diff --git a/lib/wp/properties.c b/lib/wp/properties.c
index b890c668..40ca375b 100644
--- a/lib/wp/properties.c
+++ b/lib/wp/properties.c
@@ -146,6 +146,26 @@ wp_properties_new_string (const gchar * str)
   return self;
 }
 
+/*!
+ * \brief Constructs a new properties set that contains the properties that can
+ * be parsed from the given JSON object
+ *
+ * \ingroup wpproperties
+ * \param json a JSON object
+ * \returns (transfer full): the newly constructed properties set
+ */
+WpProperties *
+wp_properties_new_json (const WpSpaJson * json)
+{
+  WpProperties * self;
+
+  g_return_val_if_fail (json != NULL, NULL);
+
+  self = wp_properties_new_empty ();
+  wp_properties_update_from_json (self, json);
+  return self;
+}
+
 /*!
  * \brief Constructs a new WpProperties that wraps the given \a props structure,
  * allowing reading properties on that \a props structure through
@@ -398,6 +418,28 @@ wp_properties_update_from_dict (WpProperties * self,
   return pw_properties_update (self->props, dict);
 }
 
+/*!
+ * \brief Updates (adds new or modifies existing) properties in \a self,
+ * using the given \a json as a source.
+ *
+ * Any properties that are not contained in \a json are left untouched.
+ *
+ * \ingroup wpproperties
+ * \param self a properties object
+ * \param json a JSON object that contains properties to update
+ * \returns the number of properties that were changed
+ */
+gint
+wp_properties_update_from_json (WpProperties * self, const WpSpaJson * json)
+{
+  g_return_val_if_fail (self != NULL, -EINVAL);
+  g_return_val_if_fail (!(self->flags & FLAG_IS_DICT), -EINVAL);
+  g_return_val_if_fail (!(self->flags & FLAG_NO_OWNERSHIP), -EINVAL);
+
+  return pw_properties_update_string (self->props, wp_spa_json_get_data (json),
+      wp_spa_json_get_size (json));
+}
+
 /*!
  * \brief Adds new properties in \a self, using the given \a props as a source.
  *
diff --git a/lib/wp/properties.h b/lib/wp/properties.h
index 6e454468..92a2652f 100644
--- a/lib/wp/properties.h
+++ b/lib/wp/properties.h
@@ -12,6 +12,7 @@
 #include <glib-object.h>
 #include "defs.h"
 #include "iterator.h"
+#include "spa-json.h"
 
 G_BEGIN_DECLS
 
@@ -40,6 +41,9 @@ WpProperties * wp_properties_new_valist (const gchar * key, va_list args);
 WP_API
 WpProperties * wp_properties_new_string (const gchar * str);
 
+WP_API
+WpProperties * wp_properties_new_json (const WpSpaJson * json);
+
 WP_API
 WpProperties * wp_properties_new_wrap (const struct pw_properties * props);
 
@@ -78,6 +82,9 @@ WP_API
 gint wp_properties_update_from_dict (WpProperties * self,
     const struct spa_dict * dict);
 
+WP_API
+gint wp_properties_update_from_json (WpProperties * self, const WpSpaJson * json);
+
 /* add */
 
 WP_API