diff --git a/CMakeLists.txt b/CMakeLists.txt
index 73c2d2aeb..0f7eb62e6 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -317,6 +317,7 @@ set(TDLIB_SOURCE
   td/telegram/DialogParticipant.cpp
   td/telegram/DialogParticipantFilter.cpp
   td/telegram/DialogSource.cpp
+  td/telegram/Dimensions.cpp
   td/telegram/Document.cpp
   td/telegram/DocumentsManager.cpp
   td/telegram/DownloadManager.cpp
@@ -520,6 +521,7 @@ set(TDLIB_SOURCE
   td/telegram/DialogParticipant.h
   td/telegram/DialogParticipantFilter.h
   td/telegram/DialogSource.h
+  td/telegram/Dimensions.h
   td/telegram/Document.h
   td/telegram/DocumentsManager.h
   td/telegram/DownloadManager.h
@@ -693,6 +695,7 @@ set(TDLIB_SOURCE
   td/telegram/AuthManager.hpp
   td/telegram/BackgroundType.hpp
   td/telegram/DialogFilter.hpp
+  td/telegram/Dimensions.hpp
   td/telegram/Document.hpp
   td/telegram/DocumentsManager.hpp
   td/telegram/DraftMessage.hpp
diff --git a/td/telegram/AnimationsManager.h b/td/telegram/AnimationsManager.h
index e07856531..5cdf73e84 100644
--- a/td/telegram/AnimationsManager.h
+++ b/td/telegram/AnimationsManager.h
@@ -6,6 +6,7 @@
 //
 #pragma once
 
