diff --git a/apps/ios/SimpleXChat/ImageUtils.swift b/apps/ios/SimpleXChat/ImageUtils.swift
index e0bcce2e94..bb25cbf48f 100644
--- a/apps/ios/SimpleXChat/ImageUtils.swift
+++ b/apps/ios/SimpleXChat/ImageUtils.swift
@@ -107,7 +107,7 @@ public func resizeImageToStrSizeSync(_ image: UIImage, maxDataSize: Int64) -> St
     guard let d = image.pngData() else { return nil }
     if let _ = saveFile(d, tmpFile, encrypted: false) {
         defer { removeFile(tmpFile) }
-        let ptr = chat_resize_image_to_str_size(tmpFile, Int32(maxDataSize))
+        let ptr = chat_resize_image_to_str_size(tmpFile, maxDataSize)
         if let ptr = ptr {
             let str = fromCString(ptr)
             let dataSize = str.count
diff --git a/apps/ios/SimpleXChat/SimpleX.h b/apps/ios/SimpleXChat/SimpleX.h
index 8d9e25e02d..37759e7b56 100644
--- a/apps/ios/SimpleXChat/SimpleX.h
+++ b/apps/ios/SimpleXChat/SimpleX.h
@@ -29,7 +29,7 @@ extern char *chat_valid_name(char *name);
 extern int chat_json_length(char *str);
 extern char *chat_encrypt_media(chat_ctrl ctl, char *key, char *frame, int len);
 extern char *chat_decrypt_media(char *key, char *frame, int len);
-extern char *chat_resize_image_to_str_size(const char *path, int maxSize);
+extern char *chat_resize_image_to_str_size(const char *path, long maxSize);
 
 // chat_write_file returns null-terminated string with JSON of WriteFileResult
 extern char *chat_write_file(chat_ctrl ctl, char *path, char *data, int len);
diff --git a/apps/multiplatform/common/src/androidMain/kotlin/chat/simplex/common/platform/Images.android.kt b/apps/multiplatform/common/src/androidMain/kotlin/chat/simplex/common/platform/Images.android.kt
index f3a89dd664..e09aa42982 100644
--- a/apps/multiplatform/common/src/androidMain/kotlin/chat/simplex/common/platform/Images.android.kt
+++ b/apps/multiplatform/common/src/androidMain/kotlin/chat/simplex/common/platform/Images.android.kt
@@ -27,6 +27,7 @@ actual fun base64ToBitmap(base64ImageString: String): ImageBitmap {
   val imageString = base64ImageString
     .removePrefix("data:image/png;base64,")
     .removePrefix("data:image/jpg;base64,")
+    .removePrefix("data:image/jpeg;base64,")
   return try {
     val imageBytes = Base64.decode(imageString, Base64.NO_WRAP)
     BitmapFactory.decodeByteArray(imageBytes, 0, imageBytes.size).asImageBitmap()
@@ -43,7 +44,7 @@ actual fun resizeImageToStrSize(image: ImageBitmap, maxDataSize: Long): String {
   compressImageData(image, true).writeTo(output)
   output.flush()
   output.close()
-  var str = chatResizeImageToStrSize(tmpFileName, maxDataSize.toInt())
+  var str = chatResizeImageToStrSize(tmpFileName, maxDataSize)
   removeFile(tmpFileName)
   return str
 }
diff --git a/apps/multiplatform/common/src/commonMain/cpp/android/simplex-api.c b/apps/multiplatform/common/src/commonMain/cpp/android/simplex-api.c
index 0c373e327c..ebda8c81a1 100644
--- a/apps/multiplatform/common/src/commonMain/cpp/android/simplex-api.c
+++ b/apps/multiplatform/common/src/commonMain/cpp/android/simplex-api.c
@@ -72,7 +72,7 @@ extern char *chat_write_image(chat_ctrl ctl, long maxSize, char *path, char *dat
 extern char *chat_read_file(const char *path, const char *key, const char *nonce);
 extern char *chat_encrypt_file(chat_ctrl ctrl, const char *from_path, const char *to_path);
 extern char *chat_decrypt_file(const char *from_path, const char *key, const char *nonce, const char *to_path);
-extern char *chat_resize_image_to_str_size(const char *from_path, int max_size);
+extern char *chat_resize_image_to_str_size(const char *from_path, long max_size);
 
