diff --git a/keybinding.c b/keybinding.c
index b82176a..6fba4d0 100644
--- a/keybinding.c
+++ b/keybinding.c
@@ -225,7 +225,7 @@ swap_tile(struct cg_tile *tile,
 	seat_set_focus(server->seat, swap_tile->view);
 	ipc_send_event(
 	    tile->workspace->output->server,
-	    "swap_tile(tile_id:%d,swap_tile_id:%d,workspace:%d,output:%s)",
+	    "{\"event_name\":\"swap_tile\",\"tile_id\":\"%d\",\"swap_tile_id\":\"%d\",\"workspace\":\"%d\",\"output\":\"%s\"}",
 	    tile->id, swap_tile->id, tile->workspace->num + 1,
 	    tile->workspace->output->wlr_output->name);
 }
@@ -372,8 +372,7 @@ resize(struct cg_tile *tile, const struct cg_tile *parent, int coord_offset,
 		view_maximize(tile->view, tile);
 	}
 	ipc_send_event(tile->workspace->output->server,
-	               "resize_tile(tile_id:%d,old_dims:[%d;%d;%d;%d],new_dims:[%d;"
-	               "%d;%d;%d],workspace:%d,output:%s)",
+	               "{\"event_name\":\"resize_tile\",\"tile_id\":\"%d\",\"old_dims\":\"[%d;%d;%d;%d]\",\"new_dims\":\"[%d;%d;%d;%d]\",\"workspace\":\"%d\",\"output\":\"%s\"}",
 	               tile->id, old_x, old_y, old_height, old_width, tile->tile.x,
 	               tile->tile.y, tile->tile.height, tile->tile.width,
 	               tile->workspace->num + 1,
@@ -499,7 +498,7 @@ keybinding_workspace_fullscreen(struct cg_server *server) {
 
 	seat_set_focus(server->seat, current_view);
 	ipc_send_event(output->server,
-	               "fullscreen(tile_id:%d,workspace:%d,output:%s)",
+	               "{\"event_name\":\"fullscreen\",\"tile_id\":\"%d\",\"workspace\":\"%d\",\"output\":\"%s\"}",
 	               output->workspaces[output->curr_workspace]->focused_tile->id,
 	               output->workspaces[output->curr_workspace]->num + 1,
 	               output->wlr_output->name);
@@ -593,7 +592,7 @@ keybinding_split_output(struct cg_output *output, bool vertical) {
 	}
 	ipc_send_event(
 	    output->server,
-	    "split(tile_id:%d,new_tile_id:%d,workspace:%d,output:%s,vertical:%d)",
+	    "{\"event_name\":\"split\",\"tile_id\":\"%d\",\"new_tile_id\":\"%d\",\"workspace\":\"%d\",\"output\":\"%s\",\"vertical\":\"%d\"}",
 	    curr_workspace->focused_tile->id, new_tile->id, curr_workspace->num + 1,
 	    curr_workspace->output->wlr_output->name, vertical);
 }
@@ -609,7 +608,7 @@ keybinding_close_view(struct cg_view *view) {
 	uint32_t ws = view->workspace->num;
 	view->impl->close(view);
 	ipc_send_event(outp->server,
-	               "close(view_id:%d,tile_id:%d,workspace:%d,output:%s)",
+	               "{\"event_name\":\"close\",\"view_id\":\"%d\",\"tile_id\":\"%d\",\"workspace\":\"%d\",\"output\":\"%s\"}",
 	               view_id, tile_id, ws + 1, outp->wlr_output->name);
 }
 
@@ -659,7 +658,7 @@ keybinding_cycle_outputs(struct cg_server *server, bool reverse) {
 	}
 	set_output(server, output);
 	ipc_send_event(
-	    output->server, "cycle_outputs(old_output:%s,new_output:%s,reverse:%d)",
+	    output->server, "{\"event_name\":\"cycle_outputs\",\"old_output\":\"%s\",\"new_output\":\"%s\",\"reverse\":\"%d\"}",
 	    old_output->wlr_output->name, output->wlr_output->name, reverse);
 }
 
