diff --git a/admin/api/clean-media.php b/admin/api/clean-media.php
new file mode 100644
index 0000000..52b59d9
--- /dev/null
+++ b/admin/api/clean-media.php
@@ -0,0 +1,125 @@
+<?php
+require_once '../../includes/config.php';
+require_once '../../includes/auth.php';
+require_once '../../includes/stories.php';
+
+// Vérification de l'authentification
+if (!Auth::check()) {
+    http_response_code(401);
+    exit(json_encode(['error' => 'Non autorisé']));
+}
+
+function extractImagePaths($content) {
+    $paths = [];
+    
+    // Si le contenu est du JSON (format Delta de Quill)
+    if (is_string($content) && isJson($content)) {
+        $delta = json_decode($content, true);
+        if (isset($delta['ops'])) {
+            foreach ($delta['ops'] as $op) {
+                if (isset($op['insert']['image'])) {
+                    $paths[] = normalizeImagePath($op['insert']['image']);
+                }
+            }
+        }
+    } else {
+        // Si le contenu est du HTML
+        preg_match_all('/src=["\']([^"\']+)["\']/', $content, $matches);
+        if (!empty($matches[1])) {
+            foreach ($matches[1] as $path) {
+                $paths[] = normalizeImagePath($path);
+            }
+        }
+    }
+    
+    return $paths;
+}
+
+function normalizeImagePath($path) {
+    // Supprimer les "../" au début du chemin
+    $path = preg_replace('/^(?:\.\.\/)+/', '', $path);
+    return $path;
+}
+
+function isJson($string) {
+    json_decode($string);
+    return json_last_error() === JSON_ERROR_NONE;
+}
+
+try {
+    $unusedFiles = [];
+    $usedFiles = [];
+    $totalSpace = 0;
+    $freedSpace = 0;
+    
+    // Collecter tous les fichiers dans le dossier chapters
+    $chaptersDir = __DIR__ . '/../../assets/images/chapters/';
+    $allFiles = [];
+    
+    foreach (glob($chaptersDir . '*', GLOB_ONLYDIR) as $storyDir) {
+        $storyId = basename($storyDir);
+        foreach (glob($storyDir . '/*') as $file) {
+            if (is_file($file)) {
+                $relativePath = 'assets/images/chapters/' . $storyId . '/' . basename($file);
+                $allFiles[$relativePath] = $file;
+                $totalSpace += filesize($file);
+            }
+        }
+    }
+    
+    // Parcourir tous les romans et leurs chapitres
+    $stories = Stories::getAll();
+    foreach ($stories as $story) {
+        // Vérifier la description du roman
+        if (!empty($story['description'])) {
+            $usedFiles = array_merge($usedFiles, extractImagePaths($story['description']));
+        }
+        
+        // Vérifier les chapitres
+        if (!empty($story['chapters'])) {
+            foreach ($story['chapters'] as $chapter) {
+                if (!empty($chapter['content'])) {
+                    $usedFiles = array_merge($usedFiles, extractImagePaths($chapter['content']));
+                }
+            }
+        }
+    }
+    
+    // Identifier les fichiers non utilisés
+    foreach ($allFiles as $relativePath => $fullPath) {
+        if (!in_array($relativePath, $usedFiles)) {
+            $unusedFiles[] = [
+                'path' => $relativePath,
+                'size' => filesize($fullPath)
+            ];
+            $freedSpace += filesize($fullPath);
+            
+            // Supprimer le fichier
+            unlink($fullPath);
+        }
+    }
+    
+    // Nettoyer les dossiers vides
+    foreach (glob($chaptersDir . '*', GLOB_ONLYDIR) as $storyDir) {
+        if (count(glob("$storyDir/*")) === 0) {
+            rmdir($storyDir);
+        }
+    }
+    
+    echo json_encode([
+        'success' => true,
+        'stats' => [
+            'filesRemoved' => count($unusedFiles),
+            'totalSpace' => $totalSpace,
+            'freedSpace' => $freedSpace,
+            'details' => $unusedFiles
+        ]
+    ]);
+    
+} catch (Exception $e) {
+    http_response_code(500);
+    echo json_encode([
+        'success' => false,
+        'error' => $e->getMessage()
+    ]);
+}
\ No newline at end of file
diff --git a/admin/options.php b/admin/options.php
index ce1b86f..036b734 100644
--- a/admin/options.php
+++ b/admin/options.php
@@ -212,8 +212,14 @@ $config = Config::load();
                         ?>
                     </div>
                     <button type="button" id="addLink" class="button">Ajouter un lien</button>
-                    
+                    <br />
                     <button type="submit" class="button submit-button">Enregistrer les modifications</button>
+                    <!-- Section Nettoyage des médias -->
+                    <h2>Maintenance</h2>
+                    <div class="maintenance-actions">
+                        <button type="button" id="cleanMedia" class="button">Nettoyer les médias inutilisés</button>
+                        <small>Supprime les images qui ne sont plus utilisées dans les romans et chapitres.</small>
+                    </div>
                 </form>
             </section>
         </div>
diff --git a/assets/css/forms.css b/assets/css/forms.css
index daa31c2..6c8f0e9 100644
--- a/assets/css/forms.css
+++ b/assets/css/forms.css
@@ -187,6 +187,23 @@
     margin-top: var(--spacing-xl);
 }
 
+/* Nettoyage des médias */
+.maintenance-actions {
+    margin: var(--spacing-lg) 0;
+    padding: var(--spacing-md);
+    background: var(--bg-secondary);
+    border-radius: var(--radius-sm);
+}
+
+.maintenance-actions button {
+    margin-bottom: var(--spacing-xs);
+}
+
+.maintenance-actions small {
+    display: block;
+    color: var(--text-secondary);
+}
+
 /* Responsive */
 @media (max-width: 768px) {
     .options-section {
diff --git a/assets/js/options.js b/assets/js/options.js
index 87dedd2..d41a7c3 100644
--- a/assets/js/options.js
+++ b/assets/js/options.js
@@ -192,4 +192,36 @@ document.addEventListener('DOMContentLoaded', function() {
             setTimeout(() => notification.remove(), 300);
         }, 3000);
     }
+
+    // Gestion du nettoyage des médias
+    const cleanMediaBtn = document.getElementById('cleanMedia');
+    if (cleanMediaBtn) {
+        cleanMediaBtn.addEventListener('click', async () => {
+            confirmDialog.show({
+                title: 'Nettoyage des médias',
+                message: 'Voulez-vous vraiment supprimer toutes les images qui ne sont plus utilisées ? Cette action est irréversible.',
+                confirmText: 'Nettoyer',
+                confirmClass: 'danger',
+                onConfirm: async () => {
+                    try {
+                        const response = await fetch('api/clean-media.php');
+                        if (!response.ok) throw new Error('Erreur réseau');
+                        
+                        const result = await response.json();
+                        if (result.success) {
+                            const stats = result.stats;
+                            const mbFreed = (stats.freedSpace / (1024 * 1024)).toFixed(2);
+                            const message = `${stats.filesRemoved} fichier(s) supprimé(s).\n${mbFreed} Mo d'espace libéré.`;
+                            showNotification(message);
+                        } else {
+                            throw new Error(result.error || 'Une erreur est survenue');
+                        }
+                    } catch (error) {
+                        console.error('Erreur:', error);
+                        showNotification(error.message, 'error');
+                    }
+                }
+            });
+        });
+    }
 });
\ No newline at end of file