diff --git a/lib/util.php b/lib/util.php
index fd3686934..7d337e513 100644
--- a/lib/util.php
+++ b/lib/util.php
@@ -69,6 +69,34 @@ if (!function_exists('str_contains')) {
     }
 }
 
+if (!function_exists('str_to_lower')) {
+    /**
+     * Converts a string in the lower-case version.
+     *
+     * @param string $string
+     *
+     * @return bool
+     */
+    function str_to_lower($string)
+    {
+        return S::create($string)->toLowerCase();
+    }
+}
+
+if (!function_exists('str_to_upper')) {
+    /**
+     * Converts a string in the upper-case version.
+     *
+     * @param string $string
+     *
+     * @return bool
+     */
+    function str_to_upper($string)
+    {
+        return S::create($string)->toUpperCase();
+    }
+}
+
 if (!function_exists('random_string')) {
     /**
      * Generates a string of random characters.
diff --git a/modules/articoli/import.php b/modules/articoli/import.php
index 6117a66c9..b0510e0ea 100644
--- a/modules/articoli/import.php
+++ b/modules/articoli/import.php
@@ -123,8 +123,6 @@ return [
         'names' => [
             'Unità di misura',
             'Unità misura',
-            'unità misura',
-            'unità di misura',
             'Unit` di misura',
             'um',
         ],
@@ -132,18 +130,10 @@ return [
     [
         'field' => 'prezzo_acquisto',
         'label' => 'Prezzo acquisto',
-        'names' => [
-            'Prezzo Acquisto',
-            'prezzo acquisto',
-        ],
     ],
     [
         'field' => 'prezzo_vendita',
         'label' => 'Prezzo vendita',
-        'names' => [
-            'Prezzo Vendita',
-            'prezzo vendita',
-        ],
     ],
     [
         'field' => 'peso_lordo',
@@ -158,7 +148,7 @@ return [
         'label' => 'Volume (M3)',
         'names' => [
             'Volume (M3)',
-            'volume',
+            'Volume',
         ],
     ],
     [
@@ -168,7 +158,6 @@ return [
             'Categoria',
             'id_categoria',
             'idcategoria',
-            'categoria',
         ],
     ],
     [
diff --git a/modules/custom_fields/edit.php b/modules/custom_fields/edit.php
index aaaeabf4e..7502b091d 100644
--- a/modules/custom_fields/edit.php
+++ b/modules/custom_fields/edit.php
@@ -8,7 +8,7 @@ include_once __DIR__.'/../../core.php';
 	<input type="hidden" name="backto" value="record-edit">
 	<input type="hidden" name="id_record" value="<?php echo $id_record; ?>">
 
-<div class="row">
+    <div class="row">
 		<div class="col-md-6">
 			{[ "type": "select", "label": "<?php echo tr('Modulo'); ?>", "name": "module_id", "values": "query=SELECT id, name as text FROM zz_modules WHERE enabled = 1", "value": "$id_module$" ]}
 		</div>
@@ -45,6 +45,43 @@ include_once __DIR__.'/../../core.php';
 	</div>
 </form>
 
+<!-- Campi extra -->
+<div class="box box-info">
+    <div class="box-header">
+        <h3 class="box-title"><?php echo tr('Istruzioni per il campo _FIELD_', [
+            '_FIELD_' => tr('Contenuto'),
+        ]); ?></h3>
+    </div>
+
+    <div class="box-body">
+        <p><?php echo tr('Le seguenti sequenze di testo vengono sostituite nel seguente modo'); ?>:</p>
+        <ul>
+<?php
+$list = [
+    'name' => tr('Nome'),
+    'html_name' => tr('Nome HTML'),
+];
+
+foreach ($list as $key => $value) {
+    echo '
+            <li>'.tr('_TEXT_ con il valore del campo "_FIELD_"', [
+                '_TEXT_' => '<code>|'.$key.'|</code>',
+                '_FIELD_' => $value,
+            ]).'</li>';
+}
+
+echo '
+            <li>'.tr('_TEXT_ con il valore impostato per il record', [
+                '_TEXT_' => '<code>|value</code>',
+            ]).'</li>';
+
+?>
+        </ul>
+    </div>
+</div>
+
+<hr>
+
 <a class="btn btn-danger ask" data-backto="record-list">
     <i class="fa fa-trash"></i> <?php echo tr('Elimina'); ?>
 </a>
diff --git a/modules/import/actions.php b/modules/import/actions.php
index f6cc18e5b..b3789b2b7 100644
--- a/modules/import/actions.php
+++ b/modules/import/actions.php
@@ -20,6 +20,9 @@ switch (post('op')) {
             'headers' => $first_row,
         ]);
 
+        // Gestione automatica dei valori convertiti
+        $csv = Filter::parse($csv);
+
         // Interpretazione dei dati
         $data = [];
         foreach ($csv as $row) {
diff --git a/modules/import/edit.php b/modules/import/edit.php
index a479a6560..916f747d4 100644
--- a/modules/import/edit.php
+++ b/modules/import/edit.php
@@ -65,7 +65,7 @@ if (empty($id_record)) {
         // Individuazione delle corrispondenze
         $selected = null;
         foreach ($fields as $key => $value) {
-            if (in_array($rows[0][$column], $value['names'])) {
+            if (in_array(str_to_lower($rows[0][$column]), $value['names'])) {
                 $first_row = 1;
                 $selected = $key;
                 break;
diff --git a/src/Import.php b/src/Import.php
index 9cedc55a0..86e02a021 100644
--- a/src/Import.php
+++ b/src/Import.php
@@ -77,11 +77,20 @@ class Import
         // Impostazione automatica dei nomi "ufficiali" dei campi
         foreach ($fields as $key => $value) {
             if (!isset($value['names'])) {
-                $fields[$key]['names'] = [
+                $names = [
                     $value['field'],
                     $value['label'],
                 ];
+            } else {
+                $names = $value['names'];
             }
+
+            // Impostazione dei nomi in minuscolo
+            foreach ($names as $k => $v) {
+                $names[$k] = str_to_lower($v);
+            }
+
+            $fields[$key]['names'] = $names;
         }
 
         return $fields;