diff --git a/Mac/AppDelegate.swift b/Mac/AppDelegate.swift
index d56800522..afdbbfd56 100644
--- a/Mac/AppDelegate.swift
+++ b/Mac/AppDelegate.swift
@@ -765,7 +765,7 @@ extension AppDelegate {
 
 }
 
-private extension AppDelegate {
+internal extension AppDelegate {
 
 	func fireOldTimers() {
 		// It’s possible there’s a refresh timer set to go off in the past.
diff --git a/Mac/Resources/Info.plist b/Mac/Resources/Info.plist
index ce803e9ed..be2d2bf9e 100644
--- a/Mac/Resources/Info.plist
+++ b/Mac/Resources/Info.plist
@@ -31,6 +31,7 @@
 			<string>RSS Feed</string>
 			<key>CFBundleURLSchemes</key>
 			<array>
+				<string>netnewswire</string>
 				<string>feed</string>
 				<string>feeds</string>
 				<string>x-netnewswire-feed</string>
diff --git a/Mac/Scriptability/AppDelegate+Scriptability.swift b/Mac/Scriptability/AppDelegate+Scriptability.swift
index 2b6b6f5db..81eba91c2 100644
--- a/Mac/Scriptability/AppDelegate+Scriptability.swift
+++ b/Mac/Scriptability/AppDelegate+Scriptability.swift
@@ -18,6 +18,7 @@
 
 import Foundation
 import Articles
+import Zip
 
 protocol AppDelegateAppleEvents {
     func installAppleEventHandlers()
@@ -44,6 +45,63 @@ extension AppDelegate : AppDelegateAppleEvents {
             return
         }
 