 JNIEXPORT jobjectArray JNICALL
 Java_chat_simplex_common_platform_CoreKt_chatMigrateInit(JNIEnv *env, __unused jclass clazz, jstring dbPath, jstring dbKey, jstring confirm) {
@@ -258,7 +258,7 @@ Java_chat_simplex_common_platform_CoreKt_chatDecryptFile(JNIEnv *env, jclass cla
 }
 
 JNIEXPORT jstring JNICALL
-Java_chat_simplex_common_platform_CoreKt_chatResizeImageToStrSize(JNIEnv *env, jclass clazz, jstring from_path, jint max_size) {
+Java_chat_simplex_common_platform_CoreKt_chatResizeImageToStrSize(JNIEnv *env, jclass clazz, jstring from_path, jlong max_size) {
     const char *_from_path = encode_to_utf8_chars(env, from_path);
     jstring res = decode_to_utf8_string(env, chat_resize_image_to_str_size(_from_path, max_size));
     (*env)->ReleaseStringUTFChars(env, from_path, _from_path);
diff --git a/apps/multiplatform/common/src/commonMain/cpp/desktop/simplex-api.c b/apps/multiplatform/common/src/commonMain/cpp/desktop/simplex-api.c
index d36ba58c0d..c2bfb60e99 100644
--- a/apps/multiplatform/common/src/commonMain/cpp/desktop/simplex-api.c
+++ b/apps/multiplatform/common/src/commonMain/cpp/desktop/simplex-api.c
@@ -45,7 +45,7 @@ extern char *chat_write_image(chat_ctrl ctrl, long max_size, const char *path, c
 extern char *chat_read_file(const char *path, const char *key, const char *nonce);
 extern char *chat_encrypt_file(chat_ctrl ctrl, const char *from_path, const char *to_path);
 extern char *chat_decrypt_file(const char *from_path, const char *key, const char *nonce, const char *to_path);
-extern char *chat_resize_image_to_str_size(const char *from_path, int max_size);
+extern char *chat_resize_image_to_str_size(const char *from_path, long max_size);
 
 // As a reference: https://stackoverflow.com/a/60002045
 jstring decode_to_utf8_string(JNIEnv *env, char *string) {
@@ -268,7 +268,7 @@ Java_chat_simplex_common_platform_CoreKt_chatDecryptFile(JNIEnv *env, jclass cla
 }
 
 JNIEXPORT jstring JNICALL
-Java_chat_simplex_common_platform_CoreKt_chatResizeImageToStrSize(JNIEnv *env, jclass clazz, jstring from_path, jint max_size) {
+Java_chat_simplex_common_platform_CoreKt_chatResizeImageToStrSize(JNIEnv *env, jclass clazz, jstring from_path, jlong max_size) {
     const char *_from_path = encode_to_utf8_chars(env, from_path);
     jstring res = decode_to_utf8_string(env, chat_resize_image_to_str_size(_from_path, max_size));
     (*env)->ReleaseStringUTFChars(env, from_path, _from_path);
diff --git a/apps/multiplatform/common/src/commonMain/kotlin/chat/simplex/common/platform/Core.kt b/apps/multiplatform/common/src/commonMain/kotlin/chat/simplex/common/platform/Core.kt
index 1cf9172595..dc2dccf3ea 100644
--- a/apps/multiplatform/common/src/commonMain/kotlin/chat/simplex/common/platform/Core.kt
+++ b/apps/multiplatform/common/src/commonMain/kotlin/chat/simplex/common/platform/Core.kt
@@ -35,7 +35,7 @@ external fun chatWriteFile(ctrl: ChatCtrl, path: String, buffer: ByteBuffer): St
 external fun chatReadFile(path: String, key: String, nonce: String): Array<Any>
 external fun chatEncryptFile(ctrl: ChatCtrl, fromPath: String, toPath: String): String
 external fun chatDecryptFile(fromPath: String, key: String, nonce: String, toPath: String): String
-external fun chatResizeImageToStrSize(fromPath: String, maxSize: Int): String
+external fun chatResizeImageToStrSize(fromPath: String, maxSize: Long): String
 
