diff --git a/ui-ngx/src/app/modules/home/pages/admin/resource/js-resource.component.ts b/ui-ngx/src/app/modules/home/pages/admin/resource/js-resource.component.ts
index 4a67bd10c8..ca52d61ccf 100644
--- a/ui-ngx/src/app/modules/home/pages/admin/resource/js-resource.component.ts
+++ b/ui-ngx/src/app/modules/home/pages/admin/resource/js-resource.component.ts
@@ -32,7 +32,7 @@ import {
 } from '@shared/models/resource.models';
 import { startWith, takeUntil } from 'rxjs/operators';
 import { ActionNotificationShow } from '@core/notification/notification.actions';
-import { isDefinedAndNotNull } from '@core/utils';
+import { base64toString, isDefinedAndNotNull, stringToBase64 } from '@core/utils';
 import { getCurrentAuthState } from '@core/auth/auth.selectors';
 
 @Component({
@@ -84,13 +84,13 @@ export class JsResourceComponent extends EntityComponent<Resource> implements On
       resourceSubType: [entity?.resourceSubType ? entity.resourceSubType : ResourceSubType.EXTENSION, Validators.required],
       fileName: [entity ? entity.fileName : null, Validators.required],
       data: [entity ? entity.data : null, this.isAdd ? [Validators.required] : []],
-      content: [entity?.data?.length ? window.atob(entity.data) : '', Validators.required]
+      content: [entity?.data?.length ? base64toString(entity.data) : '', Validators.required]
     });
   }
 
   updateForm(entity: Resource): void {
     this.entityForm.patchValue(entity);
-    const content = entity.resourceSubType === ResourceSubType.MODULE && entity?.data?.length ? window.atob(entity.data) : '';
+    const content = entity.resourceSubType === ResourceSubType.MODULE && entity?.data?.length ? base64toString(entity.data) : '';
     this.entityForm.get('content').patchValue(content);
   }
 
@@ -110,7 +110,7 @@ export class JsResourceComponent extends EntityComponent<Resource> implements On
       if (!formValue.fileName) {
         formValue.fileName = formValue.title + '.js';
       }
-      formValue.data = window.btoa((formValue as any).content);
+      formValue.data = stringToBase64((formValue as any).content);
       delete (formValue as any).content;
     }
     return super.prepareFormValue(formValue);