diff --git a/src/map/mapsource.cpp b/src/map/mapsource.cpp
index 050f5f6b..d451cfef 100644
--- a/src/map/mapsource.cpp
+++ b/src/map/mapsource.cpp
@@ -160,6 +160,8 @@ void MapSource::map(QXmlStreamReader &reader, Config &config)
 		config.type = WMS;
 	else if (type == "TMS")
 		config.type = TMS;
+	else if (type == "QuadTiles")
+		config.type = QuadTiles;
 	else if (type == "OSM" || type.isEmpty())
 		config.type = OSM;
 	else {
@@ -293,11 +295,15 @@ Map *MapSource::loadMap(const QString &path, QString &errorString)
 		case TMS:
 			return new OnlineMap(config.name, config.url, config.zooms,
 			  config.bounds, config.tileRatio, config.authorization,
-			  config.tileSize, config.scalable, true);
+			  config.tileSize, config.scalable, true, false);
 		case OSM:
 			return new OnlineMap(config.name, config.url, config.zooms,
 			 config.bounds, config.tileRatio, config.authorization,
-			 config.tileSize, config.scalable, false);
+			 config.tileSize, config.scalable, false, false);
+		case QuadTiles:
+			return new OnlineMap(config.name, config.url, config.zooms,
+			 config.bounds, config.tileRatio, config.authorization,
+			 config.tileSize, config.scalable, false, true);
 		default:
 			return 0;
 	}
diff --git a/src/map/mapsource.h b/src/map/mapsource.h
index dad06412..5a0b9d25 100644
--- a/src/map/mapsource.h
+++ b/src/map/mapsource.h
@@ -21,7 +21,8 @@ private:
 		OSM,
 		WMTS,
 		WMS,
-		TMS
+		TMS,
+		QuadTiles
 	};
 
 	struct Config {
diff --git a/src/map/onlinemap.cpp b/src/map/onlinemap.cpp
index 968d890b..138d8c86 100644
--- a/src/map/onlinemap.cpp
+++ b/src/map/onlinemap.cpp
@@ -11,15 +11,16 @@
 OnlineMap::OnlineMap(const QString &name, const QString &url,
   const Range &zooms, const RectC &bounds, qreal tileRatio,
   const Authorization &authorization, int tileSize, bool scalable, bool invertY,
-  QObject *parent)
+  bool quadTiles, QObject *parent)
 	: Map(parent), _name(name), _zooms(zooms), _bounds(bounds),
 	_zoom(_zooms.max()), _mapRatio(1.0), _tileRatio(tileRatio),
-	_tileSize(tileSize), _scalable(scalable), _invertY(invertY), _scaledSize(0)
+	_tileSize(tileSize), _scalable(scalable), _invertY(invertY)
 {
 	_tileLoader = new TileLoader(QDir(ProgramPaths::tilesDir()).filePath(_name),
 	  this);
 	_tileLoader->setUrl(url);
 	_tileLoader->setAuthorization(authorization);
+	_tileLoader->setQuadTiles(quadTiles);
 	connect(_tileLoader, SIGNAL(finished()), this, SIGNAL(loaded()));
 }
 
@@ -74,7 +75,7 @@ void OnlineMap::setDevicePixelRatio(qreal deviceRatio, qreal mapRatio)
 	_mapRatio = mapRatio;
 
 	if (_scalable) {
-		_scaledSize = _tileSize * deviceRatio;
+		_tileLoader->setScaledSize(_tileSize * deviceRatio);
 		_tileRatio = deviceRatio;
 	}
 }
@@ -112,7 +113,7 @@ void OnlineMap::draw(QPainter *painter, const QRectF &rect, Flags flags)
 	for (int i = 0; i < width; i++)
 		for (int j = 0; j < height; j++)
 			tiles.append(Tile(QPoint(tile.x() + i, _invertY ? (1<<_zoom)
-			  - (tile.y() + j) - 1 : tile.y() + j), _zoom, _scaledSize));
+			  - (tile.y() + j) - 1 : tile.y() + j), _zoom));
 
