diff --git a/core/class/template.class.php b/core/class/template.class.php
index ff0b7ce6..7e7ff879 100644
--- a/core/class/template.class.php
+++ b/core/class/template.class.php
@@ -47,7 +47,8 @@ class template {
             'id' => $nameId,
             'name' => $nameId,
             'value' => '',
-            'limit' => false // captcha simple
+            'limit' => false, // captcha simple
+            'type'=> 'num' // num(érique) ou alpha(bétique)
         ], $attributes);
 
    // Captcha quatre opérations
@@ -114,14 +115,15 @@ class template {
         $secondLetter = uniqid();
 
         // Masquage image source pour éviter un décodage
-        copy ('core/vendor/zwiico/png/'.$letters[$firstNumber] .  '.png', 'site/tmp/' . $firstLetter . '.png');
-        copy ('core/vendor/zwiico/png/'.$letters[$secondNumber] . '.png', 'site/tmp/' . $secondLetter . '.png');
+        copy ('core/vendor/zwiico/png/' .  $attributes['type'] . '/' . $letters[$firstNumber] .  '.png', 'site/tmp/' . $firstLetter . '.png');
+        copy ('core/vendor/zwiico/png/' .  $attributes['type'] . '/' . $letters[$secondNumber] . '.png', 'site/tmp/' . $secondLetter . '.png');
 
+      
         // Début du wrapper
         $html = '<div id="' . $attributes['id'] . 'Wrapper" class="captcha inputWrapper ' . $attributes['classWrapper'] . '">';
         // Label
         $html .= self::label($attributes['id'],
-                 '<img src="' . helper::baseUrl(false) . 'site/tmp/' . $firstLetter . '.png" />&nbsp;<strong>' . $operator . '</strong>&nbsp;<img class="captchaNumber" src="' . helper::baseUrl(false) . 'site/tmp/' . $secondLetter . '.png" />  en chiffres ?', [
+                 '<img class="captcha' .  ucFirst($attributes['type']) . '"  src="' . helper::baseUrl(false) . 'site/tmp/' . $firstLetter . '.png" />&nbsp;<strong>' . $operator . '</strong>&nbsp;<img class="captcha' .  ucFirst($attributes['type']) . '" src="' . helper::baseUrl(false) . 'site/tmp/' . $secondLetter . '.png" />  en chiffres ?', [
                         'help' => $attributes['help']
                 ]);
 
diff --git a/core/layout/common.css b/core/layout/common.css
index ba135c73..fad64e3f 100755
--- a/core/layout/common.css
+++ b/core/layout/common.css
@@ -1660,8 +1660,15 @@ th.col12 {
 
 /* Captcha
 */
-.captcha img {
-	height: 30px;
+.captchaNum {
+	height: 50px;
+	vertical-align: middle;
+	padding-left: 10px;
+	padding-right: 10px;
+}
+
+.captchaAlpha {
+	height: 65px;
 	vertical-align: middle;
 	padding-left: 10px;
 	padding-right: 10px;
diff --git a/core/module/config/config.php b/core/module/config/config.php
index 7547a112..38ff3d51 100644
--- a/core/module/config/config.php
+++ b/core/module/config/config.php
@@ -184,7 +184,10 @@ class config extends common {
 		2 => 'Niveau 2 (192.168.x.x)',
 		1 => 'Niveau 3 (192.x.x.x)',
 	];
-
+	public static $captchaTypes = [
+		'num' => 'Chiffres',
+		'alpha'	  => 'Lettres'
+	];
 
 	// Langue traduite courante
 	public static $i18nSite = 'fr';
@@ -485,6 +488,7 @@ class config extends common {
 						'captcha' => $this->getInput('connectCaptcha',helper::FILTER_BOOLEAN),
 						'captchaStrong' => $this->getInput('connectCaptchaStrong',helper::FILTER_BOOLEAN),
