diff --git a/src/modules/module-protocol-pulse/collect.c b/src/modules/module-protocol-pulse/collect.c
index 770e211f2..fa3e41d36 100644
--- a/src/modules/module-protocol-pulse/collect.c
+++ b/src/modules/module-protocol-pulse/collect.c
@@ -35,12 +35,10 @@
 
 void select_best(struct selector *s, struct pw_manager_object *o)
 {
-	const char *str;
 	int32_t prio = 0;
 
 	if (o->props &&
-	    (str = pw_properties_get(o->props, PW_KEY_PRIORITY_SESSION)) != NULL) {
-		prio = pw_properties_parse_int(str);
+	    pw_properties_fetch_int32(o->props, PW_KEY_PRIORITY_SESSION, &prio) == 0) {
 		if (s->best == NULL || prio > s->score) {
 			s->best = o;
 			s->score = prio;
@@ -75,19 +73,15 @@ struct pw_manager_object *select_object(struct pw_manager *m, struct selector *s
 bool collect_is_linked(struct pw_manager *m, uint32_t obj_id, enum pw_direction direction)
 {
 	struct pw_manager_object *o;
-	const char *str;
 	uint32_t in_node, out_node;
 
 	spa_list_for_each(o, &m->object_list, link) {
 		if (o->props == NULL || !pw_manager_object_is_link(o))
 			continue;
 
-		if ((str = pw_properties_get(o->props, PW_KEY_LINK_OUTPUT_NODE)) == NULL)
+		if (pw_properties_fetch_uint32(o->props, PW_KEY_LINK_OUTPUT_NODE, &out_node) != 0 ||
+                    pw_properties_fetch_uint32(o->props, PW_KEY_LINK_INPUT_NODE, &in_node) != 0)
                         continue;
-		out_node = pw_properties_parse_int(str);
-                if ((str = pw_properties_get(o->props, PW_KEY_LINK_INPUT_NODE)) == NULL)
-                        continue;
-		in_node = pw_properties_parse_int(str);
 
 		if ((direction == PW_DIRECTION_OUTPUT && obj_id == out_node) ||
 		    (direction == PW_DIRECTION_INPUT && obj_id == in_node))
@@ -99,19 +93,15 @@ bool collect_is_linked(struct pw_manager *m, uint32_t obj_id, enum pw_direction
 struct pw_manager_object *find_linked(struct pw_manager *m, uint32_t obj_id, enum pw_direction direction)
 {
 	struct pw_manager_object *o, *p;
-	const char *str;
 	uint32_t in_node, out_node;
 
 	spa_list_for_each(o, &m->object_list, link) {
 		if (o->props == NULL || !pw_manager_object_is_link(o))
 			continue;
 
-		if ((str = pw_properties_get(o->props, PW_KEY_LINK_OUTPUT_NODE)) == NULL)
+		if (pw_properties_fetch_uint32(o->props, PW_KEY_LINK_OUTPUT_NODE, &out_node) != 0 ||
+                    pw_properties_fetch_uint32(o->props, PW_KEY_LINK_INPUT_NODE, &in_node) != 0)
                         continue;
-		out_node = pw_properties_parse_int(str);
-                if ((str = pw_properties_get(o->props, PW_KEY_LINK_INPUT_NODE)) == NULL)
-                        continue;
-		in_node = pw_properties_parse_int(str);
 
 		if (direction == PW_DIRECTION_OUTPUT && obj_id == out_node) {
 			struct selector sel = { .id = in_node, .type = pw_manager_object_is_sink, };
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 d60663034..050255c39 100644
--- a/src/modules/module-protocol-pulse/modules/module-tunnel-sink.c
+++ b/src/modules/module-protocol-pulse/modules/module-tunnel-sink.c
@@ -225,8 +225,7 @@ struct module *create_module_tunnel_sink(struct impl *impl, const char *argument
 	d->module = module;
 	d->stream_props = stream_props;
 
-	if ((str = pw_properties_get(props, "latency_msec")) != NULL)
-		spa_atou32(str, &d->latency_msec, 0);
+	pw_properties_fetch_uint32(props, "latency_msec", &d->latency_msec);
 
 	return module;
 out:
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 6efa226eb..f4944593b 100644
--- a/src/modules/module-protocol-pulse/modules/module-tunnel-source.c
+++ b/src/modules/module-protocol-pulse/modules/module-tunnel-source.c
@@ -215,8 +215,7 @@ struct module *create_module_tunnel_source(struct impl *impl, const char *argume
 	d->module = module;
 	d->stream_props = stream_props;
 
-	if ((str = pw_properties_get(props, "latency_msec")) != NULL)
-		spa_atou32(str, &d->latency_msec, 0);
+	pw_properties_fetch_uint32(props, "latency_msec", &d->latency_msec);
 
 	return module;
 out:
diff --git a/src/modules/module-protocol-pulse/modules/module-zeroconf-publish.c b/src/modules/module-protocol-pulse/modules/module-zeroconf-publish.c
index 3c0a01c07..076f1aed2 100644
--- a/src/modules/module-protocol-pulse/modules/module-zeroconf-publish.c
+++ b/src/modules/module-protocol-pulse/modules/module-zeroconf-publish.c
@@ -638,7 +638,6 @@ struct module *create_module_zeroconf_publish(struct impl *impl, const char *arg
 	struct module *module;
 	struct module_zeroconf_publish_data *d;
 	struct pw_properties *props = NULL;
-	const char *port;
 	int res;
 
