diff --git a/src/contacts/contactsservice.cpp b/src/contacts/contactsservice.cpp
--- a/src/contacts/contactsservice.cpp
+++ b/src/contacts/contactsservice.cpp
@@ -21,6 +21,7 @@
 #include "contactsservice.h"
 #include "contact.h"
 #include "contactsgroup.h"
+#include "utils.h"
 #include "../debug.h"
 
 #include <QDomDocument>
@@ -719,8 +720,7 @@
             QString proto = key.mid(10);
             proto.chop(4);
             bool primary = (contact->custom(QStringLiteral("KADDRESSBOOK"), QStringLiteral("X-IMAddress")) == value);
-            output.append(im_str.arg(value, Contact::IMProtocolNameToScheme(proto),
-                                     (primary ? QStringLiteral("true") : QStringLiteral("false"))).toUtf8());
+            output.append(im_str.arg(value, Contact::IMProtocolNameToScheme(proto), Utils::bool2Str(primary)).toUtf8());
             parsedCustoms << key;
         /* X-messaging is probably a new key (?) used by KAddressbook when importing
          * contacts from vCard. */
diff --git a/src/core/job.cpp b/src/core/job.cpp
--- a/src/core/job.cpp
+++ b/src/core/job.cpp
@@ -26,6 +26,7 @@
 #include "networkaccessmanagerfactory_p.h"
 #include "../debug.h"
 #include "authjob.h"
+#include "utils.h"
 
 #include <QCoreApplication>
 #include <QJsonDocument>
@@ -335,7 +336,7 @@
     }
 
     if (!standardParamQuery.hasQueryItem(Job::StandardParams::PrettyPrint)) {
-        standardParamQuery.addQueryItem(Job::StandardParams::PrettyPrint, prettyPrint ? QStringLiteral("true") : QStringLiteral("false"));
+        standardParamQuery.addQueryItem(Job::StandardParams::PrettyPrint, Utils::bool2Str(prettyPrint));
     }
 
     url.setQuery(standardParamQuery);
diff --git a/src/drive/changefetchjob.cpp b/src/drive/changefetchjob.cpp
--- a/src/drive/changefetchjob.cpp
+++ b/src/drive/changefetchjob.cpp
@@ -176,14 +176,14 @@
         if (d->startChangeId > 0) {
             query.addQueryItem(QStringLiteral("startChangeId"), QString::number(d->startChangeId));
         }
-        query.addQueryItem(QStringLiteral("includeItemsFromAllDrives"), d->includeItemsFromAllDrives ? QStringLiteral("true") : QStringLiteral("false"));
+        query.addQueryItem(QStringLiteral("includeItemsFromAllDrives"), Utils::bool2Str(d->includeItemsFromAllDrives));
         url.setQuery(query);
     } else {
         url = DriveService::fetchChangeUrl(d->changeId);
     }
 
     QUrlQuery query(url);
-    query.addQueryItem(QStringLiteral("supportsAllDrives"), d->supportsAllDrives ? QStringLiteral("true") : QStringLiteral("false"));
+    query.addQueryItem(QStringLiteral("supportsAllDrives"), Utils::bool2Str(d->supportsAllDrives));
     url.setQuery(query);
 
     QNetworkRequest request(url);
diff --git a/src/drive/childreferencecreatejob.cpp b/src/drive/childreferencecreatejob.cpp
--- a/src/drive/childreferencecreatejob.cpp
+++ b/src/drive/childreferencecreatejob.cpp
@@ -65,7 +65,7 @@
     QUrl url = DriveService::createChildReference(folderId);
 
     QUrlQuery withDriveSupportQuery(url);
-    withDriveSupportQuery.addQueryItem(QStringLiteral("supportsAllDrives"), supportsAllDrives ? QStringLiteral("true") : QStringLiteral("false"));
+    withDriveSupportQuery.addQueryItem(QStringLiteral("supportsAllDrives"), Utils::bool2Str(supportsAllDrives));
     url.setQuery(withDriveSupportQuery);
 
     QNetworkRequest request(url);
diff --git a/src/drive/drivesfetchjob.cpp b/src/drive/drivesfetchjob.cpp
--- a/src/drive/drivesfetchjob.cpp
+++ b/src/drive/drivesfetchjob.cpp
@@ -34,8 +34,6 @@
 namespace {
     static const QString MaxResultsAttr = QStringLiteral("maxResults");
     static const QString UseDomainAdminAccessAttr = QStringLiteral("useDomainAdminAccess");
-    static const QString True = QStringLiteral("true");
-    static const QString False = QStringLiteral("false");
 }
 using namespace KGAPI2;
 using namespace KGAPI2::Drive;
@@ -195,7 +193,7 @@
         query.addQueryItem(MaxResultsAttr, QString::number(d->maxResults));
     }
     if (!d->useDomainAdminAccess.isNull()) {
-        query.addQueryItem(UseDomainAdminAccessAttr, d->useDomainAdminAccess.toBool() ? True : False);
+        query.addQueryItem(UseDomainAdminAccessAttr, Utils::bool2Str(d->useDomainAdminAccess.toBool()));
     }
     if (!d->searchQuery.isEmpty()) {
         query.addQueryItem(QStringLiteral("q"), d->searchQuery.serialize());
diff --git a/src/drive/drivesmodifyjob.cpp b/src/drive/drivesmodifyjob.cpp
--- a/src/drive/drivesmodifyjob.cpp
+++ b/src/drive/drivesmodifyjob.cpp
@@ -35,8 +35,6 @@
 
