diff --git a/src/modules/module-protocol-pulse/modules/module-ladspa-sink.c b/src/modules/module-protocol-pulse/modules/module-ladspa-sink.c
index 7a8f9d970..56607d6c5 100644
--- a/src/modules/module-protocol-pulse/modules/module-ladspa-sink.c
+++ b/src/modules/module-protocol-pulse/modules/module-ladspa-sink.c
@@ -62,27 +62,6 @@ static const struct pw_impl_module_events module_events = {
 	.destroy = module_destroy
 };
 
-static void serialize_dict(FILE *f, const struct spa_dict *dict)
-{
-	const struct spa_dict_item *it;
-	spa_dict_for_each(it, dict) {
-		size_t len = it->value ? strlen(it->value) : 0;
-		fprintf(f, " \"%s\" = ", it->key);
-		if (it->value == NULL) {
-			fprintf(f, "null");
-		} else if ( spa_json_is_null(it->value, len) ||
-		    spa_json_is_float(it->value, len) ||
-		    spa_json_is_object(it->value, len)) {
-			fprintf(f, "%s", it->value);
-		} else {
-			size_t size = (len+1) * 4;
-			char str[size];
-				spa_json_encode_string(str, size, it->value);
-			fprintf(f, "%s", str);
-		}
-	}
-}
-
 static int module_ladspa_sink_load(struct client *client, struct module *module)
 {
 	struct module_ladspa_sink_data *data = module->user_data;
@@ -101,7 +80,7 @@ static int module_ladspa_sink_load(struct client *client, struct module *module)
 
 	f = open_memstream(&args, &size);
 	fprintf(f, "{");
-	serialize_dict(f, &module->props->dict);
+	pw_properties_serialize_dict(f, &module->props->dict, 0);
 	fprintf(f, " filter.graph = {");
 	fprintf(f, " nodes = [ { ");
 	fprintf(f, " type = ladspa ");
@@ -113,9 +92,9 @@ static int module_ladspa_sink_load(struct client *client, struct module *module)
 		fprintf(f, " outputs = [ %s ] ", str);
 	fprintf(f, " } ] }");
 	fprintf(f, " capture.props = {");
-	serialize_dict(f, &data->capture_props->dict);
+	pw_properties_serialize_dict(f, &data->capture_props->dict, 0);
 	fprintf(f, " } playback.props = {");
-	serialize_dict(f, &data->playback_props->dict);
+	pw_properties_serialize_dict(f, &data->playback_props->dict, 0);
 	fprintf(f, " } }");
 	fclose(f);
 
diff --git a/src/modules/module-protocol-pulse/modules/module-ladspa-source.c b/src/modules/module-protocol-pulse/modules/module-ladspa-source.c
index ea4065650..cd833eced 100644
--- a/src/modules/module-protocol-pulse/modules/module-ladspa-source.c
+++ b/src/modules/module-protocol-pulse/modules/module-ladspa-source.c
@@ -62,27 +62,6 @@ static const struct pw_impl_module_events module_events = {
 	.destroy = module_destroy
 };
 
-static void serialize_dict(FILE *f, const struct spa_dict *dict)
-{
-	const struct spa_dict_item *it;
-	spa_dict_for_each(it, dict) {
-		size_t len = it->value ? strlen(it->value) : 0;
-		fprintf(f, " \"%s\" = ", it->key);
-		if (it->value == NULL) {
-			fprintf(f, "null");
-		} else if ( spa_json_is_null(it->value, len) ||
-		    spa_json_is_float(it->value, len) ||
-		    spa_json_is_object(it->value, len)) {
-			fprintf(f, "%s", it->value);
-		} else {
-			size_t size = (len+1) * 4;
-			char str[size];
-				spa_json_encode_string(str, size, it->value);
-			fprintf(f, "%s", str);
-		}
-	}
-}
-
 static int module_ladspa_source_load(struct client *client, struct module *module)
 {
 	struct module_ladspa_source_data *data = module->user_data;
@@ -101,7 +80,7 @@ static int module_ladspa_source_load(struct client *client, struct module *modul
 