 						'autoDisconnect' => $this->getInput('connectAutoDisconnect',helper::FILTER_BOOLEAN),
+						'captchaType' => $this->getInput('connectCaptchaType')
 					],
 					'i18n' => [
 						'enable' 			=> $this->getInput('localei18n',helper::FILTER_BOOLEAN),
diff --git a/core/module/config/view/connect/connect.php b/core/module/config/view/connect/connect.php
index b02198e5..1c618999 100644
--- a/core/module/config/view/connect/connect.php
+++ b/core/module/config/view/connect/connect.php
@@ -10,18 +10,24 @@
 					</span>
 				</h4>
 				<div class="row">
-					<div class="col4">
+					<div class="col3">
 						<?php echo template::checkbox('connectCaptcha', true, 'Captcha à la connexion', [
 							'checked' => $this->getData(['config', 'connect','captcha'])
 						]); ?>
 					</div>
-					<div class="col4">
+					<div class="col3">
 						<?php echo template::checkbox('connectCaptchaStrong', true, 'Captcha complexe', [
 							'checked' => $this->getData(['config', 'connect', 'captchaStrong']),
 							'help' => 'Option recommandée pour sécuriser la connexion. S\'applique à tous les captchas du site. Le captcha simple se limite à une addition de nombres de 0 à 10. Le captcha complexe utilise quatre opérations de nombres de 0 à 20. Activation recommandée.'
 						]); ?>
 					</div>
-					<div class="col4">
+					<div class="col3">
+						<?php echo template::select('connectCaptchaType', $module::$captchaTypes , [
+								'label' => 'Type de captcha',
+								'selected' => $this->getData(['config', 'connect', 'captchaType'])
+							]); ?>
+					</div>
+					<div class="col3">
 						<?php echo template::checkbox('connectAutoDisconnect', true, 'Déconnexion automatique', [
 								'checked' => $this->getData(['config','connect', 'autoDisconnect']),
 								'help' => 'Déconnecte les sessions ouvertes précédemment sur d\'autres navigateurs ou terminaux. Activation recommandée.'
diff --git a/core/module/install/ressource/defaultdata.php b/core/module/install/ressource/defaultdata.php
index 149725e6..3c3145f8 100644
--- a/core/module/install/ressource/defaultdata.php
+++ b/core/module/install/ressource/defaultdata.php
@@ -36,6 +36,7 @@ class init extends common {
 				'anonymousIp' => 2,
 				'captcha' => true,
 				'captchaStrong' => false,
+				"captchaType" => 'num',
 				'autoDisconnect' => true
 			],
 			'i18n' => [
diff --git a/core/module/user/view/login/login.php b/core/module/user/view/login/login.php
index 2e6363ea..c0e0732f 100644
--- a/core/module/user/view/login/login.php
+++ b/core/module/user/view/login/login.php
@@ -16,7 +16,8 @@
 		<div class="row">
 			<div class="col12 textAlignCenter">
 				<?php echo template::captcha('userLoginCaptcha', [
-					'limit' => $this->getData(['config','connect', 'captchaStrong'])
+					'limit' => $this->getData(['config','connect', 'captchaStrong']),
+					'type' => $this->getData(['config','connect', 'captchaType'])
 				]); ?>
 			</div>
 		</div>
diff --git a/core/vendor/zwiico/png/alpha/a.png b/core/vendor/zwiico/png/alpha/a.png
new file mode 100644
index 00000000..a9b6726c
Binary files /dev/null and b/core/vendor/zwiico/png/alpha/a.png differ
diff --git a/core/vendor/zwiico/png/alpha/b.png b/core/vendor/zwiico/png/alpha/b.png
