diff --git a/src/JdenticonProvider.cpp b/src/JdenticonProvider.cpp
new file mode 100644
index 00000000..e2828286
--- /dev/null
+++ b/src/JdenticonProvider.cpp
@@ -0,0 +1,112 @@
+// SPDX-FileCopyrightText: 2021 Nheko Contributors
+//
+// SPDX-License-Identifier: GPL-3.0-or-later
+
+#include "JdenticonProvider.h"
+
+#include <QApplication>
+#include <QDir>
+#include <QPainter>
+#include <QPainterPath>
+#include <QPluginLoader>
+#include <QSvgRenderer>
+
+#include <mtxclient/crypto/client.hpp>
+
+#include "Cache.h"
+#include "Logging.h"
+#include "MatrixClient.h"
+#include "Utils.h"
+#include "jdenticoninterface.h"
+
+static QPixmap
+clipRadius(QPixmap img, double radius)
+{
+ QPixmap out(img.size());
+ out.fill(Qt::transparent);
+
+ QPainter painter(&out);
+ painter.setRenderHint(QPainter::Antialiasing, true);
+ painter.setRenderHint(QPainter::SmoothPixmapTransform, true);
+
+ QPainterPath ppath;
+ ppath.addRoundedRect(img.rect(), radius, radius, Qt::SizeMode::RelativeSize);
+
+ painter.setClipPath(ppath);
+ painter.drawPixmap(img.rect(), img);
+
+ return out;
+}
+
+JdenticonResponse::JdenticonResponse(const QString &key,
+ bool crop,
+ double radius,
+ const QSize &requestedSize)
+ : m_key(key)
+ , m_crop{crop}
+ , m_radius{radius}
+ , m_requestedSize(requestedSize.isValid() ? requestedSize : QSize(100, 100))
+ , m_pixmap{m_requestedSize}
+ , jdenticonInterface_{Jdenticon::getJdenticonInterface()}
+{
+ setAutoDelete(false);
+}
+
+void
+JdenticonResponse::run()
+{
+ m_pixmap.fill(Qt::transparent);
+
+ QPainter painter;
+ painter.begin(&m_pixmap);
+ painter.setRenderHint(QPainter::Antialiasing, true);
+ painter.setRenderHint(QPainter::SmoothPixmapTransform, true);
+
+ try {
+ QSvgRenderer renderer{
+ jdenticonInterface_->generate(m_key, m_requestedSize.width()).toUtf8()};
+ renderer.render(&painter);
+ } catch (std::exception &e) {
+ nhlog::ui()->error(
+ "caught {} in jdenticonprovider, key '{}'", e.what(), m_key.toStdString());
+ }
+
+ painter.end();
+
+ m_pixmap = clipRadius(m_pixmap, m_radius);
+
+ emit finished();
+}
+
+namespace Jdenticon {
+JdenticonInterface *
+getJdenticonInterface()
+{
+ static JdenticonInterface *interface = nullptr;
+ static bool interfaceExists{true};
+
+ if (interface == nullptr && interfaceExists) {
+ QDir pluginsDir(qApp->applicationDirPath());
+
+ bool plugins = pluginsDir.cd("plugins");
+ if (plugins) {
+ for (const QString &fileName : pluginsDir.entryList(QDir::Files)) {
+ QPluginLoader pluginLoader(pluginsDir.absoluteFilePath(fileName));
+ QObject *plugin = pluginLoader.instance();
+ if (plugin) {
+ interface = qobject_cast<JdenticonInterface *>(plugin);
+ if (interface) {
+ nhlog::ui()->info("Loaded jdenticon plugin.");
+ break;
+ }
+ }
+ }
+ } else {
+ nhlog::ui()->info("jdenticon plugin not found.");
+ interfaceExists = false;
+ }
+ }
+
+ return interface;
+}
+}
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