+#include "td/telegram/Dimensions.h"
 #include "td/telegram/files/FileId.h"
 #include "td/telegram/files/FileSourceId.h"
 #include "td/telegram/PhotoSize.h"
diff --git a/td/telegram/Dimensions.cpp b/td/telegram/Dimensions.cpp
new file mode 100644
index 000000000..9fd1a714c
--- /dev/null
+++ b/td/telegram/Dimensions.cpp
@@ -0,0 +1,51 @@
+//
+// Copyright Aliaksei Levin (levlam@telegram.org), Arseny Smirnov (arseny30@gmail.com) 2014-2022
+//
+// Distributed under the Boost Software License, Version 1.0. (See accompanying
+// file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
+//
+#include "td/telegram/Dimensions.h"
+
+#include "td/utils/logging.h"
+#include "td/utils/misc.h"
+
+namespace td {
+
+static uint16 get_dimension(int32 size, const char *source) {
+  if (size < 0 || size > 65535) {
+    if (source != nullptr) {
+      LOG(ERROR) << "Wrong image dimension = " << size << " from " << source;
+    }
+    return 0;
+  }
+  return narrow_cast<uint16>(size);
+}
+
+Dimensions get_dimensions(int32 width, int32 height, const char *source) {
+  Dimensions result;
+  result.width = get_dimension(width, source);
+  result.height = get_dimension(height, source);
+  if (result.width == 0 || result.height == 0) {
+    result.width = 0;
+    result.height = 0;
+  }
+  return result;
+}
+
+uint32 get_dimensions_pixel_count(const Dimensions &dimensions) {
+  return static_cast<uint32>(dimensions.width) * static_cast<uint32>(dimensions.height);
+}
+
+bool operator==(const Dimensions &lhs, const Dimensions &rhs) {
+  return lhs.width == rhs.width && lhs.height == rhs.height;
+}
+
+bool operator!=(const Dimensions &lhs, const Dimensions &rhs) {
+  return !(lhs == rhs);
+}
+
+StringBuilder &operator<<(StringBuilder &string_builder, const Dimensions &dimensions) {
+  return string_builder << "(" << dimensions.width << ", " << dimensions.height << ")";
+}
+
+}  // namespace td
diff --git a/td/telegram/Dimensions.h b/td/telegram/Dimensions.h
new file mode 100644
index 000000000..59430d912
--- /dev/null
+++ b/td/telegram/Dimensions.h
@@ -0,0 +1,28 @@
+//
+// Copyright Aliaksei Levin (levlam@telegram.org), Arseny Smirnov (arseny30@gmail.com) 2014-2022
+//
+// Distributed under the Boost Software License, Version 1.0. (See accompanying
+// file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
+//
+#pragma once
+
+#include "td/utils/common.h"
+#include "td/utils/StringBuilder.h"
+
+namespace td {
+
+struct Dimensions {
+  uint16 width = 0;
+  uint16 height = 0;
+};
+
+Dimensions get_dimensions(int32 width, int32 height, const char *source);
+
+uint32 get_dimensions_pixel_count(const Dimensions &dimensions);
+
+bool operator==(const Dimensions &lhs, const Dimensions &rhs);
+bool operator!=(const Dimensions &lhs, const Dimensions &rhs);
+
+StringBuilder &operator<<(StringBuilder &string_builder, const Dimensions &dimensions);
+
+}  // namespace td
diff --git a/td/telegram/Dimensions.hpp b/td/telegram/Dimensions.hpp
new file mode 100644
index 000000000..19ffa8d42
--- /dev/null
+++ b/td/telegram/Dimensions.hpp
@@ -0,0 +1,28 @@
+//
+// Copyright Aliaksei Levin (levlam@telegram.org), Arseny Smirnov (arseny30@gmail.com) 2014-2022
+//
+// Distributed under the Boost Software License, Version 1.0. (See accompanying
+// file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
+//
+#pragma once
+
+#include "td/telegram/Dimensions.h"
+
+#include "td/utils/tl_helpers.h"
+
+namespace td {
+
+template <class StorerT>
+void store(Dimensions dimensions, StorerT &storer) {
+  store(static_cast<uint32>((static_cast<uint32>(dimensions.width) << 16) | dimensions.height), storer);
+}
+
+template <class ParserT>
+void parse(Dimensions &dimensions, ParserT &parser) {
+  uint32 width_height;
+  parse(width_height, parser);
+  dimensions.width = static_cast<uint16>(width_height >> 16);
+  dimensions.height = static_cast<uint16>(width_height & 0xFFFF);
+}
+
+}  // namespace td
diff --git a/td/telegram/DocumentsManager.cpp b/td/telegram/DocumentsManager.cpp
index be2e34e4d..30a5ec135 100644
--- a/td/telegram/DocumentsManager.cpp
+++ b/td/telegram/DocumentsManager.cpp
@@ -9,6 +9,7 @@
 #include "td/telegram/AnimationsManager.h"
 #include "td/telegram/AudiosManager.h"
 #include "td/telegram/AuthManager.h"
+#include "td/telegram/Dimensions.h"
 #include "td/telegram/Document.h"
 #include "td/telegram/files/FileEncryptionKey.h"
 #include "td/telegram/files/FileLocation.h"
diff --git a/td/telegram/MessageContent.cpp b/td/telegram/MessageContent.cpp
index 6873d88cb..a85aa2ab6 100644
--- a/td/telegram/MessageContent.cpp
+++ b/td/telegram/MessageContent.cpp
@@ -19,6 +19,7 @@
 #include "td/telegram/Dependencies.h"
 #include "td/telegram/DialogAction.h"
 #include "td/telegram/DialogParticipant.h"
+#include "td/telegram/Dimensions.h"
 #include "td/telegram/Document.h"
 #include "td/telegram/DocumentsManager.h"
 #include "td/telegram/DocumentsManager.hpp"
diff --git a/td/telegram/Payments.cpp b/td/telegram/Payments.cpp
index 82ebb7888..cff860453 100644
--- a/td/telegram/Payments.cpp
+++ b/td/telegram/Payments.cpp
@@ -8,6 +8,7 @@
 
 #include "td/telegram/AccessRights.h"
 #include "td/telegram/ContactsManager.h"
+#include "td/telegram/Dimensions.h"
 #include "td/telegram/files/FileManager.h"
 #include "td/telegram/files/FileType.h"
 #include "td/telegram/Global.h"
diff --git a/td/telegram/Photo.cpp b/td/telegram/Photo.cpp
index e4db76724..71e774617 100644
--- a/td/telegram/Photo.cpp
+++ b/td/telegram/Photo.cpp
@@ -6,6 +6,7 @@
 //
 #include "td/telegram/Photo.h"
 
+#include "td/telegram/Dimensions.h"
 #include "td/telegram/files/FileEncryptionKey.h"
 #include "td/telegram/files/FileLocation.h"
 #include "td/telegram/files/FileManager.h"
diff --git a/td/telegram/PhotoSize.cpp b/td/telegram/PhotoSize.cpp
index 6c8af6d0f..14b0acc9e 100644
--- a/td/telegram/PhotoSize.cpp
+++ b/td/telegram/PhotoSize.cpp
@@ -22,43 +22,6 @@
 