 	f = open_memstream(&args, &size);
 	fprintf(f, "{");
-	serialize_dict(f, &module->props->dict);
+	pw_properties_serialize_dict(f, &module->props->dict, 0);
 	fprintf(f, " filter.graph = {");
 	fprintf(f, " nodes = [ { ");
 	fprintf(f, " type = ladspa ");
@@ -113,9 +92,9 @@ static int module_ladspa_source_load(struct client *client, struct module *modul
 		fprintf(f, " outputs = [ %s ] ", str);
 	fprintf(f, " } ] }");
 	fprintf(f, " capture.props = {");
-	serialize_dict(f, &data->capture_props->dict);
+	pw_properties_serialize_dict(f, &data->capture_props->dict, 0);
 	fprintf(f, " } playback.props = {");
-	serialize_dict(f, &data->playback_props->dict);
+	pw_properties_serialize_dict(f, &data->playback_props->dict, 0);
 	fprintf(f, " } }");
 	fclose(f);
 
diff --git a/src/modules/module-protocol-pulse/modules/module-loopback.c b/src/modules/module-protocol-pulse/modules/module-loopback.c
index 63ff9e529..c97c67c06 100644
--- a/src/modules/module-protocol-pulse/modules/module-loopback.c
+++ b/src/modules/module-protocol-pulse/modules/module-loopback.c
@@ -65,29 +65,6 @@ static const struct pw_impl_module_events module_events = {
 	.destroy = module_destroy
 };
 
-static void serialize_dict(FILE *f, const struct spa_dict *dict)
-{
-	const struct spa_dict_item *it;
-	fprintf(f, "{");
-	spa_dict_for_each(it, dict) {
-		size_t len = it->value ? strlen(it->value) : 0;
-		fprintf(f, " \"%s\" = ", it->key);
-		if (it->value == NULL) {
-			fprintf(f, "null");
-		} else if ( spa_json_is_null(it->value, len) ||
-		    spa_json_is_float(it->value, len) ||
-		    spa_json_is_object(it->value, len)) {
-			fprintf(f, "%s", it->value);
-		} else {
-			size_t size = (len+1) * 4;
-			char str[size];
-				spa_json_encode_string(str, size, it->value);
-			fprintf(f, "%s", str);
-		}
-	}
-	fprintf(f, " }");
-}
-
 static int module_loopback_load(struct client *client, struct module *module)
 {
 	struct module_loopback_data *data = module->user_data;
@@ -102,11 +79,11 @@ static int module_loopback_load(struct client *client, struct module *module)
 	fprintf(f, "{");
 	if (data->info.channels != 0)
 		fprintf(f, " audio.channels = %u", data->info.channels);
-	fprintf(f, " capture.props = ");
-	serialize_dict(f, &data->capture_props->dict);
-	fprintf(f, " playback.props = ");
-	serialize_dict(f, &data->playback_props->dict);
-	fprintf(f, " }");
+	fprintf(f, " capture.props = {");
+	pw_properties_serialize_dict(f, &data->capture_props->dict, 0);
+	fprintf(f, " } playback.props = {");
+	pw_properties_serialize_dict(f, &data->playback_props->dict, 0);
+	fprintf(f, " } }");
 	fclose(f);
 
 	data->mod = pw_context_load_module(module->impl->context,
diff --git a/src/modules/module-protocol-pulse/modules/module-remap-sink.c b/src/modules/module-protocol-pulse/modules/module-remap-sink.c
index ede7427cf..045bb11ba 100644
--- a/src/modules/module-protocol-pulse/modules/module-remap-sink.c
+++ b/src/modules/module-protocol-pulse/modules/module-remap-sink.c
@@ -62,27 +62,6 @@ static const struct pw_impl_module_events module_events = {
 	.destroy = module_destroy
 };
 
