diff --git a/Sources/Defaults/Defaults+Extensions.swift b/Sources/Defaults/Defaults+Extensions.swift
index 61caa69..3c75ab5 100644
--- a/Sources/Defaults/Defaults+Extensions.swift
+++ b/Sources/Defaults/Defaults+Extensions.swift
@@ -168,6 +168,12 @@ extension NSColor: Defaults.Serializable {}
 extension UIColor: Defaults.Serializable {}
 #endif
 
+#if os(macOS)
+extension NSFontDescriptor: Defaults.Serializable {}
+#else
+extension UIFontDescriptor: Defaults.Serializable {}
+#endif
+
 extension NSUbiquitousKeyValueStore: DefaultsKeyValueStore {}
 extension UserDefaults: DefaultsKeyValueStore {}
 
diff --git a/readme.md b/readme.md
index 7566f17..1052269 100644
--- a/readme.md
+++ b/readme.md
@@ -54,13 +54,16 @@ Add `https://github.com/sindresorhus/Defaults` in the [“Swift Package Manager
 - `Data`
 - `URL`
 - `UUID`
-- `NSColor` (macOS)
-- `UIColor` (iOS)
-- `Color` [^1] (SwiftUI)
-- `Color.Resolved` [^1] (SwiftUI)
+- `Range`
+- `ClosedRange`
 - `Codable`
 - `NSSecureCoding`
-- `Range`, `ClosedRange`
+- `Color` [^1] (SwiftUI)
+- `Color.Resolved` [^1] (SwiftUI)
+- `NSColor`
+- `UIColor`
+- `NSFontDescriptor`
+- `UIFontDescriptor`
 
 Defaults also support the above types wrapped in `Array`, `Set`, `Dictionary`, `Range`, `ClosedRange`, and even wrapped in nested types. For example, `[[String: Set<[String: Int]>]]`.