 namespace td {
 
-static uint16 get_dimension(int32 size, const char *source) {
-  if (size < 0 || size > 65535) {
-    if (source != nullptr) {
-      LOG(ERROR) << "Wrong image dimension = " << size << " from " << source;
-    }
-    return 0;
-  }
-  return narrow_cast<uint16>(size);
-}
-
-Dimensions get_dimensions(int32 width, int32 height, const char *source) {
-  Dimensions result;
-  result.width = get_dimension(width, source);
-  result.height = get_dimension(height, source);
-  if (result.width == 0 || result.height == 0) {
-    result.width = 0;
-    result.height = 0;
-  }
-  return result;
-}
-
-static uint32 get_pixel_count(const Dimensions &dimensions) {
-  return static_cast<uint32>(dimensions.width) * static_cast<uint32>(dimensions.height);
-}
-
-bool operator==(const Dimensions &lhs, const Dimensions &rhs) {
-  return lhs.width == rhs.width && lhs.height == rhs.height;
-}
-
-bool operator!=(const Dimensions &lhs, const Dimensions &rhs) {
-  return !(lhs == rhs);
-}
-
-StringBuilder &operator<<(StringBuilder &string_builder, const Dimensions &dimensions) {
-  return string_builder << "(" << dimensions.width << ", " << dimensions.height << ")";
-}
-
 static int32 get_minithumbnail_size(const string &packed) {
   if (packed.size() < 3) {
     return 0;
@@ -431,8 +394,8 @@ bool operator<(const PhotoSize &lhs, const PhotoSize &rhs) {
   if (lhs.size != rhs.size) {
     return lhs.size < rhs.size;
   }
-  auto lhs_pixels = get_pixel_count(lhs.dimensions);
-  auto rhs_pixels = get_pixel_count(rhs.dimensions);
+  auto lhs_pixels = get_dimensions_pixel_count(lhs.dimensions);
+  auto rhs_pixels = get_dimensions_pixel_count(rhs.dimensions);
   if (lhs_pixels != rhs_pixels) {
     return lhs_pixels < rhs_pixels;
   }
diff --git a/td/telegram/PhotoSize.h b/td/telegram/PhotoSize.h
index 2510983ca..2c3eb90f6 100644
--- a/td/telegram/PhotoSize.h
+++ b/td/telegram/PhotoSize.h
@@ -7,6 +7,7 @@
 #pragma once
 
 #include "td/telegram/DialogId.h"
+#include "td/telegram/Dimensions.h"
 #include "td/telegram/files/FileId.h"
 #include "td/telegram/files/FileType.h"
 #include "td/telegram/net/DcId.h"
@@ -24,11 +25,6 @@ namespace td {
 
 class FileManager;
 
-struct Dimensions {
-  uint16 width = 0;
-  uint16 height = 0;
-};
-
 struct PhotoSize {
   int32 type = 0;
   Dimensions dimensions;
@@ -41,13 +37,6 @@ struct AnimationSize final : public PhotoSize {
   double main_frame_timestamp = 0.0;
 };
 
-Dimensions get_dimensions(int32 width, int32 height, const char *source);
-
-bool operator==(const Dimensions &lhs, const Dimensions &rhs);
-bool operator!=(const Dimensions &lhs, const Dimensions &rhs);
-
-StringBuilder &operator<<(StringBuilder &string_builder, const Dimensions &dimensions);
-
 bool need_update_dialog_photo_minithumbnail(const string &from, const string &to);
 
 td_api::object_ptr<td_api::minithumbnail> get_minithumbnail_object(const string &packed);
diff --git a/td/telegram/PhotoSize.hpp b/td/telegram/PhotoSize.hpp
index c62bb35be..85184d25e 100644
--- a/td/telegram/PhotoSize.hpp
+++ b/td/telegram/PhotoSize.hpp
@@ -6,6 +6,7 @@
 //
 #pragma once
 
+#include "td/telegram/Dimensions.hpp"
 #include "td/telegram/files/FileId.hpp"
 #include "td/telegram/PhotoSize.h"
 #include "td/telegram/Version.h"
@@ -15,19 +16,6 @@
 
 namespace td {
 
-template <class StorerT>
-void store(Dimensions dimensions, StorerT &storer) {
-  store(static_cast<uint32>((static_cast<uint32>(dimensions.width) << 16) | dimensions.height), storer);
-}
-
-template <class ParserT>
-void parse(Dimensions &dimensions, ParserT &parser) {
-  uint32 width_height;
-  parse(width_height, parser);
-  dimensions.width = static_cast<uint16>(width_height >> 16);
-  dimensions.height = static_cast<uint16>(width_height & 0xFFFF);
-}
-
 template <class StorerT>
 void store(const PhotoSize &photo_size, StorerT &storer) {
   LOG(DEBUG) << "Store photo size " << photo_size;
diff --git a/td/telegram/SecretInputMedia.h b/td/telegram/SecretInputMedia.h
index 35c96ee6a..e9c620758 100644
--- a/td/telegram/SecretInputMedia.h
+++ b/td/telegram/SecretInputMedia.h
@@ -6,7 +6,7 @@
 //
 #pragma once
 