-static void serialize_dict(FILE *f, const struct spa_dict *dict)
-{
-	const struct spa_dict_item *it;
-	spa_dict_for_each(it, dict) {
-		size_t len = it->value ? strlen(it->value) : 0;
-		fprintf(f, " \"%s\" = ", it->key);
-		if (it->value == NULL) {
-			fprintf(f, "null");
-		} else if ( spa_json_is_null(it->value, len) ||
-		    spa_json_is_float(it->value, len) ||
-		    spa_json_is_object(it->value, len)) {
-			fprintf(f, "%s", it->value);
-		} else {
-			size_t size = (len+1) * 4;
-			char str[size];
-				spa_json_encode_string(str, size, it->value);
-			fprintf(f, "%s", str);
-		}
-	}
-}
-
 static int module_remap_sink_load(struct client *client, struct module *module)
 {
 	struct module_remap_sink_data *data = module->user_data;
@@ -95,11 +74,11 @@ static int module_remap_sink_load(struct client *client, struct module *module)
 
 	f = open_memstream(&args, &size);
 	fprintf(f, "{");
-	serialize_dict(f, &module->props->dict);
+	pw_properties_serialize_dict(f, &module->props->dict, 0);
 	fprintf(f, " capture.props = {");
-	serialize_dict(f, &data->capture_props->dict);
+	pw_properties_serialize_dict(f, &data->capture_props->dict, 0);
 	fprintf(f, " } playback.props = {");
-	serialize_dict(f, &data->playback_props->dict);
+	pw_properties_serialize_dict(f, &data->playback_props->dict, 0);
 	fprintf(f, " } }");
 	fclose(f);
 
diff --git a/src/modules/module-protocol-pulse/modules/module-remap-source.c b/src/modules/module-protocol-pulse/modules/module-remap-source.c
index 4f1e41e45..7d820c93d 100644
--- a/src/modules/module-protocol-pulse/modules/module-remap-source.c
+++ b/src/modules/module-protocol-pulse/modules/module-remap-source.c
@@ -62,27 +62,6 @@ static const struct pw_impl_module_events module_events = {
 	.destroy = module_destroy
 };
 
-static void serialize_dict(FILE *f, const struct spa_dict *dict)
-{
-	const struct spa_dict_item *it;
-	spa_dict_for_each(it, dict) {
-		size_t len = it->value ? strlen(it->value) : 0;
-		fprintf(f, " \"%s\" = ", it->key);
-		if (it->value == NULL) {
-			fprintf(f, "null");
-		} else if ( spa_json_is_null(it->value, len) ||
-		    spa_json_is_float(it->value, len) ||
-		    spa_json_is_object(it->value, len)) {
-			fprintf(f, "%s", it->value);
-		} else {
-			size_t size = (len+1) * 4;
-			char str[size];
-				spa_json_encode_string(str, size, it->value);
-			fprintf(f, "%s", str);
-		}
-	}
-}
-
 static int module_remap_source_load(struct client *client, struct module *module)
 {
 	struct module_remap_source_data *data = module->user_data;
@@ -95,11 +74,11 @@ static int module_remap_source_load(struct client *client, struct module *module
 
 	f = open_memstream(&args, &size);
 	fprintf(f, "{");
-	serialize_dict(f, &module->props->dict);
+	pw_properties_serialize_dict(f, &module->props->dict, 0);
 	fprintf(f, " capture.props = { ");
-	serialize_dict(f, &data->capture_props->dict);
+	pw_properties_serialize_dict(f, &data->capture_props->dict, 0);
 	fprintf(f, " } playback.props = { ");
-	serialize_dict(f, &data->playback_props->dict);
+	pw_properties_serialize_dict(f, &data->playback_props->dict, 0);
 	fprintf(f, " } }");
 	fclose(f);
 
diff --git a/src/modules/module-protocol-pulse/modules/module-tunnel-sink.c b/src/modules/module-protocol-pulse/modules/module-tunnel-sink.c
index 17c44e11e..910c0a82a 100644
--- a/src/modules/module-protocol-pulse/modules/module-tunnel-sink.c
+++ b/src/modules/module-protocol-pulse/modules/module-tunnel-sink.c
@@ -63,27 +63,6 @@ static const struct pw_impl_module_events module_events = {
 	.destroy = module_destroy
 };
 
