diff --git a/plugins/problemreporter/problemsview.h b/plugins/problemreporter/problemsview.h
--- a/plugins/problemreporter/problemsview.h
+++ b/plugins/problemreporter/problemsview.h
@@ -104,6 +104,8 @@
     QAction* m_errorSeverityAction = nullptr;
     QAction* m_warningSeverityAction = nullptr;
     QAction* m_hintSeverityAction = nullptr;
+
+    QString m_filterText;
 };
 }
 
diff --git a/plugins/problemreporter/problemsview.cpp b/plugins/problemreporter/problemsview.cpp
--- a/plugins/problemreporter/problemsview.cpp
+++ b/plugins/problemreporter/problemsview.cpp
@@ -23,9 +23,11 @@
 #include <KLocalizedString>
 
 #include <QAction>
+#include <QLineEdit>
 #include <QMenu>
 #include <QSignalMapper>
 #include <QTabWidget>
+#include <QTimer>
 #include <QVBoxLayout>
 
 #include <interfaces/icore.h>
@@ -201,6 +203,37 @@
             currentView()->model()->setGrouping(index);
         });
     }
+
+    {
+        QTimer* filterTimer = new QTimer(this);
+        filterTimer->setSingleShot(true);
+
+        connect(filterTimer, &QTimer::timeout, [this]() {
+            int idx = m_tabWidget->indexOf(currentView());
+            int rows = currentView()->setFilter(m_filterText);
+
+            updateTab(idx, rows);
+        });
+
+        QLineEdit* filterEdit = new QLineEdit(this);
+        filterEdit->setClearButtonEnabled(true);
+        filterEdit->setPlaceholderText(i18n("Search..."));
+
+        QSizePolicy p(filterEdit->sizePolicy());
+        p.setHorizontalPolicy(QSizePolicy::Fixed);
+        filterEdit->setSizePolicy(p);
+
+        connect(filterEdit, &QLineEdit::textChanged, [this, filterTimer](const QString& filterText) {
+            m_filterText = filterText;
+            filterTimer->start(500);
+        });
+
+        QWidgetAction* filterAction = new QWidgetAction(this);
+        filterAction->setDefaultWidget(filterEdit);
+        addAction(filterAction);
+
+        setFocusProxy(filterEdit);
+    }
 }
 
 void ProblemsView::updateActions()
@@ -229,6 +262,8 @@
     }
 
     problemModel->setSeverities(IProblem::Error | IProblem::Warning | IProblem::Hint);
+
+    setFocus(); // set focus to default widget (filterEdit)
 }
 
 /// TODO: Move to util?
diff --git a/plugins/problemreporter/problemtreeview.h b/plugins/problemreporter/problemtreeview.h
--- a/plugins/problemreporter/problemtreeview.h
+++ b/plugins/problemreporter/problemtreeview.h
@@ -50,6 +50,8 @@
                              const QVector<int>& roles = QVector<int>()) override;
     void reset() override;
 
+    int setFilter(const QString& filterText);
+
 public slots:
     void openDocumentForCurrentProblem();
 
diff --git a/plugins/problemreporter/problemtreeview.cpp b/plugins/problemreporter/problemtreeview.cpp
--- a/plugins/problemreporter/problemtreeview.cpp
+++ b/plugins/problemreporter/problemtreeview.cpp
@@ -100,6 +100,8 @@
     connect(model(), &QAbstractItemModel::rowsInserted, this, &ProblemTreeView::changed);
     connect(model(), &QAbstractItemModel::rowsRemoved, this, &ProblemTreeView::changed);
     connect(model(), &QAbstractItemModel::modelReset, this, &ProblemTreeView::changed);
+
+    m_proxy->setFilterKeyColumn(-1);
 }
 
 ProblemTreeView::~ProblemTreeView()
@@ -151,6 +153,13 @@
     resizeColumns();
 }
 
+int ProblemTreeView::setFilter(const QString& filterText)
+{
+    m_proxy->setFilterRegExp(QRegExp(filterText, Qt::CaseInsensitive, QRegExp::FixedString));
+
+    return m_proxy->rowCount();
+}
+
 ProblemModel* ProblemTreeView::model() const
 {
     return static_cast<ProblemModel*>(m_proxy->sourceModel());