@@ -703,8 +702,7 @@ keybinding_cycle_views(struct cg_server *server, bool reverse) {
 	    next_view->link.prev, curr_workspace->focused_tile->view, link);
 	seat_set_focus(server->seat, next_view);
 	ipc_send_event(curr_workspace->output->server,
-	               "cycle_views(old_view_id:%d,new_view_id:%d,tile_id:%d,"
-	               "workspace:%d,output:%s)",
+	               "{\"event_name\":\"cycle_views\",\"old_view_id\":\"%d\",\"new_view_id\":\"%d\",\"tile_id\":\"%d\",\"workspace\":\"%d\",\"output\":\"%s\"}",
 	               current_view->id, next_view->id, next_view->tile->id,
 	               curr_workspace->num + 1,
 	               curr_workspace->output->wlr_output->name);
@@ -725,7 +723,7 @@ keybinding_cycle_tiles(struct cg_server *server, bool reverse) {
 	seat_set_focus(server->seat, next_view);
 	ipc_send_event(
 	    output->server,
-	    "cycle_tiles(old_tile_id:%d,new_tile_id:%d,workspace:%d,output:%s)",
+	    "{\"event_name\":\"cycle_tiles\",\"old_tile_id\":\"%d\",\"new_tile_id\":\"%d\",\"workspace\":\"%d\",\"output\":\"%s\"}",
 	    old_tile->id, workspace->focused_tile->id, workspace->num + 1,
 	    output->wlr_output->name);
 }
@@ -745,7 +743,7 @@ keybinding_switch_ws(struct cg_server *server, uint32_t ws) {
 	               server->curr_output->workspaces[ws]->focused_tile->view);
 	message_printf(server->curr_output, "Workspace %d", ws + 1);
 	ipc_send_event(output->server,
-	               "switch_ws(old_workspace:%d,new_workspace:%d,output:%s)",
+	               "{\"event_name\":\"switch_ws\",\"old_workspace\":\"%d\",\"new_workspace\":\"%d\",\"output\":\"%s\"}",
 	               old_ws + 1, ws + 1, output->wlr_output->name);
 	return 0;
 }
@@ -1084,7 +1082,7 @@ keybinding_move_view_to_cycle_output(struct cg_server *server, bool reverse) {
 	}
 	ipc_send_event(
 	    server,
-	    "move_view_cycle_output(view_id:%d,old_output:%s,new_output:%s)",
+	    "{\"event_name\":\"move_view_cycle_output\",\"view_id\":\"%d\",\"old_output\":\"%s\",\"new_output\":\"%s\"}",
 	    view->id, old_outp->wlr_output->name,
 	    server->curr_output->wlr_output->name);
 }
@@ -1140,7 +1138,7 @@ keybinding_set_nws(struct cg_server *server, int nws) {
 	    server->seat,
 	    server->curr_output->workspaces[server->curr_output->curr_workspace]
 	        ->focused_tile->view);
-	ipc_send_event(server, "set_nws(old_nws:%d,new_nws:%d)", old_nws,
+	ipc_send_event(server, "{\"event_name\":\"set_nws\",\"old_nws\":\"%d\",\"new_nws\":\"%d\"}", old_nws,
 	               server->nws);
 }
 
@@ -1158,19 +1156,19 @@ keybinding_definemode(struct cg_server *server, char *mode) {
 	server->modes[length] = NULL;
 
 	server->modes[length - 1] = strdup(mode);
-	ipc_send_event(server, "definemode(mode:%s)", mode);
+	ipc_send_event(server, "{\"event_name\":\"definemode\",\"mode\":\"%s\"}", mode);
 }
 
 void
 keybinding_definekey(struct cg_server *server, struct keybinding *kb) {
 	keybinding_list_push(server->keybindings, kb);
-	ipc_send_event(server, "definekey(modifiers:%d,key:%d,command:%d)",
+	ipc_send_event(server, "{\"event_name\":\"definekey\",\"modifiers\":\"%d\",\"key\":\"%d\",\"command\":\"%d\"}",
 	               kb->modifiers, kb->key, kb->action);
 }
 
 void
 keybinding_set_background(struct cg_server *server, float *bg) {
-	ipc_send_event(server, "background(old_bg:[%f,%f,%f],new_bg:[%f,%f,%f])",
+	ipc_send_event(server, "{\"event_name\":\"background\",\"old_bg\":\"[%f,%f,%f]\",\"new_bg\":\"[%f,%f,%f]\"}",
 	               server->bg_color[0], server->bg_color[1],
 	               server->bg_color[2], bg[0], bg[1], bg[2]);
 	server->bg_color[0] = bg[0];
@@ -1193,7 +1191,7 @@ keybinding_switch_output(struct cg_server *server, int output) {
 	wl_list_for_each(it, &server->outputs, link) {
 		if(count == output) {
 			set_output(server, it);
-			ipc_send_event(server, "switch_output(old_output:%s,new_output:%s)",
+			ipc_send_event(server, "{\"event_name\":\"switch_output\",\"old_output\":\"%s\",\"new_output\":\"%s\"}",
 			               old_outp->wlr_output->name, it->wlr_output->name);
 			return;
 		}
@@ -1238,8 +1236,7 @@ keybinding_move_view_to_output(struct cg_server *server, int output_num) {
 		view_id = view->id;
 	}
 	ipc_send_event(server,
-	               "move_view_to_output(view_id:%d,old_output:%s,new_output:%s,"
-	               "view_title:%s)",
+	               "{\"event_name\":\"move_view_to_output\",\"view_id\":\"%d\",\"old_output\":\"%s\",\"new_output\":\"%s\",\"view_title\":\"%s\"}",
 	               view_id, old_outp->wlr_output->name,
 	               server->curr_output->wlr_output->name, view_title);
 }
@@ -1273,11 +1270,10 @@ keybinding_move_view_to_workspace(struct cg_server *server, uint32_t ws) {
 		seat_set_focus(server->seat, view);
 	}
 	ipc_send_event(server,
-	               "move_view_to_ws(view_id:%d,old_workspace:%d,new_workspace:%"
-	               "d,output:%s,view_title:%s)",
-	               view->id, old_ws, ws,
-	               view->workspace->output->wlr_output->name,
-	               view->impl->get_title(view));
+	               "{\"event_name\":\"move_view_to_ws\",\"view_id\":\"%d\",\"old_workspace\":\"%d\",\"new_workspace\":\"%d\",\"output\":\"%s\",\"view_title\":\"%s\"}",
+	               view==NULL?-1:(int)view->id, old_ws, ws,
+	               server->curr_output->wlr_output->name,
+	               view==NULL?"":view->impl->get_title(view));
 }
 
