diff --git a/AK/JsonObjectSerializer.h b/AK/JsonObjectSerializer.h
index faea026d8c..05d9e12c9c 100644
--- a/AK/JsonObjectSerializer.h
+++ b/AK/JsonObjectSerializer.h
@@ -170,6 +170,16 @@ public:
     }
 
 #ifndef KERNEL
+    ErrorOr<void> add(StringView key, float value)
+    {
+        TRY(begin_item(key));
+        if constexpr (IsLegacyBuilder<Builder>)
+            TRY(m_builder.try_appendff("{}", value));
+        else
+            TRY(m_builder.appendff("{}", value));
+        return {};
+    }
+
     ErrorOr<void> add(StringView key, double value)
     {
         TRY(begin_item(key));
diff --git a/AK/JsonValue.h b/AK/JsonValue.h
index 4413f38341..328d7ee0d9 100644
--- a/AK/JsonValue.h
+++ b/AK/JsonValue.h
@@ -101,12 +101,12 @@ public:
     unsigned to_uint(unsigned default_value = 0) const { return to_u32(default_value); }
     u32 to_u32(u32 default_value = 0) const { return to_number<u32>(default_value); }
     u64 to_u64(u64 default_value = 0) const { return to_number<u64>(default_value); }
-
 #if !defined(KERNEL)
-    double to_double(double default_value = 0) const
+    float to_float(float default_value = 0) const
     {
-        return to_number<double>(default_value);
+        return to_number<float>(default_value);
     }
+    double to_double(double default_value = 0) const { return to_number<double>(default_value); }
 #endif
 
     FlatPtr to_addr(FlatPtr default_value = 0) const