diff --git a/docs/api.md b/docs/api.md
index db34ae0..e3eec0c 100644
--- a/docs/api.md
+++ b/docs/api.md
@@ -111,7 +111,13 @@
 ### GET /api/preferences
 
 - **Description** : Récupération des préférences utilisateur
-- **Réponse** : `Preferences`
+- **Réponse** : `{ showThumbnails: boolean, cacheMode: "memory" | "file", showOnlyUnread: boolean, debug: boolean }`
+
+### PUT /api/preferences
+
+- **Description** : Mise à jour des préférences utilisateur
+- **Body** : `{ showThumbnails?: boolean, cacheMode?: "memory" | "file", showOnlyUnread?: boolean, debug?: boolean }`
+- **Réponse** : `{ showThumbnails: boolean, cacheMode: "memory" | "file", showOnlyUnread: boolean, debug: boolean }`
 
 ## 🧪 Test
 
diff --git a/src/components/settings/ClientSettings.tsx b/src/components/settings/ClientSettings.tsx
index dfe2aa1..7680eb0 100644
--- a/src/components/settings/ClientSettings.tsx
+++ b/src/components/settings/ClientSettings.tsx
@@ -339,6 +339,39 @@ export function ClientSettings({ initialConfig, initialTTLConfig }: ClientSettin
                   }}
                 />
               </div>
+              <div className="flex items-center justify-between">
+                <div className="space-y-0.5">
+                  <Label htmlFor="debug-mode">Mode debug</Label>
+                  <p className="text-sm text-muted-foreground">
+                    Afficher les informations de debug dans l'interface
+                  </p>
+                </div>
+                <Switch
+                  id="debug-mode"
+                  checked={preferences.debug}
+                  onCheckedChange={async (checked) => {
+                    try {
+                      await updatePreferences({ debug: checked });
+                      toast({
+                        title: "Préférences sauvegardées",
+                        description: `Le mode debug est maintenant ${
+                          checked ? "activé" : "désactivé"
+                        }`,
+                      });
+                    } catch (error) {
+                      console.error("Erreur détaillée:", error);
+                      toast({
+                        variant: "destructive",
+                        title: "Erreur",
+                        description:
+                          error instanceof Error
+                            ? error.message
+                            : "Une erreur est survenue lors de la mise à jour des préférences",
+                      });
+                    }
+                  }}
+                />
+              </div>
             </div>
           </div>
         </div>
diff --git a/src/contexts/PreferencesContext.tsx b/src/contexts/PreferencesContext.tsx
index ed7a401..d85ef4c 100644
--- a/src/contexts/PreferencesContext.tsx
+++ b/src/contexts/PreferencesContext.tsx
@@ -6,12 +6,14 @@ export interface UserPreferences {
   showThumbnails: boolean;
   cacheMode: "memory" | "file";
   showOnlyUnread: boolean;
+  debug: boolean;
 }
 
 const defaultPreferences: UserPreferences = {
   showThumbnails: true,
   cacheMode: "memory",
   showOnlyUnread: false,
+  debug: false,
 };
 
 interface PreferencesContextType {
@@ -67,11 +69,9 @@ export function PreferencesProvider({ children }: { children: React.ReactNode })
           ...prev,
           ...updatedPreferences,
         };
-        console.log("Nouvel état des préférences:", newState);
         return newState;
       });
     } catch (error) {
-      console.error("Erreur lors de la mise à jour des préférences:", error);
       throw error;
     }
   };
diff --git a/src/lib/models/preferences.model.ts b/src/lib/models/preferences.model.ts
index d367ad1..86cdd06 100644
--- a/src/lib/models/preferences.model.ts
+++ b/src/lib/models/preferences.model.ts
@@ -21,39 +21,48 @@ const preferencesSchema = new mongoose.Schema(
       default: false,
       required: false,
     },
+    debug: {
+      type: Boolean,
+      default: false,
+      required: false,
+    },
   },
   {
     timestamps: true,
     strict: true,
     toObject: {
       transform: function (doc, ret) {
-        // Assurez-vous que showOnlyUnread est toujours un booléen
-        ret.showOnlyUnread = ret.showOnlyUnread === true;
+        // Force la conversion en booléen
+        ret.showOnlyUnread = Boolean(ret.showOnlyUnread);
+        ret.debug = Boolean(ret.debug);
         return ret;
       },
     },
   }
 );
 
-// Middleware pour s'assurer que showOnlyUnread est toujours un booléen
+// Middleware pour s'assurer que les booléens sont toujours des booléens
 preferencesSchema.pre("save", function (next) {
   if (this.showOnlyUnread === undefined) {
     this.showOnlyUnread = false;
   }
-  this.showOnlyUnread = this.showOnlyUnread === true;
+  if (this.debug === undefined) {
+    this.debug = false;
+  }
+  this.showOnlyUnread = Boolean(this.showOnlyUnread);
+  this.debug = Boolean(this.debug);
   next();
 });
 
 preferencesSchema.pre("findOneAndUpdate", function (next) {
   const update = this.getUpdate() as mongoose.UpdateQuery<any>;
-  if (
-    update &&
-    "$set" in update &&
-    update.$set &&
-    typeof update.$set === "object" &&
-    "showOnlyUnread" in update.$set
-  ) {
-    update.$set.showOnlyUnread = update.$set.showOnlyUnread === true;
+  if (update && "$set" in update && update.$set && typeof update.$set === "object") {
+    if ("showOnlyUnread" in update.$set) {
+      update.$set.showOnlyUnread = Boolean(update.$set.showOnlyUnread);
+    }
+    if ("debug" in update.$set) {
+      update.$set.debug = Boolean(update.$set.debug);
+    }
   }
   next();
 });
diff --git a/src/lib/services/preferences.service.ts b/src/lib/services/preferences.service.ts
index 46af9f9..6dc2c44 100644
--- a/src/lib/services/preferences.service.ts
+++ b/src/lib/services/preferences.service.ts
@@ -10,12 +10,14 @@ export interface UserPreferences {
   showThumbnails: boolean;
   cacheMode: "memory" | "file";
   showOnlyUnread: boolean;
+  debug: boolean;
 }
 
 const defaultPreferences: UserPreferences = {
   showThumbnails: true,
   cacheMode: "memory",
   showOnlyUnread: false,
+  debug: false,
 };
 
 export class PreferencesService {
@@ -53,7 +55,6 @@ export class PreferencesService {
 
   static async updatePreferences(preferences: Partial<UserPreferences>): Promise<UserPreferences> {
     try {
-      console.log("Service - Préférences reçues pour mise à jour:", preferences);
       const user = await this.getCurrentUser();
       const updatedPreferences = await PreferencesModel.findOneAndUpdate(
         { userId: user.id },
@@ -61,12 +62,10 @@ export class PreferencesService {
         { new: true, upsert: true }
       );
 
-      console.log("Service - Document MongoDB après mise à jour:", updatedPreferences);
       const result = {
         ...defaultPreferences,
         ...updatedPreferences.toObject(),
       };
-      console.log("Service - Résultat final:", result);
       return result;
     } catch (error) {
       console.error("Error updating preferences:", error);