 	PW_LOG_TOPIC_INIT(mod_topic);
@@ -661,11 +660,7 @@ struct module *create_module_zeroconf_publish(struct impl *impl, const char *arg
 	d = module->user_data;
 	d->module = module;
 
-	if ((port = pw_properties_get(props, "port")) == NULL)
-		d->port = PW_PROTOCOL_PULSE_DEFAULT_PORT;
-	else
-		d->port = atoi(port);
-
+	d->port = pw_properties_get_uint32(props, "port", PW_PROTOCOL_PULSE_DEFAULT_PORT);
 
 	return module;
 out:
diff --git a/src/modules/module-protocol-simple.c b/src/modules/module-protocol-simple.c
index 6bb3bcca9..f545671c0 100644
--- a/src/modules/module-protocol-simple.c
+++ b/src/modules/module-protocol-simple.c
@@ -62,7 +62,7 @@ PW_LOG_TOPIC_STATIC(mod_topic, "mod." NAME);
 
 #define DEFAULT_FORMAT "S16"
 #define DEFAULT_RATE "44100"
-#define DEFAULT_CHANNELS "2"
+#define DEFAULT_CHANNELS 2
 #define DEFAULT_POSITION "[ FL FR ]"
 #define DEFAULT_LATENCY "1024/48000"
 
@@ -74,7 +74,7 @@ PW_LOG_TOPIC_STATIC(mod_topic, "mod." NAME);
 			"[ playback.node=<sink-target> ] "				\
 			"[ audio.rate=<sample-rate, default:"DEFAULT_RATE"> ] "		\
 			"[ audio.format=<format, default:"DEFAULT_FORMAT"> ] "		\
-			"[ audio.channels=<channels, default:"DEFAULT_CHANNELS"> ] "	\
+			"[ audio.channels=<channels, default: 2> ] "	\
 			"[ audio.position=<position, default:"DEFAULT_POSITION"> ] "	\
 			"[ server.address=<[ tcp:[<ip>:]<port>[,...] ], default:"DEFAULT_SERVER">"	\
 
@@ -722,10 +722,8 @@ static int parse_params(struct impl *impl)
 	struct spa_json it[2];
 	char value[512];
 
-	if ((str = pw_properties_get(impl->props, "capture")) != NULL)
-		impl->capture = pw_properties_parse_bool(str);
-	if ((str = pw_properties_get(impl->props, "playback")) != NULL)
-		impl->playback = pw_properties_parse_bool(str);
+	pw_properties_get_bool(impl->props, "capture", &impl->capture);
+	pw_properties_get_bool(impl->props, "playback", &impl->playback);
 	if (!impl->playback && !impl->capture) {
 		pw_log_error("missing capture or playback param");
 		return -EINVAL;
@@ -745,9 +743,7 @@ static int parse_params(struct impl *impl)
 		pw_log_error("invalid rate '%s'", str);
 		return -EINVAL;
 	}
-	if ((str = pw_properties_get(impl->props, "audio.channels")) == NULL)
-		str = DEFAULT_CHANNELS;
-	impl->info.channels = atoi(str);
+	impl->info.channels = pw_properties_get_uint32(impl->props, "audio.channels", DEFAULT_CHANNELS);
 	if (impl->info.channels == 0) {
 		pw_log_error("invalid channels '%s'", str);
 		return -EINVAL;
diff --git a/src/modules/module-pulse-tunnel.c b/src/modules/module-pulse-tunnel.c
index b102fc698..ad165dfab 100644
--- a/src/modules/module-pulse-tunnel.c
+++ b/src/modules/module-pulse-tunnel.c
@@ -727,10 +727,8 @@ static void parse_audio_info(struct pw_properties *props, struct spa_audio_info_
 			info->format = id;
 	}
 
-	if ((str = pw_properties_get(props, PW_KEY_AUDIO_RATE)) != NULL)
-		info->rate = atoi(str);
-	if ((str = pw_properties_get(props, PW_KEY_AUDIO_CHANNELS)) != NULL)
-		info->channels = atoi(str);
+	info->rate = pw_properties_get_uint32(props, PW_KEY_AUDIO_RATE, info->rate);
+	info->channels = pw_properties_get_uint32(props, PW_KEY_AUDIO_CHANNELS, info->channels);
 	if ((str = pw_properties_get(props, SPA_KEY_AUDIO_POSITION)) != NULL)
 		parse_position(info, str, strlen(str));
 }
@@ -803,9 +801,7 @@ int pipewire__module_init(struct pw_impl_module *module, const char *args)
 		}
 	}
 
-	impl->latency_msec = DEFAULT_LATENCY_MSEC;
-	if ((str = pw_properties_get(props, "pulse.latency")) != NULL)
-		spa_atou32(str, &impl->latency_msec, 0);
+	impl->latency_msec = pw_properties_get_uint32(props, "pulse.latency", DEFAULT_LATENCY_MSEC);
 
 	if (pw_properties_get(props, PW_KEY_NODE_GROUP) == NULL)
 		pw_properties_set(props, PW_KEY_NODE_GROUP, "pipewire.dummy");