diff --git a/src/frontend/app/administration/group/group.component.html b/src/frontend/app/administration/group/group.component.html
index 4c62ccbd3ce45abfe5e388038b1352beebc453dc..d23a74a4cab79ca2a5f0bf034722d646d302cafb 100644
--- a/src/frontend/app/administration/group/group.component.html
+++ b/src/frontend/app/administration/group/group.component.html
@@ -10,7 +10,7 @@
     <ion-content>
         <ion-item>
             <ion-label color="secondary" position="floating">{{'lang.label' | translate}} *</ion-label>
-            <ion-input name="label" [(ngModel)]="group.label" required>
+            <ion-input name="label" [maxlength]="128" [(ngModel)]="group.label" required>
             </ion-input>
         </ion-item>
         <ion-item lines="none" *ngIf="!creationMode">
diff --git a/src/frontend/app/administration/user/user.component.html b/src/frontend/app/administration/user/user.component.html
index 044c3defd9c48326d2551ee3262ea0e60b95c406..fd02bc6b91e80d3d9ab43cab21dd7d688998f599 100644
--- a/src/frontend/app/administration/user/user.component.html
+++ b/src/frontend/app/administration/user/user.component.html
@@ -30,20 +30,20 @@
         <ion-content>
             <ion-item>
                 <ion-label color="secondary" position="floating">{{'lang.login' | translate}} *</ion-label>
-                <ion-input name="login" [readonly]="!creationMode" [(ngModel)]="user.login" required pattern="^[\w.@-]*$">
+                <ion-input name="login" [maxlength]="128" [readonly]="!creationMode" [(ngModel)]="user.login" required pattern="^[\w.@-]*$">
                 </ion-input>
             </ion-item>
             <ion-item>
                 <ion-label color="secondary" position="floating">{{'lang.firstname' | translate}} *</ion-label>
-                <ion-input name="firstname" [(ngModel)]="user.firstname" required></ion-input>
+                <ion-input name="firstname" [maxlength]="128" [(ngModel)]="user.firstname" required></ion-input>
             </ion-item>
             <ion-item>
                 <ion-label color="secondary" position="floating">{{'lang.lastname' | translate}} *</ion-label>
-                <ion-input name="lastname" [(ngModel)]="user.lastname" required></ion-input>
+                <ion-input name="lastname" [maxlength]="128" [(ngModel)]="user.lastname" required></ion-input>
             </ion-item>
             <ion-item>
                 <ion-label color="secondary" position="floating">{{'lang.email' | translate}} *</ion-label>
-                <ion-input type="email" name="email" [(ngModel)]="user.email" required
+                <ion-input type="email" name="email" [maxlength]="128" [(ngModel)]="user.email" required
                     pattern="(^[a-zA-Z0-9_.+-]+@[a-zA-Z0-9-]+\.[a-zA-Z0-9-.]+$)"></ion-input>
             </ion-item>
             <ion-item>
diff --git a/src/frontend/app/indexation/indexation.component.html b/src/frontend/app/indexation/indexation.component.html
index 4b7fd9353eda82d9bffe33fb494032903649c825..cd0c72d916babfa6de1811e1d854f295cdead763 100644
--- a/src/frontend/app/indexation/indexation.component.html
+++ b/src/frontend/app/indexation/indexation.component.html
@@ -28,7 +28,7 @@
                 </ion-buttons>
                 <ion-item style="width: 100%;">
                     <ion-label position="floating" color="secondary">{{'lang.reference' | translate}}</ion-label>
-                    <ion-input placeholder="{{'lang.fileReference' | translate}}" matInput type="text" [(ngModel)]="file.reference" [disabled]="!file.mainDocument"></ion-input>
+                    <ion-input placeholder="{{'lang.fileReference' | translate}}" matInput type="text" [maxlength]="64" [(ngModel)]="file.reference" [disabled]="!file.mainDocument"></ion-input>
                 </ion-item>
                 <ion-item style="width: 100%;">
                     <ion-label position="floating" color="secondary">{{'lang.subject' | translate}} *</ion-label>
diff --git a/src/frontend/app/profile/profile.component.html b/src/frontend/app/profile/profile.component.html
index 1139335454a6e4f3324b0d5954ab112e56ab57a8..988d3da183f33d5bc9db50366d77eb2c7f554128 100644
--- a/src/frontend/app/profile/profile.component.html
+++ b/src/frontend/app/profile/profile.component.html
@@ -35,21 +35,21 @@
                         <img [src]="avatarInfo.picture">
                       </ion-avatar>
                     <ion-label color="secondary" position="floating">{{'lang.login' | translate}}</ion-label>
-                    <ion-input name="login" [(ngModel)]="profileInfo.login" readonly required></ion-input>
+                    <ion-input name="login" [maxlength]="128" [(ngModel)]="profileInfo.login" readonly required></ion-input>
                     <input #uploadFile type="file" style="display:none;" (change)="handleFileInput($event.target.files)">
                 </ion-item>
                 <ion-item>
                     <ion-label color="secondary" position="floating">{{'lang.email' | translate}}</ion-label>
-                    <ion-input name="email" [(ngModel)]="profileInfo.email"
+                    <ion-input name="email" [maxlength]="128" [(ngModel)]="profileInfo.email"
                         pattern="(^[a-zA-Z0-9_.+-]+@[a-zA-Z0-9-]+\.[a-zA-Z0-9-.]+$)" [readonly]="authService.authMode !== 'default'" required></ion-input>
                 </ion-item>
                 <ion-item>
                     <ion-label color="secondary" position="floating">{{'lang.firstname' | translate}}</ion-label>
-                    <ion-input name="firstname" [(ngModel)]="profileInfo.firstname" [readonly]="authService.authMode !== 'default'" required></ion-input>
+                    <ion-input name="firstname" [maxlength]="128" [(ngModel)]="profileInfo.firstname" [readonly]="authService.authMode !== 'default'" required></ion-input>
                 </ion-item>
                 <ion-item>
                     <ion-label color="secondary" position="floating">{{'lang.lastname' | translate}}</ion-label>
-                    <ion-input name="lastname" [(ngModel)]="profileInfo.lastname" [readonly]="authService.authMode !== 'default'" required></ion-input>
+                    <ion-input name="lastname" [maxlength]="128" [(ngModel)]="profileInfo.lastname" [readonly]="authService.authMode !== 'default'" required></ion-input>
                 </ion-item>
                 <div *ngIf="authService.authMode === 'default'">
                     <ion-list-header lines="none">