new file mode 100644
index 00000000..fee7c021
Binary files /dev/null and b/core/vendor/zwiico/png/alpha/b.png differ
diff --git a/core/vendor/zwiico/png/alpha/c.png b/core/vendor/zwiico/png/alpha/c.png
new file mode 100644
index 00000000..2208fe51
Binary files /dev/null and b/core/vendor/zwiico/png/alpha/c.png differ
diff --git a/core/vendor/zwiico/png/alpha/d.png b/core/vendor/zwiico/png/alpha/d.png
new file mode 100644
index 00000000..879ec3e4
Binary files /dev/null and b/core/vendor/zwiico/png/alpha/d.png differ
diff --git a/core/vendor/zwiico/png/alpha/e.png b/core/vendor/zwiico/png/alpha/e.png
new file mode 100644
index 00000000..f3e67e01
Binary files /dev/null and b/core/vendor/zwiico/png/alpha/e.png differ
diff --git a/core/vendor/zwiico/png/alpha/f.png b/core/vendor/zwiico/png/alpha/f.png
new file mode 100644
index 00000000..e6593515
Binary files /dev/null and b/core/vendor/zwiico/png/alpha/f.png differ
diff --git a/core/vendor/zwiico/png/alpha/g.png b/core/vendor/zwiico/png/alpha/g.png
new file mode 100644
index 00000000..cba1212e
Binary files /dev/null and b/core/vendor/zwiico/png/alpha/g.png differ
diff --git a/core/vendor/zwiico/png/alpha/h.png b/core/vendor/zwiico/png/alpha/h.png
new file mode 100644
index 00000000..ee1437dc
Binary files /dev/null and b/core/vendor/zwiico/png/alpha/h.png differ
diff --git a/core/vendor/zwiico/png/alpha/i.png b/core/vendor/zwiico/png/alpha/i.png
new file mode 100644
index 00000000..09dac6ba
Binary files /dev/null and b/core/vendor/zwiico/png/alpha/i.png differ
diff --git a/core/vendor/zwiico/png/alpha/j.png b/core/vendor/zwiico/png/alpha/j.png
new file mode 100644
index 00000000..2dd0ada1
Binary files /dev/null and b/core/vendor/zwiico/png/alpha/j.png differ
diff --git a/core/vendor/zwiico/png/alpha/k.png b/core/vendor/zwiico/png/alpha/k.png
new file mode 100644
index 00000000..3bffa77a
Binary files /dev/null and b/core/vendor/zwiico/png/alpha/k.png differ
diff --git a/core/vendor/zwiico/png/alpha/l.png b/core/vendor/zwiico/png/alpha/l.png
new file mode 100644
index 00000000..793ed531
Binary files /dev/null and b/core/vendor/zwiico/png/alpha/l.png differ
diff --git a/core/vendor/zwiico/png/alpha/m.png b/core/vendor/zwiico/png/alpha/m.png
new file mode 100644
index 00000000..d1a95f78
Binary files /dev/null and b/core/vendor/zwiico/png/alpha/m.png differ
diff --git a/core/vendor/zwiico/png/alpha/n.png b/core/vendor/zwiico/png/alpha/n.png
new file mode 100644
index 00000000..344df248
Binary files /dev/null and b/core/vendor/zwiico/png/alpha/n.png differ
diff --git a/core/vendor/zwiico/png/alpha/o.png b/core/vendor/zwiico/png/alpha/o.png
new file mode 100644
index 00000000..2bb10649
Binary files /dev/null and b/core/vendor/zwiico/png/alpha/o.png differ
diff --git a/core/vendor/zwiico/png/alpha/p.png b/core/vendor/zwiico/png/alpha/p.png
new file mode 100644
index 00000000..1d31afc1
Binary files /dev/null and b/core/vendor/zwiico/png/alpha/p.png differ
diff --git a/core/vendor/zwiico/png/alpha/q.png b/core/vendor/zwiico/png/alpha/q.png
new file mode 100644
index 00000000..bf46e2c4
Binary files /dev/null and b/core/vendor/zwiico/png/alpha/q.png differ
diff --git a/core/vendor/zwiico/png/alpha/r.png b/core/vendor/zwiico/png/alpha/r.png