 	if (flags & Map::Block)
 		_tileLoader->loadTilesSync(tiles);
diff --git a/src/map/onlinemap.h b/src/map/onlinemap.h
index 01df9aca..b4c947db 100644
--- a/src/map/onlinemap.h
+++ b/src/map/onlinemap.h
@@ -13,7 +13,8 @@ class OnlineMap : public Map
 public:
 	OnlineMap(const QString &name, const QString &url, const Range &zooms,
 	  const RectC &bounds, qreal tileRatio, const Authorization &authorization,
-	  int tileSize, bool scalable, bool invertY, QObject *parent = 0);
+	  int tileSize, bool scalable, bool invertY, bool quadTiles,
+	  QObject *parent = 0);
 
 	QString name() const {return _name;}
 
@@ -49,7 +50,6 @@ private:
 	int _tileSize;
 	bool _scalable;
 	bool _invertY;
-	int _scaledSize;
 };
 
 #endif // ONLINEMAP_H
diff --git a/src/map/tile.h b/src/map/tile.h
index ce365b44..39b484cd 100644
--- a/src/map/tile.h
+++ b/src/map/tile.h
@@ -10,21 +10,18 @@
 class Tile
 {
 public:
-	Tile() : _scaledSize(0) {}
-	Tile(const QPoint &xy, const QVariant &zoom, int scaledSize = 0,
-	  const RectD &bbox = RectD()) : _xy(xy), _zoom(zoom),
-	  _scaledSize(scaledSize), _bbox(bbox) {}
+	Tile() {}
+	Tile(const QPoint &xy, const QVariant &zoom, const RectD &bbox = RectD())
+	  : _xy(xy), _zoom(zoom), _bbox(bbox) {}
 
 	const QVariant &zoom() const {return _zoom;}
 	const QPoint &xy() const {return _xy;}
 	const RectD &bbox() const {return _bbox;}
-	int scaledSize() const {return _scaledSize;}
 	QPixmap& pixmap() {return _pixmap;}
 
 private:
 	QPoint _xy;
 	QVariant _zoom;
-	int _scaledSize;
 	RectD _bbox;
 	QPixmap _pixmap;
 };
diff --git a/src/map/tileloader.cpp b/src/map/tileloader.cpp
index ec727080..981910ad 100644
--- a/src/map/tileloader.cpp
+++ b/src/map/tileloader.cpp
@@ -14,9 +14,9 @@
 class TileImage
 {
 public:
-	TileImage() : _tile(0) {}
-	TileImage(const QString &file, Tile *tile)
-	  : _file(file), _tile(tile) {}
+	TileImage() : _tile(0), _scaledSize(0) {}
+	TileImage(const QString &file, Tile *tile, int scaledSize)
+	  : _file(file), _tile(tile), _scaledSize(scaledSize) {}
 
 	void createPixmap()
 	{
@@ -26,8 +26,8 @@ public:
 	{
 		QByteArray z(_tile->zoom().toString().toLatin1());
 		QImageReader reader(_file, z);
-		if (_tile->scaledSize())
-			reader.setScaledSize(QSize(_tile->scaledSize(), _tile->scaledSize()));
+		if (_scaledSize)
+			reader.setScaledSize(QSize(_scaledSize, _scaledSize));
 		reader.read(&_image);
 	}
 
@@ -37,6 +37,7 @@ public:
 private:
 	QString _file;
 	Tile *_tile;
+	int _scaledSize;
 	QImage _image;
 };
 
