diff --git a/JSONViewer.xcodeproj/project.pbxproj b/JSONViewer.xcodeproj/project.pbxproj
index 1b435f9..69957a6 100644
--- a/JSONViewer.xcodeproj/project.pbxproj
+++ b/JSONViewer.xcodeproj/project.pbxproj
@@ -399,7 +399,8 @@
 				CURRENT_PROJECT_VERSION = 1;
 				DEVELOPMENT_ASSET_PATHS = "\"JSONViewer/Preview Content\"";
 				ENABLE_PREVIEWS = YES;
-				GENERATE_INFOPLIST_FILE = YES;
+				GENERATE_INFOPLIST_FILE = NO;
+				INFOPLIST_FILE = JSONViewer/Info.plist;
 				INFOPLIST_KEY_CFBundleDisplayName = Prism;
 				INFOPLIST_KEY_CFBundleName = Prism;
 				INFOPLIST_KEY_CFBundleDocumentTypes = (
@@ -407,11 +408,13 @@
 						CFBundleTypeName = "JSON Document";
 						CFBundleTypeRole = Viewer;
 						LSItemContentTypes = ( "public.json" );
+						CFBundleTypeExtensions = ( "json" );
 					},
 					{
 						CFBundleTypeName = "JSON Lines Document";
 						CFBundleTypeRole = Viewer;
 						LSItemContentTypes = ( "org.jsonlines.jsonl" );
+						CFBundleTypeExtensions = ( "jsonl", "ndjson" );
 					},
 				);
 				INFOPLIST_KEY_UTImportedTypeDeclarations = (
@@ -419,7 +422,7 @@
 						UTTypeIdentifier = "org.jsonlines.jsonl";
 						UTTypeDescription = "JSON Lines Document";
 						UTTypeConformsTo = ( "public.plain-text" );
-						UTTypeTagSpecification = { "public.filename-extension" = ( "jsonl" ); "public.mime-type" = "application/x-ndjson"; };
+						UTTypeTagSpecification = { "public.filename-extension" = ( "jsonl", "ndjson" ); "public.mime-type" = ( "application/x-ndjson", "application/ndjson" ); };
 					},
 				);
 				INFOPLIST_KEY_NSHumanReadableCopyright = "";
@@ -447,7 +450,8 @@
 				CURRENT_PROJECT_VERSION = 1;
 				DEVELOPMENT_ASSET_PATHS = "\"JSONViewer/Preview Content\"";
 				ENABLE_PREVIEWS = YES;
-				GENERATE_INFOPLIST_FILE = YES;
+				GENERATE_INFOPLIST_FILE = NO;
+				INFOPLIST_FILE = JSONViewer/Info.plist;
 				INFOPLIST_KEY_CFBundleDisplayName = Prism;
 				INFOPLIST_KEY_CFBundleName = Prism;
 				INFOPLIST_KEY_CFBundleDocumentTypes = (
@@ -455,11 +459,13 @@
 						CFBundleTypeName = "JSON Document";
 						CFBundleTypeRole = Viewer;
 						LSItemContentTypes = ( "public.json" );
+						CFBundleTypeExtensions = ( "json" );
 					},
 					{
 						CFBundleTypeName = "JSON Lines Document";
 						CFBundleTypeRole = Viewer;
 						LSItemContentTypes = ( "org.jsonlines.jsonl" );
+						CFBundleTypeExtensions = ( "jsonl", "ndjson" );
 					},
 				);
 				INFOPLIST_KEY_UTImportedTypeDeclarations = (
@@ -467,7 +473,7 @@
 						UTTypeIdentifier = "org.jsonlines.jsonl";
 						UTTypeDescription = "JSON Lines Document";
 						UTTypeConformsTo = ( "public.plain-text" );
-						UTTypeTagSpecification = { "public.filename-extension" = ( "jsonl" ); "public.mime-type" = "application/x-ndjson"; };
+						UTTypeTagSpecification = { "public.filename-extension" = ( "jsonl", "ndjson" ); "public.mime-type" = ( "application/x-ndjson", "application/ndjson" ); };
 					},
 				);
 				INFOPLIST_KEY_NSHumanReadableCopyright = "";
diff --git a/JSONViewer/Info.plist b/JSONViewer/Info.plist
index 28af1f4..edbc85a 100644
--- a/JSONViewer/Info.plist
+++ b/JSONViewer/Info.plist
@@ -29,6 +29,10 @@
 			<array>
 				<string>public.json</string>
 			</array>
+			<key>CFBundleTypeExtensions</key>
+			<array>
+				<string>json</string>
+			</array>
 		</dict>
 		<dict>
 			<key>CFBundleTypeName</key>
@@ -39,6 +43,11 @@
 			<array>
 				<string>org.jsonlines.jsonl</string>
 			</array>
+			<key>CFBundleTypeExtensions</key>
+			<array>
+				<string>jsonl</string>
+				<string>ndjson</string>
+			</array>
 		</dict>
 	</array>
 
@@ -59,9 +68,13 @@
 				<key>public.filename-extension</key>
 				<array>
 					<string>jsonl</string>
+					<string>ndjson</string>
 				</array>
 				<key>public.mime-type</key>
-				<string>application/x-ndjson</string>
+				<array>
+					<string>application/x-ndjson</string>
+					<string>application/ndjson</string>
+				</array>
 			</dict>
 		</dict>
 	</array>