 namespace {
     static const QString UseDomainAdminAccessAttr = QStringLiteral("useDomainAdminAccess");
-    static const QString True = QStringLiteral("true");
-    static const QString False = QStringLiteral("false");
 }
 using namespace KGAPI2;
 using namespace KGAPI2::Drive;
@@ -87,7 +85,7 @@
 
     QUrlQuery query(url);
     if (useDomainAdminAccess != false) {
-        query.addQueryItem(UseDomainAdminAccessAttr, useDomainAdminAccess ? True : False);
+        query.addQueryItem(UseDomainAdminAccessAttr, Utils::bool2Str(useDomainAdminAccess));
     }
     url.setQuery(query);
 
diff --git a/src/drive/drivessearchquery.cpp b/src/drive/drivessearchquery.cpp
--- a/src/drive/drivessearchquery.cpp
+++ b/src/drive/drivessearchquery.cpp
@@ -19,6 +19,7 @@
  */
 
 #include "drivessearchquery.h"
+#include "utils.h"
 
 #include <QString>
 #include <QDateTime>
@@ -52,7 +53,7 @@
     case Name:
         return QStringLiteral("'%1'").arg(var.toString().replace(QLatin1Char('\''), QLatin1String("\\\'")));
     case Hidden:
-        return (var.toBool() == true ? QStringLiteral("true") : QStringLiteral("false"));
+        return Utils::bool2Str(var.toBool());
     case MemberCount:
     case OrganizerCount:
         return var.toString();
diff --git a/src/drive/fileabstractmodifyjob.cpp b/src/drive/fileabstractmodifyjob.cpp
--- a/src/drive/fileabstractmodifyjob.cpp
+++ b/src/drive/fileabstractmodifyjob.cpp
@@ -65,7 +65,7 @@
     QUrl url = q->url(fileId);
 
     QUrlQuery query(url);
-    query.addQueryItem(QStringLiteral("supportsAllDrives"), supportsAllDrives ? QStringLiteral("true") : QStringLiteral("false"));
+    query.addQueryItem(QStringLiteral("supportsAllDrives"), Utils::bool2Str(supportsAllDrives));
     url.setQuery(query);
 
     QNetworkRequest request(url);
diff --git a/src/drive/filefetchjob.cpp b/src/drive/filefetchjob.cpp
--- a/src/drive/filefetchjob.cpp
+++ b/src/drive/filefetchjob.cpp
@@ -76,7 +76,7 @@
             query.addQueryItem(QStringLiteral("q"), searchQuery.serialize());
         }
 
-        query.addQueryItem(QStringLiteral("includeItemsFromAllDrives"), includeItemsFromAllDrives ? QStringLiteral("true") : QStringLiteral("false"));
+        query.addQueryItem(QStringLiteral("includeItemsFromAllDrives"), Utils::bool2Str(includeItemsFromAllDrives));
 
         url.setQuery(query);
 
@@ -115,7 +115,7 @@
     }
 
     QUrlQuery withDriveSupportQuery(url);
-    withDriveSupportQuery.addQueryItem(QStringLiteral("supportsAllDrives"), supportsAllDrives ? QStringLiteral("true") : QStringLiteral("false"));
+    withDriveSupportQuery.addQueryItem(QStringLiteral("supportsAllDrives"), Utils::bool2Str(supportsAllDrives));
     url.setQuery(withDriveSupportQuery);
 
     QNetworkRequest request(url);
diff --git a/src/drive/filesearchquery.cpp b/src/drive/filesearchquery.cpp
--- a/src/drive/filesearchquery.cpp
+++ b/src/drive/filesearchquery.cpp
@@ -20,6 +20,7 @@
  */
 
 #include "filesearchquery.h"
+#include "utils.h"
 
 #include <QString>
 #include <QDateTime>
@@ -78,7 +79,7 @@
     case Trashed:
     case Starred:
     case SharedWithMe:
-        return (var.toBool() == true ? QStringLiteral("true") : QStringLiteral("false"));
+        return Utils::bool2Str(var.toBool());
     }
 
     Q_ASSERT(false);
diff --git a/src/drive/parentreferencecreatejob.cpp b/src/drive/parentreferencecreatejob.cpp
--- a/src/drive/parentreferencecreatejob.cpp
+++ b/src/drive/parentreferencecreatejob.cpp
@@ -65,7 +65,7 @@
     QUrl url = DriveService::createParentReferenceUrl(fileId);
 