@@ -45,8 +46,27 @@ static void render(TileImage &ti)
 	ti.load();
 }
 
+static QString quadKey(const QPoint &xy, int zoom)
+{
+	QString qk;
+
+	for (int i = zoom; i > 0; i--) {
+		char digit = '0';
+		unsigned mask = 1 << (i - 1);
+		if (xy.x() & mask)
+			digit++;
+		if (xy.y() & mask) {
+			digit++;
+			digit++;
+		}
+		qk.append(digit);
+	}
+
+	return qk;
+}
+
 TileLoader::TileLoader(const QString &dir, QObject *parent)
-  : QObject(parent), _dir(dir)
+  : QObject(parent), _dir(dir), _scaledSize(0), _quadTiles(false)
 {
 	if (!QDir().mkpath(_dir))
 		qWarning("%s: %s", qPrintable(_dir), "Error creating tiles directory");
@@ -70,11 +90,11 @@ void TileLoader::loadTilesAsync(QVector<Tile> &list)
 		QFileInfo fi(file);
 
 		if (fi.exists())
-			imgs.append(TileImage(file, &t));
+			imgs.append(TileImage(file, &t, _scaledSize));
 		else {
 			QUrl url(tileUrl(t));
 			if (url.isLocalFile())
-				imgs.append(TileImage(url.toLocalFile(), &t));
+				imgs.append(TileImage(url.toLocalFile(), &t, _scaledSize));
 			else
 				dl.append(Download(url, file));
 		}
@@ -109,11 +129,11 @@ void TileLoader::loadTilesSync(QVector<Tile> &list)
 		QFileInfo fi(file);
 
 		if (fi.exists())
-			imgs.append(TileImage(file, &t));
+			imgs.append(TileImage(file, &t, _scaledSize));
 		else {
 			QUrl url(tileUrl(t));
 			if (url.isLocalFile())
-				imgs.append(TileImage(url.toLocalFile(), &t));
+				imgs.append(TileImage(url.toLocalFile(), &t, _scaledSize));
 			else {
 				dl.append(Download(url, file));
 				tl.append(&t);
@@ -131,7 +151,7 @@ void TileLoader::loadTilesSync(QVector<Tile> &list)
 			Tile *t = tl[i];
 			QString file = tileFile(*t);
 			if (QFileInfo(file).exists())
-				imgs.append(TileImage(file, t));
+				imgs.append(TileImage(file, t, _scaledSize));
 		}
 	}
 
@@ -164,6 +184,8 @@ QUrl TileLoader::tileUrl(const Tile &tile) const
 		  QString::number(tile.bbox().right(), 'f', 6),
 		  QString::number(tile.bbox().top(), 'f', 6));
 		url.replace("$bbox", bbox);
+	} else if (_quadTiles) {
+		url.replace("$quadkey", quadKey(tile.xy(), tile.zoom().toInt()));
 	} else {
 		url.replace("$z", tile.zoom().toString());
 		url.replace("$x", QString::number(tile.xy().x()));
diff --git a/src/map/tileloader.h b/src/map/tileloader.h
index 5365e393..ee2bd71a 100644
--- a/src/map/tileloader.h
+++ b/src/map/tileloader.h
@@ -16,6 +16,8 @@ public:
 	void setUrl(const QString &url) {_url = url;}
 	void setAuthorization(const Authorization &authorization)
 	  {_authorization = authorization;}
+	void setScaledSize(int size) {_scaledSize = size;}
+	void setQuadTiles(bool quadTiles) {_quadTiles = quadTiles;}
 
 	void loadTilesAsync(QVector<Tile> &list);
 	void loadTilesSync(QVector<Tile> &list);
@@ -32,6 +34,8 @@ private:
 	QString _url;
 	QString _dir;
 	Authorization _authorization;
+	int _scaledSize;
+	bool _quadTiles;
 };
 
 #endif // TILELOADER_Honlinemap
diff --git a/src/map/wmsmap.cpp b/src/map/wmsmap.cpp
index e75348b0..7261fecf 100644
--- a/src/map/wmsmap.cpp
+++ b/src/map/wmsmap.cpp
@@ -200,7 +200,7 @@ void WMSMap::draw(QPainter *painter, const QRectF &rect, Flags flags)
 			  ? RectD(PointD(tbr.y(), tbr.x()), PointD(ttl.y(), ttl.x()))
 			  : RectD(ttl, tbr);
 
-			tiles.append(Tile(QPoint(i, j), _zoom, 0, bbox));
+			tiles.append(Tile(QPoint(i, j), _zoom, bbox));
 		}
 	}