 val chatModel: ChatModel
   get() = chatController.chatModel
diff --git a/apps/multiplatform/common/src/commonMain/kotlin/chat/simplex/common/views/helpers/Utils.kt b/apps/multiplatform/common/src/commonMain/kotlin/chat/simplex/common/views/helpers/Utils.kt
index 39611361e3..76a06ed4a3 100644
--- a/apps/multiplatform/common/src/commonMain/kotlin/chat/simplex/common/views/helpers/Utils.kt
+++ b/apps/multiplatform/common/src/commonMain/kotlin/chat/simplex/common/views/helpers/Utils.kt
@@ -365,7 +365,10 @@ fun formatBytes(bytes: Long): String {
 }
 
 fun removeFile(fileName: String): Boolean {
-  val file = File(getAppFilePath(fileName))
+  return removeFile(File(getAppFilePath(fileName)))
+}
+
+fun removeFile(file: File): Boolean {
   val fileDeleted = file.delete()
   if (!fileDeleted) {
     Log.e(TAG, "Util.kt removeFile error")
diff --git a/apps/multiplatform/common/src/desktopMain/kotlin/chat/simplex/common/platform/Images.desktop.kt b/apps/multiplatform/common/src/desktopMain/kotlin/chat/simplex/common/platform/Images.desktop.kt
index 1d6ca8e922..7f1884e4f0 100644
--- a/apps/multiplatform/common/src/desktopMain/kotlin/chat/simplex/common/platform/Images.desktop.kt
+++ b/apps/multiplatform/common/src/desktopMain/kotlin/chat/simplex/common/platform/Images.desktop.kt
@@ -29,10 +29,8 @@ actual fun base64ToBitmap(base64ImageString: String): ImageBitmap {
   return try {
     ImageIO.read(ByteArrayInputStream(Base64.getMimeDecoder().decode(imageString))).toComposeImageBitmap()
   } catch (e: Exception) { // ByteArrayInputStream returns null
-  // } catch (e: IOException) {
-    Log.e(TAG, "base64ToBitmap error: $e for $base64ImageString")
+    Log.e(TAG, "base64ToBitmap error: $e for \"$base64ImageString\"")
     errorBitmap()
-  }
 }
 
 actual fun resizeImageToStrSize(image: ImageBitmap, maxDataSize: Long): String {
@@ -42,8 +40,8 @@ actual fun resizeImageToStrSize(image: ImageBitmap, maxDataSize: Long): String {
   compressImageData(image, true).writeTo(output)
   output.flush()
   output.close()
-  var str = chatResizeImageToStrSize(tmpFileName, maxDataSize.toInt())
-  removeFile(tmpFileName)
+  var str = chatResizeImageToStrSize(tmpFile.absolutePath, maxDataSize)
+  removeFile(tmpFile)
   return str
 }
 
diff --git a/src/Simplex/Chat/Mobile.hs b/src/Simplex/Chat/Mobile.hs
index d5cd7e9039..55d08b9e75 100644
--- a/src/Simplex/Chat/Mobile.hs
+++ b/src/Simplex/Chat/Mobile.hs
@@ -113,7 +113,7 @@ foreign export ccall "chat_encrypt_file" cChatEncryptFile :: StablePtr ChatContr
 
 foreign export ccall "chat_decrypt_file" cChatDecryptFile :: CString -> CString -> CString -> CString -> IO CString
 
-foreign export ccall "chat_resize_image_to_str_size" cChatResizeImageToStrSize :: CString -> CInt -> IO CString
+foreign export ccall "chat_resize_image_to_str_size" cChatResizeImageToStrSize :: CString -> CLong -> IO CString
 
 -- | check / migrate database and initialize chat controller on success
 cChatMigrateInit :: CString -> CString -> CString -> Ptr (StablePtr ChatController) -> IO CJSONString
@@ -205,7 +205,7 @@ cChatJsonLength s = fromIntegral . subtract 2 . LB.length . J.encode . safeDecod
 -- Returns data-uri/base64 encoded image as 0-terminated string.
 -- Empty result string means operation failure.
 -- The caller must free the result ptr.
-cChatResizeImageToStrSize :: CString -> CInt -> IO CString
+cChatResizeImageToStrSize :: CString -> CLong -> IO CString
 cChatResizeImageToStrSize fp' maxSize = do
   fp <- peekCString fp'
   res <- runExceptT $ do