diff --git a/Userland/Libraries/LibCore/MimeData.cpp b/Userland/Libraries/LibCore/MimeData.cpp
index 1ab3f14cd2..ce6de165d0 100644
--- a/Userland/Libraries/LibCore/MimeData.cpp
+++ b/Userland/Libraries/LibCore/MimeData.cpp
@@ -123,6 +123,7 @@ static Array const s_registered_mime_type = {
     MimeType { .name = "image/gif"sv, .common_extensions = { ".gif"sv }, .description = "GIF image data"sv, .magic_bytes = Vector<u8> { 'G', 'I', 'F', '8', '7', 'a' } },
     MimeType { .name = "image/gif"sv, .common_extensions = { ".gif"sv }, .description = "GIF image data"sv, .magic_bytes = Vector<u8> { 'G', 'I', 'F', '8', '9', 'a' } },
     MimeType { .name = "image/jpeg"sv, .common_extensions = { ".jpg"sv, ".jpeg"sv }, .description = "JPEG image data"sv, .magic_bytes = Vector<u8> { 0xFF, 0xD8, 0xFF } },
+    MimeType { .name = "image/jxl"sv, .common_extensions = { ".jxl"sv }, .description = "JPEG XL image data"sv, .magic_bytes = Vector<u8> { 0xFF, 0x0A } },
     MimeType { .name = "image/png"sv, .common_extensions = { ".png"sv }, .description = "PNG image data"sv, .magic_bytes = Vector<u8> { 0x89, 'P', 'N', 'G', 0x0D, 0x0A, 0x1A, 0x0A } },
     MimeType { .name = "image/svg+xml"sv, .common_extensions = { ".svg"sv }, .description = "Scalable Vector Graphics image"sv },
     MimeType { .name = "image/tiff"sv, .common_extensions = { ".tiff"sv }, .description = "TIFF image data"sv, .magic_bytes = Vector<u8> { 'I', 'I', '*', 0x00 } },
diff --git a/Userland/Libraries/LibGUI/FileTypeFilter.h b/Userland/Libraries/LibGUI/FileTypeFilter.h
index d2948572a6..f101a023a2 100644
--- a/Userland/Libraries/LibGUI/FileTypeFilter.h
+++ b/Userland/Libraries/LibGUI/FileTypeFilter.h
@@ -25,7 +25,7 @@ struct FileTypeFilter {
 
     static FileTypeFilter image_files()
     {
-        return FileTypeFilter { "Image Files", Vector<DeprecatedString> { "png", "gif", "bmp", "dip", "pbm", "pgm", "ppm", "ico", "jpeg", "jpg", "dds", "qoi", "webp", "tvg" } };
+        return FileTypeFilter { "Image Files", Vector<DeprecatedString> { "png", "gif", "bmp", "dip", "pbm", "pgm", "ppm", "ico", "jpeg", "jpg", "jxl", "dds", "qoi", "webp", "tvg" } };
     }
 };
 
diff --git a/Userland/Libraries/LibGfx/Bitmap.h b/Userland/Libraries/LibGfx/Bitmap.h
index fbae93387f..61e641bca9 100644
--- a/Userland/Libraries/LibGfx/Bitmap.h
+++ b/Userland/Libraries/LibGfx/Bitmap.h
@@ -26,6 +26,7 @@
     __ENUMERATE_IMAGE_FORMAT(ico, ".ico")   \
     __ENUMERATE_IMAGE_FORMAT(jpeg, ".jpg")  \
     __ENUMERATE_IMAGE_FORMAT(jpeg, ".jpeg") \
+    __ENUMERATE_IMAGE_FORMAT(jxl, ".jxl")   \
     __ENUMERATE_IMAGE_FORMAT(dds, ".dds")   \
     __ENUMERATE_IMAGE_FORMAT(qoi, ".qoi")   \
     __ENUMERATE_IMAGE_FORMAT(tga, ".tga")   \