new file mode 100644
index 00000000..ed99bf15
Binary files /dev/null and b/core/vendor/zwiico/png/alpha/r.png differ
diff --git a/core/vendor/zwiico/png/alpha/s.png b/core/vendor/zwiico/png/alpha/s.png
new file mode 100644
index 00000000..ed3f7fce
Binary files /dev/null and b/core/vendor/zwiico/png/alpha/s.png differ
diff --git a/core/vendor/zwiico/png/alpha/t.png b/core/vendor/zwiico/png/alpha/t.png
new file mode 100644
index 00000000..966f682d
Binary files /dev/null and b/core/vendor/zwiico/png/alpha/t.png differ
diff --git a/core/vendor/zwiico/png/alpha/u.png b/core/vendor/zwiico/png/alpha/u.png
new file mode 100644
index 00000000..60f5b423
Binary files /dev/null and b/core/vendor/zwiico/png/alpha/u.png differ
diff --git a/core/vendor/zwiico/png/a.png b/core/vendor/zwiico/png/num/a.png
old mode 100755
new mode 100644
similarity index 100%
rename from core/vendor/zwiico/png/a.png
rename to core/vendor/zwiico/png/num/a.png
diff --git a/core/vendor/zwiico/png/b.png b/core/vendor/zwiico/png/num/b.png
old mode 100755
new mode 100644
similarity index 100%
rename from core/vendor/zwiico/png/b.png
rename to core/vendor/zwiico/png/num/b.png
diff --git a/core/vendor/zwiico/png/c.png b/core/vendor/zwiico/png/num/c.png
old mode 100755
new mode 100644
similarity index 100%
rename from core/vendor/zwiico/png/c.png
rename to core/vendor/zwiico/png/num/c.png
diff --git a/core/vendor/zwiico/png/d.png b/core/vendor/zwiico/png/num/d.png
old mode 100755
new mode 100644
similarity index 100%
rename from core/vendor/zwiico/png/d.png
rename to core/vendor/zwiico/png/num/d.png
diff --git a/core/vendor/zwiico/png/e.png b/core/vendor/zwiico/png/num/e.png
old mode 100755
new mode 100644
similarity index 100%
rename from core/vendor/zwiico/png/e.png
rename to core/vendor/zwiico/png/num/e.png
diff --git a/core/vendor/zwiico/png/f.png b/core/vendor/zwiico/png/num/f.png
old mode 100755
new mode 100644
similarity index 100%
rename from core/vendor/zwiico/png/f.png
rename to core/vendor/zwiico/png/num/f.png
diff --git a/core/vendor/zwiico/png/g.png b/core/vendor/zwiico/png/num/g.png
old mode 100755
new mode 100644
similarity index 100%
rename from core/vendor/zwiico/png/g.png
rename to core/vendor/zwiico/png/num/g.png
diff --git a/core/vendor/zwiico/png/h.png b/core/vendor/zwiico/png/num/h.png
old mode 100755
new mode 100644
similarity index 100%
rename from core/vendor/zwiico/png/h.png
rename to core/vendor/zwiico/png/num/h.png
diff --git a/core/vendor/zwiico/png/i.png b/core/vendor/zwiico/png/num/i.png
old mode 100755
new mode 100644
similarity index 100%
rename from core/vendor/zwiico/png/i.png
rename to core/vendor/zwiico/png/num/i.png
diff --git a/core/vendor/zwiico/png/j.png b/core/vendor/zwiico/png/num/j.png
old mode 100755
new mode 100644
similarity index 100%
rename from core/vendor/zwiico/png/j.png
rename to core/vendor/zwiico/png/num/j.png
diff --git a/core/vendor/zwiico/png/k.png b/core/vendor/zwiico/png/num/k.png
old mode 100755
new mode 100644
similarity index 100%
rename from core/vendor/zwiico/png/k.png
rename to core/vendor/zwiico/png/num/k.png
diff --git a/core/vendor/zwiico/png/l.png b/core/vendor/zwiico/png/num/l.png
old mode 100755