+		// Handle themes
+		if urlString.hasPrefix("netnewswire://theme") {
+			guard let comps = URLComponents(string: urlString),
+				  let queryItems = comps.queryItems,
+				  let themeURLString = queryItems.first(where: { $0.name == "url" })?.value else {
+					  return
+				  }
+			
+			if let themeURL = URL(string: themeURLString) {
+				let request = URLRequest(url: themeURL)
+				let task = URLSession.shared.downloadTask(with: request) { location, response, error in
+					var downloadDirectory = FileManager.default.urls(for: .downloadsDirectory, in: .userDomainMask).first!
+					try? FileManager.default.createDirectory(at: downloadDirectory, withIntermediateDirectories: true, attributes: nil)
+					let tmpFileName = UUID().uuidString + ".zip"
+					downloadDirectory.appendPathComponent("\(tmpFileName)")
+					
+					if location == nil {
+						return
+					}
+					
+					do {
+						try FileManager.default.moveItem(at: location!, to: downloadDirectory)
+					
+						var unzippedDir = downloadDirectory
+						unzippedDir = unzippedDir.deletingLastPathComponent()
+						unzippedDir.appendPathComponent("newtheme.nnwtheme")
+						
+						try Zip.unzipFile(downloadDirectory, destination: unzippedDir, overwrite: true, password: nil, progress: nil, fileOutputHandler: nil)
+						try FileManager.default.removeItem(at: downloadDirectory)
+						
+						let decoder = PropertyListDecoder()
+						let plistURL = URL(fileURLWithPath: unzippedDir.appendingPathComponent("Info.plist").path)
+						
+						let data = try Data(contentsOf: plistURL)
+						let plist = try decoder.decode(ArticleThemePlist.self, from: data)
+						
+						// rename
+						var renamedUnzippedDir = unzippedDir.deletingLastPathComponent()
+						renamedUnzippedDir.appendPathComponent(plist.name + ".nnwtheme")
+						if FileManager.default.fileExists(atPath: renamedUnzippedDir.path) {
+							try FileManager.default.removeItem(at: renamedUnzippedDir)
+						}
+						try FileManager.default.moveItem(at: unzippedDir, to: renamedUnzippedDir)
+						DispatchQueue.main.async {
+							self.importTheme(filename: renamedUnzippedDir.path)
+						}
+					} catch {
+						print(error)
+					}
+				}
+				task.resume()
+			}
+			return
+		
+		}
+		
+		
 		// Special case URL with specific scheme handler x-netnewswire-feed: intended to ensure we open
 		// it regardless of which news reader may be set as the default
 		let nnwScheme = "x-netnewswire-feed:"
diff --git a/NetNewsWire.xcodeproj/project.pbxproj b/NetNewsWire.xcodeproj/project.pbxproj
index eb9d1aa9b..1e1787b22 100644
--- a/NetNewsWire.xcodeproj/project.pbxproj
+++ b/NetNewsWire.xcodeproj/project.pbxproj
@@ -112,6 +112,8 @@
 		1799E6AA24C2F93F00511E91 /* InspectorPlatformModifier.swift in Sources */ = {isa = PBXBuildFile; fileRef = 1799E6A824C2F93F00511E91 /* InspectorPlatformModifier.swift */; };
 		1799E6CD24C320D600511E91 /* InspectorModel.swift in Sources */ = {isa = PBXBuildFile; fileRef = 1799E6CC24C320D600511E91 /* InspectorModel.swift */; };
 		1799E6CE24C320D600511E91 /* InspectorModel.swift in Sources */ = {isa = PBXBuildFile; fileRef = 1799E6CC24C320D600511E91 /* InspectorModel.swift */; };
+		179C39EA26F76B0500D4E741 /* Zip in Frameworks */ = {isa = PBXBuildFile; productRef = 179C39E926F76B0500D4E741 /* Zip */; };
+		179C39EB26F76B3800D4E741 /* ArticleThemePlist.swift in Sources */ = {isa = PBXBuildFile; fileRef = 179D280C26F73D83003B2E0A /* ArticleThemePlist.swift */; };
 		179D280B26F6F93D003B2E0A /* Zip in Frameworks */ = {isa = PBXBuildFile; productRef = 179D280A26F6F93D003B2E0A /* Zip */; };
 		179D280D26F73D83003B2E0A /* ArticleThemePlist.swift in Sources */ = {isa = PBXBuildFile; fileRef = 179D280C26F73D83003B2E0A /* ArticleThemePlist.swift */; };
 		179D280E26F73D83003B2E0A /* ArticleThemePlist.swift in Sources */ = {isa = PBXBuildFile; fileRef = 179D280C26F73D83003B2E0A /* ArticleThemePlist.swift */; };
@@ -2319,6 +2321,7 @@
 				51C4CFF624D37DD500AF9874 /* Secrets in Frameworks */,
 				51A737AE24DB19730015FA66 /* RSCore in Frameworks */,
 				51A737C824DB19CC0015FA66 /* RSParser in Frameworks */,
+				179C39EA26F76B0500D4E741 /* Zip in Frameworks */,
 				51E4DAED2425F6940091EB5B /* CloudKit.framework in Frameworks */,
 				514C16E124D2EF38009A3AFA /* RSCoreResources in Frameworks */,
 				514C16CE24D2E63F009A3AFA /* Account in Frameworks */,
@@ -4192,6 +4195,7 @@
 				5132775D2590FC640064F1E7 /* Articles */,
 				513277602590FC640064F1E7 /* ArticlesDatabase */,
 				513277632590FC640064F1E7 /* SyncDatabase */,
+				179C39E926F76B0500D4E741 /* Zip */,
 			);
 			productName = NetNewsWire;
 			productReference = 849C64601ED37A5D003D8FC0 /* NetNewsWire.app */;
@@ -5815,6 +5819,7 @@
 				510C418124E5D1AE008226FD /* ExtensionContainers.swift in Sources */,
 				51EC114C2149FE3300B296E3 /* FolderTreeMenu.swift in Sources */,
 				849ADEE42359817E000E1B81 /* NNW3ImportController.swift in Sources */,
+				179C39EB26F76B3800D4E741 /* ArticleThemePlist.swift in Sources */,
 				849A97A31ED9F180007D329B /* FolderTreeControllerDelegate.swift in Sources */,
 				51126DA4225FDE2F00722696 /* RSImage-Extensions.swift in Sources */,
 				510C43F7243D035C009F70C3 /* ExtensionPoint.swift in Sources */,
@@ -6518,6 +6523,11 @@
 			package = 5102AE4324D17E820050839C /* XCRemoteSwiftPackageReference "RSCore" */;
 			productName = RSCoreResources;
 		};
+		179C39E926F76B0500D4E741 /* Zip */ = {
+			isa = XCSwiftPackageProductDependency;
+			package = 179D280926F6F93D003B2E0A /* XCRemoteSwiftPackageReference "Zip" */;
+			productName = Zip;
+		};
 		179D280A26F6F93D003B2E0A /* Zip */ = {
 			isa = XCSwiftPackageProductDependency;
 			package = 179D280926F6F93D003B2E0A /* XCRemoteSwiftPackageReference "Zip" */;