-static void serialize_dict(FILE *f, const struct spa_dict *dict)
-{
-	const struct spa_dict_item *it;
-	spa_dict_for_each(it, dict) {
-		size_t len = it->value ? strlen(it->value) : 0;
-		fprintf(f, " \"%s\" = ", it->key);
-		if (it->value == NULL) {
-			fprintf(f, "null");
-		} else if ( spa_json_is_null(it->value, len) ||
-		    spa_json_is_float(it->value, len) ||
-		    spa_json_is_object(it->value, len)) {
-			fprintf(f, "%s", it->value);
-		} else {
-			size_t size = (len+1) * 4;
-			char str[size];
-				spa_json_encode_string(str, size, it->value);
-			fprintf(f, "%s", str);
-		}
-	}
-}
-
 static int module_tunnel_sink_load(struct client *client, struct module *module)
 {
 	struct module_tunnel_sink_data *data = module->user_data;
@@ -96,11 +75,11 @@ static int module_tunnel_sink_load(struct client *client, struct module *module)
 
 	f = open_memstream(&args, &size);
 	fprintf(f, "{");
-	serialize_dict(f, &module->props->dict);
+	pw_properties_serialize_dict(f, &module->props->dict, 0);
 	fprintf(f, " pulse.server.address = \"%s\" ", server);
 	fprintf(f, " tunnel.mode = playback ");
 	fprintf(f, " stream.props = {");
-	serialize_dict(f, &data->stream_props->dict);
+	pw_properties_serialize_dict(f, &data->stream_props->dict, 0);
 	fprintf(f, " } }");
 	fclose(f);
 
diff --git a/src/modules/module-protocol-pulse/modules/module-tunnel-source.c b/src/modules/module-protocol-pulse/modules/module-tunnel-source.c
index 1bf8f7d67..8eb5478ce 100644
--- a/src/modules/module-protocol-pulse/modules/module-tunnel-source.c
+++ b/src/modules/module-protocol-pulse/modules/module-tunnel-source.c
@@ -63,27 +63,6 @@ static const struct pw_impl_module_events module_events = {
 	.destroy = module_destroy
 };
 
-static void serialize_dict(FILE *f, const struct spa_dict *dict)
-{
-	const struct spa_dict_item *it;
-	spa_dict_for_each(it, dict) {
-		size_t len = it->value ? strlen(it->value) : 0;
-		fprintf(f, " \"%s\" = ", it->key);
-		if (it->value == NULL) {
-			fprintf(f, "null");
-		} else if ( spa_json_is_null(it->value, len) ||
-		    spa_json_is_float(it->value, len) ||
-		    spa_json_is_object(it->value, len)) {
-			fprintf(f, "%s", it->value);
-		} else {
-			size_t size = (len+1) * 4;
-			char str[size];
-				spa_json_encode_string(str, size, it->value);
-			fprintf(f, "%s", str);
-		}
-	}
-}
-
 static int module_tunnel_source_load(struct client *client, struct module *module)
 {
 	struct module_tunnel_source_data *data = module->user_data;
@@ -96,11 +75,11 @@ static int module_tunnel_source_load(struct client *client, struct module *modul
 
 	f = open_memstream(&args, &size);
 	fprintf(f, "{");
-	serialize_dict(f, &module->props->dict);
+	pw_properties_serialize_dict(f, &module->props->dict, 0);
 	fprintf(f, " pulse.server.address = \"%s\" ", server);
 	fprintf(f, " tunnel.mode = capture ");
 	fprintf(f, " stream.props = {");
-	serialize_dict(f, &data->stream_props->dict);
+	pw_properties_serialize_dict(f, &data->stream_props->dict, 0);
 	fprintf(f, " } }");
 	fclose(f);
 