new mode 100644
similarity index 100%
rename from core/vendor/zwiico/png/l.png
rename to core/vendor/zwiico/png/num/l.png
diff --git a/core/vendor/zwiico/png/m.png b/core/vendor/zwiico/png/num/m.png
old mode 100755
new mode 100644
similarity index 100%
rename from core/vendor/zwiico/png/m.png
rename to core/vendor/zwiico/png/num/m.png
diff --git a/core/vendor/zwiico/png/n.png b/core/vendor/zwiico/png/num/n.png
old mode 100755
new mode 100644
similarity index 100%
rename from core/vendor/zwiico/png/n.png
rename to core/vendor/zwiico/png/num/n.png
diff --git a/core/vendor/zwiico/png/o.png b/core/vendor/zwiico/png/num/o.png
old mode 100755
new mode 100644
similarity index 100%
rename from core/vendor/zwiico/png/o.png
rename to core/vendor/zwiico/png/num/o.png
diff --git a/core/vendor/zwiico/png/p.png b/core/vendor/zwiico/png/num/p.png
old mode 100755
new mode 100644
similarity index 100%
rename from core/vendor/zwiico/png/p.png
rename to core/vendor/zwiico/png/num/p.png
diff --git a/core/vendor/zwiico/png/q.png b/core/vendor/zwiico/png/num/q.png
old mode 100755
new mode 100644
similarity index 100%
rename from core/vendor/zwiico/png/q.png
rename to core/vendor/zwiico/png/num/q.png
diff --git a/core/vendor/zwiico/png/r.png b/core/vendor/zwiico/png/num/r.png
old mode 100755
new mode 100644
similarity index 100%
rename from core/vendor/zwiico/png/r.png
rename to core/vendor/zwiico/png/num/r.png
diff --git a/core/vendor/zwiico/png/s.png b/core/vendor/zwiico/png/num/s.png
old mode 100755
new mode 100644
similarity index 100%
rename from core/vendor/zwiico/png/s.png
rename to core/vendor/zwiico/png/num/s.png
diff --git a/core/vendor/zwiico/png/t.png b/core/vendor/zwiico/png/num/t.png
old mode 100755
new mode 100644
similarity index 100%
rename from core/vendor/zwiico/png/t.png
rename to core/vendor/zwiico/png/num/t.png
diff --git a/core/vendor/zwiico/png/u.png b/core/vendor/zwiico/png/num/u.png
old mode 100755
new mode 100644
similarity index 100%
rename from core/vendor/zwiico/png/u.png
rename to core/vendor/zwiico/png/num/u.png
diff --git a/module/blog/view/article/article.php b/module/blog/view/article/article.php
index d6523d8a..7f157e35 100644
--- a/module/blog/view/article/article.php
+++ b/module/blog/view/article/article.php
@@ -116,7 +116,8 @@
 				<div class="row">
 					<div class="col12">
 						<?php echo template::captcha('blogArticleCaptcha', [
-							'limit' => $this->getData(['config','connect', 'captchaStrong'])
+							'limit' => $this->getData(['config','connect', 'captchaStrong']),
+							'type' => $this->getData(['config','connect', 'captchaType'])
 						]); ?>
 					</div>
 				</div>
diff --git a/module/form/view/index/index.php b/module/form/view/index/index.php
index ade838e2..6eba5cc9 100644
--- a/module/form/view/index/index.php
+++ b/module/form/view/index/index.php
@@ -47,7 +47,8 @@
 			<div class="row">
 				<div class="col12 textAlignCenter">
 					<?php echo template::captcha('formCaptcha', [
-						'limit' => $this->getData(['config','connect', 'captchaStrong'])
+						'limit' => $this->getData(['config','connect', 'captchaStrong']),
+						'type' => $this->getData(['config','connect', 'captchaType'])
 					]); ?>
 				</div>
 			</div>