     QUrlQuery withDriveSupportQuery(url);
-    withDriveSupportQuery.addQueryItem(QStringLiteral("supportsAllDrives"), supportsAllDrives ? QStringLiteral("true") : QStringLiteral("false"));
+    withDriveSupportQuery.addQueryItem(QStringLiteral("supportsAllDrives"), Utils::bool2Str(supportsAllDrives));
     url.setQuery(withDriveSupportQuery);
 
     QNetworkRequest request(url);
diff --git a/src/drive/permissioncreatejob.cpp b/src/drive/permissioncreatejob.cpp
--- a/src/drive/permissioncreatejob.cpp
+++ b/src/drive/permissioncreatejob.cpp
@@ -66,7 +66,7 @@
     QUrl url = DriveService::createPermissionUrl(fileId);
 
     QUrlQuery withDriveSupportQuery(url);
-    withDriveSupportQuery.addQueryItem(QStringLiteral("supportsAllDrives"), supportsAllDrives ? QStringLiteral("true") : QStringLiteral("false"));
+    withDriveSupportQuery.addQueryItem(QStringLiteral("supportsAllDrives"), Utils::bool2Str(supportsAllDrives));
     url.setQuery(withDriveSupportQuery);
 
     QNetworkRequest request(url);
diff --git a/src/drive/permissiondeletejob.cpp b/src/drive/permissiondeletejob.cpp
--- a/src/drive/permissiondeletejob.cpp
+++ b/src/drive/permissiondeletejob.cpp
@@ -24,6 +24,7 @@
 #include "permissiondeletejob.h"
 #include "permission.h"
 #include "account.h"
+#include "utils.h"
 #include "driveservice.h"
 
 #include <QNetworkRequest>
@@ -115,7 +116,7 @@
     const QString permissionId = d->permissionsIds.takeFirst();
     QUrl url = DriveService::deletePermissionUrl(d->fileId, permissionId);
     QUrlQuery withDriveSupportQuery(url);
-    withDriveSupportQuery.addQueryItem(QStringLiteral("supportsAllDrives"), d->supportsAllDrives ? QStringLiteral("true") : QStringLiteral("false"));
+    withDriveSupportQuery.addQueryItem(QStringLiteral("supportsAllDrives"), Utils::bool2Str(d->supportsAllDrives));
     url.setQuery(withDriveSupportQuery);
     QNetworkRequest request(url);
 
diff --git a/src/drive/permissionfetchjob.cpp b/src/drive/permissionfetchjob.cpp
--- a/src/drive/permissionfetchjob.cpp
+++ b/src/drive/permissionfetchjob.cpp
@@ -112,7 +112,7 @@
     }
 
     QUrlQuery withDriveSupportQuery(url);
-    withDriveSupportQuery.addQueryItem(QStringLiteral("supportsAllDrives"), d->supportsAllDrives ? QStringLiteral("true") : QStringLiteral("false"));
+    withDriveSupportQuery.addQueryItem(QStringLiteral("supportsAllDrives"), Utils::bool2Str(d->supportsAllDrives));
     url.setQuery(withDriveSupportQuery);
 
     QNetworkRequest request(url);
diff --git a/src/drive/permissionmodifyjob.cpp b/src/drive/permissionmodifyjob.cpp
--- a/src/drive/permissionmodifyjob.cpp
+++ b/src/drive/permissionmodifyjob.cpp
@@ -66,7 +66,7 @@
     QUrl url = DriveService::modifyPermissionUrl(fileId, permission->id());
 
     QUrlQuery withDriveSupportQuery(url);
-    withDriveSupportQuery.addQueryItem(QStringLiteral("supportsAllDrives"), supportsAllDrives ? QStringLiteral("true") : QStringLiteral("false"));
+    withDriveSupportQuery.addQueryItem(QStringLiteral("supportsAllDrives"), Utils::bool2Str(supportsAllDrives));
     url.setQuery(withDriveSupportQuery);
 
     QNetworkRequest request(url);
diff --git a/src/drive/teamdrivefetchjob.cpp b/src/drive/teamdrivefetchjob.cpp
--- a/src/drive/teamdrivefetchjob.cpp
+++ b/src/drive/teamdrivefetchjob.cpp
@@ -34,8 +34,6 @@
 namespace {
     static const QString MaxResultsAttr = QStringLiteral("maxResults");
     static const QString UseDomainAdminAccessAttr = QStringLiteral("useDomainAdminAccess");
-    static const QString True = QStringLiteral("true");
-    static const QString False = QStringLiteral("false");
 }
 using namespace KGAPI2;
 using namespace KGAPI2::Drive;
@@ -196,7 +194,7 @@
         query.addQueryItem(MaxResultsAttr, QString::number(d->maxResults));
     }
     if (d->useDomainAdminAccess != false) {
-        query.addQueryItem(UseDomainAdminAccessAttr, d->useDomainAdminAccess ? True : False);
+        query.addQueryItem(UseDomainAdminAccessAttr, Utils::bool2Str(d->useDomainAdminAccess));
     }
     if (!d->searchQuery.isEmpty()) {
         query.addQueryItem(QStringLiteral("q"), d->searchQuery.serialize());