(): array
-    {
-        return $this->_errors;
-    }
-}
\ No newline at end of file
diff --git a/src/Reader.php b/src/Reader.php
new file mode 100644
index 0000000..1f8d32d
--- /dev/null
+++ b/src/Reader.php
@@ -0,0 +1,154 @@
+<?php
+
+declare(strict_types=1);
+
+namespace ClitorIsProtocol\Kevacoin;
+
+class Reader
+{
+    private array  $_errors = [];
+    private array  $_meta   = [];
+
+    public function __construct(string $value)
+    {
+        if (!$meta = @json_decode($value, true))
+        {
+            $this->_errors[] = _('[_CLITOR_IS_] decode error');
+        }
+
+        if // version valid
+        (!
+            (
+                isset($meta['version']) && preg_match('/[\d]{2}\.[\d]{2}\.[\d]{2}/', $meta['version'])
+            )
+        ) $this->_errors[] = _('[_CLITOR_IS_] version not compatible');
+
+        if // model valid
+        (!
+            (
+                isset($meta['model'])                         && is_array($meta['model'])                          &&
+                isset($meta['model']['name'])                 && strtolower($meta['model']['name']) === 'kevacoin' &&
+                isset($meta['model']['software'])             && is_array($meta['model']['software'])              &&
+                isset($meta['model']['software']['version'])  && is_int($meta['model']['software']['version'])     &&
+                isset($meta['model']['software']['protocol']) && is_int($meta['model']['software']['protocol'])    &&
+                isset($meta['model']['namespace'])            && preg_match('/^N[0-9A-z]{33}$/', $meta['model']['namespace'])
+            )
+        ) $this->_errors[] = _('[_CLITOR_IS_] model not compatible');
+
+        // pieces valid
+        if
+        (!
+            (
+                isset($meta['pieces'])          && is_array($meta['pieces'])        &&
+                isset($meta['pieces']['total']) && is_int($meta['pieces']['total']) && $meta['pieces']['total'] > 1 &&
+                isset($meta['pieces']['size'])  && is_int($meta['pieces']['size'])  && $meta['pieces']['size'] >= 1
+                                                                                    && $meta['pieces']['size'] <= 3072
+            )
+        ) $this->_errors[] = _('[_CLITOR_IS_] pieces not compatible');
+
+        if // file valid
+        (!
+            (
+                isset($meta['file'])         && is_array($meta['file'])          &&
+                isset($meta['file']['name']) && is_string($meta['file']['name']) &&
+                isset($meta['file']['mime']) && is_string($meta['file']['mime']) &&
+                isset($meta['file']['size']) && is_int($meta['file']['size'])    &&
+                isset($meta['file']['md5'])  && is_string($meta['file']['md5'])
+            )
+        ) $this->_errors[] = _('[_CLITOR_IS_] file not compatible');
+
+        if (!$this->_errors) $this->_meta = $meta;
+    }
+
+    // Decode pieces data (by keva_get namespace response)
+    public function data(array $pieces, bool $decode = true): ?string
+    {
+        $chain = [];
+
+        foreach ($pieces as $piece)
+        {
+            // validate piece
+            if (!isset($piece['key']) || !isset($piece['value']) || !isset($piece['height']))
+            {
+                $this->_errors[] = _('invalid piece format');
+
+                // free mem
+                $chain  = [];
+                $pieces = [];
+
+                return null;
+            }
+
+            // skip meta keys
+            if (false !== stripos($piece['key'], '_'))
+            {
+                continue;
+            }
+
+            $chain[$piece['key']][$piece['height']] = $piece['value'];
+        }
+
+        $pieces = [];
+
+        foreach ($chain as $key => $height)
+        {
+            ksort(
+                $height
+            );
+
+            $pieces[$key] = $height[array_key_last($height)];
+        }
+
+        ksort(
+            $pieces
+        );
+
+        $data = implode('', $pieces);
+
+        if ($decode)
+        {
+            if (!$data = @base64_decode($data))
+            {
+                $this->_errors[] = _('could not decode content data');
+
+                // free mem
+                $chain  = [];
+                $pieces = [];
+
+                return null;
+            }
+        }
+
+        return $data;
+    }
+
+    // Get File MIME
+    public function fileMime(): ?string
+    {
+        return !empty($this->_meta['file']['mime']) ? $this->_meta['file']['mime'] : null;
+    }
+
+    // Get File Length
+    public function fileLength(): ?string
+    {
+        return !empty($this->_meta['file']['length']) ? $this->_meta['file']['length'] : null;
+    }
+
+    // Get File Name
+    public function fileName(): ?string
+    {
+        return !empty($this->_meta['file']['name']) ? $this->_meta['file']['name'] : null;
+    }
+
+    // Validate _CLITOR_IS_
+    public function valid(): bool
+    {
+        return !$this->_errors;
+    }
+
+    // Dump tool
+    public function errors(): array
+    {
+        return $this->_errors;
+    }
+}
\ No newline at end of file