diff --git a/src/pipewire/properties.c b/src/pipewire/properties.c
index 6fcee7beb..f9633c4cc 100644
--- a/src/pipewire/properties.c
+++ b/src/pipewire/properties.c
@@ -540,3 +540,29 @@ const char *pw_properties_iterate(const struct pw_properties *properties, void *
 
 	return pw_array_get_unchecked(&impl->items, index, struct spa_dict_item)->key;
 }
+
+SPA_EXPORT
+int pw_properties_serialize_dict(FILE *f, const struct spa_dict *dict, uint32_t flags)
+{
+	const struct spa_dict_item *it;
+	int count = 0;
+	spa_dict_for_each(it, dict) {
+		size_t len = it->value ? strlen(it->value) : 0;
+		fprintf(f, " \"%s\" = ", it->key);
+		if (it->value == NULL) {
+			fprintf(f, "null");
+		} else if (spa_json_is_null(it->value, len) ||
+		    spa_json_is_float(it->value, len) ||
+		    spa_json_is_bool(it->value, len) ||
+		    spa_json_is_container(it->value, len)) {
+			fprintf(f, "%s", it->value);
+		} else {
+			size_t size = (len+1) * 4;
+			char str[size];
+			spa_json_encode_string(str, size, it->value);
+			fprintf(f, "%s", str);
+		}
+		count++;
+	}
+	return count;
+}
diff --git a/src/pipewire/properties.h b/src/pipewire/properties.h
index 1784d0c0c..b2c42d902 100644
--- a/src/pipewire/properties.h
+++ b/src/pipewire/properties.h
@@ -94,6 +94,8 @@ pw_properties_get(const struct pw_properties *properties, const char *key);
 const char *
 pw_properties_iterate(const struct pw_properties *properties, void **state);
 
+int pw_properties_serialize_dict(FILE *f, const struct spa_dict *dict, uint32_t flags);
+
 static inline bool pw_properties_parse_bool(const char *value) {
 	return (strcmp(value, "true") == 0 || atoi(value) == 1);
 }
diff --git a/src/tools/pw-loopback.c b/src/tools/pw-loopback.c
index 6d218c46c..ff2bface1 100644
--- a/src/tools/pw-loopback.c
+++ b/src/tools/pw-loopback.c
@@ -80,29 +80,6 @@ static const struct pw_impl_module_events module_events = {
 };
 
 
-static void serialize_dict(FILE *f, const struct spa_dict *dict)
-{
-	const struct spa_dict_item *it;
-	fprintf(f, "{");
-        spa_dict_for_each(it, dict) {
-		size_t len = it->value ? strlen(it->value) : 0;
-		fprintf(f, " \"%s\" = ", it->key);
-		if (it->value == NULL) {
-			fprintf(f, "null");
-		} else if ( spa_json_is_null(it->value, len) ||
-		    spa_json_is_float(it->value, len) ||
-		    spa_json_is_object(it->value, len)) {
-			fprintf(f, "%s", it->value);
-		} else {
-			size_t size = (len+1) * 4;
-			char str[size];
-			spa_json_encode_string(str, size, it->value);
-			fprintf(f, "%s", str);
-		}
-	}
-	fprintf(f, " }");
-}
-
 static void show_help(struct data *data, const char *name)
 {
         fprintf(stdout, "%s [options]\n"
@@ -242,11 +219,11 @@ int main(int argc, char *argv[])
 		pw_properties_set(data.playback_props, PW_KEY_NODE_GROUP, data.opt_group_name);
 	}
 
-	fprintf(f, " capture.props = ");
-	serialize_dict(f, &data.capture_props->dict);
-	fprintf(f, " playback.props = ");
-	serialize_dict(f, &data.playback_props->dict);
-	fprintf(f, " }");
+	fprintf(f, " capture.props = {");
+	pw_properties_serialize_dict(f, &data.capture_props->dict, 0);
+	fprintf(f, " } playback.props = {");
+	pw_properties_serialize_dict(f, &data.playback_props->dict, 0);
+	fprintf(f, " } }");
 	fclose(f);
 
 	pw_log_info("loading module with %s", args);