-#include "td/telegram/PhotoSize.h"
+#include "td/telegram/Dimensions.h"
 #include "td/telegram/secret_api.h"
 #include "td/telegram/telegram_api.h"
 
diff --git a/td/telegram/StickersManager.h b/td/telegram/StickersManager.h
index 0d118ca96..cb0a12fb1 100644
--- a/td/telegram/StickersManager.h
+++ b/td/telegram/StickersManager.h
@@ -7,6 +7,7 @@
 #pragma once
 
 #include "td/telegram/DialogId.h"
+#include "td/telegram/Dimensions.h"
 #include "td/telegram/files/FileId.h"
 #include "td/telegram/files/FileSourceId.h"
 #include "td/telegram/FullMessageId.h"
diff --git a/td/telegram/VideoNotesManager.h b/td/telegram/VideoNotesManager.h
index 944e6d0dd..f9bcf8af2 100644
--- a/td/telegram/VideoNotesManager.h
+++ b/td/telegram/VideoNotesManager.h
@@ -6,6 +6,7 @@
 //
 #pragma once
 
+#include "td/telegram/Dimensions.h"
 #include "td/telegram/files/FileId.h"
 #include "td/telegram/PhotoSize.h"
 #include "td/telegram/SecretInputMedia.h"
diff --git a/td/telegram/VideosManager.h b/td/telegram/VideosManager.h
index 304b5e56e..476c2fb8c 100644
--- a/td/telegram/VideosManager.h
+++ b/td/telegram/VideosManager.h
@@ -6,6 +6,7 @@
 //
 #pragma once
 
+#include "td/telegram/Dimensions.h"
 #include "td/telegram/files/FileId.h"
 #include "td/telegram/PhotoSize.h"
 #include "td/telegram/SecretInputMedia.h"
diff --git a/td/telegram/VoiceNotesManager.cpp b/td/telegram/VoiceNotesManager.cpp
index 5021007d3..ddbd6ad18 100644
--- a/td/telegram/VoiceNotesManager.cpp
+++ b/td/telegram/VoiceNotesManager.cpp
@@ -6,6 +6,7 @@
 //
 #include "td/telegram/VoiceNotesManager.h"
 
+#include "td/telegram/Dimensions.h"
 #include "td/telegram/files/FileManager.h"
 #include "td/telegram/secret_api.h"
 #include "td/telegram/Td.h"
diff --git a/td/telegram/WebPageBlock.cpp b/td/telegram/WebPageBlock.cpp
index a4abdee99..229c00bd1 100644
--- a/td/telegram/WebPageBlock.cpp
+++ b/td/telegram/WebPageBlock.cpp
@@ -13,6 +13,7 @@
 #include "td/telegram/ChannelId.h"
 #include "td/telegram/ContactsManager.h"
 #include "td/telegram/DialogId.h"
+#include "td/telegram/Dimensions.h"
 #include "td/telegram/Document.h"
 #include "td/telegram/DocumentsManager.h"
 #include "td/telegram/DocumentsManager.hpp"
@@ -21,7 +22,6 @@
 #include "td/telegram/Photo.h"
 #include "td/telegram/Photo.hpp"
 #include "td/telegram/PhotoFormat.h"
-#include "td/telegram/PhotoSize.h"
 #include "td/telegram/Td.h"
 #include "td/telegram/Version.h"
 #include "td/telegram/VideosManager.h"
diff --git a/td/telegram/WebPagesManager.cpp b/td/telegram/WebPagesManager.cpp
index 08438292a..dfe0bbd7a 100644
--- a/td/telegram/WebPagesManager.cpp
+++ b/td/telegram/WebPagesManager.cpp
@@ -9,6 +9,7 @@
 #include "td/telegram/AnimationsManager.h"
 #include "td/telegram/AudiosManager.h"
 #include "td/telegram/AuthManager.h"
+#include "td/telegram/Dimensions.h"
 #include "td/telegram/Document.h"
 #include "td/telegram/Document.hpp"
 #include "td/telegram/DocumentsManager.h"
@@ -22,7 +23,6 @@
 #include "td/telegram/MessagesManager.h"
 #include "td/telegram/Photo.h"
 #include "td/telegram/PhotoFormat.h"
-#include "td/telegram/PhotoSize.h"
 #include "td/telegram/secret_api.h"
 #include "td/telegram/StickersManager.h"
 #include "td/telegram/Td.h"