 void
@@ -1326,7 +1322,7 @@ keybinding_configure_output(struct cg_server *server,
 	wl_list_for_each_safe(output, tmp_output, &server->outputs, link) {
 		if(strcmp(config->output_name, output->wlr_output->name) == 0) {
 			output_configure(server, output);
-			ipc_send_event(output->server, "configure_output(output:%s)",
+			ipc_send_event(output->server, "{\"event_name\":\"configure_output\",\"output\":\"%s\"}",
 			               cfg->output_name);
 			return;
 		}
@@ -1334,7 +1330,7 @@ keybinding_configure_output(struct cg_server *server,
 	wl_list_for_each_safe(output, tmp_output, &server->disabled_outputs, link) {
 		if(strcmp(config->output_name, output->wlr_output->name) == 0) {
 			output_configure(server, output);
-			ipc_send_event(output->server, "configure_output(output:%s)",
+			ipc_send_event(output->server, "{\"event_name\":\"configure_output\",\"output\":\"%s\"}",
 			               cfg->output_name);
 			return;
 		}
@@ -1345,7 +1341,7 @@ void
 keybinding_configure_input(struct cg_server *server,
                            struct cg_input_config *cfg) {
 	cg_input_apply_config(cfg, server);
-	ipc_send_event(server, "configure_input(input:%s)", cfg->identifier);
+	ipc_send_event(server, "{\"event_name\":\"configure_input\",\"input\":\"%s\"}", cfg->identifier);
 }
 
 void
@@ -1370,7 +1366,7 @@ keybinding_configure_message(struct cg_server *server,
 		server->message_config.fg_color[2] = config->fg_color[2];
 		server->message_config.fg_color[3] = config->fg_color[3];
 	}
-	ipc_send_event(server, "configure_message()");
+	ipc_send_event(server, "{\"event_name\":\"configure_message\"}");
 }
 
 void
@@ -1428,7 +1424,7 @@ run_action(enum keybinding_action action, struct cg_server *server,
 		server->seat->mode = data.u;
 		break;
 	case KEYBINDING_SWITCH_DEFAULT_MODE:
-		ipc_send_event(server, "switch_default_mode(old_mode:%d,mode:%d)",
+		ipc_send_event(server, "{\"event_name\":\"switch_default_mode\",\"old_mode\":\"%d\",\"mode\":\"%d\"}",
 		               server->seat->default_mode, data.u);
 		server->seat->mode = data.u;
 		server->seat->default_mode = data.u;
diff --git a/output.c b/output.c
index 4e78844..66b644f 100644
--- a/output.c
+++ b/output.c
@@ -141,7 +141,7 @@ output_destroy(struct cg_output *output) {
 	free(output);
 
 	if(outp_name != NULL) {
-		ipc_send_event(server, "new_output(output:%s)", outp_name);
+		ipc_send_event(server, "{\"event_name\":\"new_output\",\"output\":\"%s\"}", outp_name);
 		free(outp_name);
 	} else {
 		wlr_log(WLR_ERROR,
@@ -433,7 +433,7 @@ handle_new_output(struct wl_listener *listener, void *data) {
 	wl_signal_add(&wlr_output->events.commit, &output->commit);
 	output->mode.notify = handle_output_mode;
 	wl_signal_add(&wlr_output->events.mode, &output->mode);
-	ipc_send_event(server, "new_output(output:%s,priority:%d)",
+	ipc_send_event(server, "{\"event_name\":\"new_output\",\"output\":\"%s\",\"priority\":\"%d\"}",
 	               output->wlr_output->name, output->priority);
 }
 #if CG_HAS_FANALYZE
diff --git a/view.c b/view.c
index e8f63e7..d9bb611 100644
--- a/view.c
+++ b/view.c
@@ -161,8 +161,7 @@ view_unmap(struct cg_view *view) {
 
 	view->wlr_surface = NULL;
 	ipc_send_event(view->workspace->server,
-	               "view_unmap(view_id:%d,tile_id:%d,workspace:%d,output:%s,"
-	               "view_title:%s)",
+	               "{\"event_name\":\"view_unmap\",\"view_id\":\"%d\",\"tile_id\":\"%d\",\"workspace\":\"%d\",\"output\":\"%s\",\"view_title\":\"%s\"}",
 	               id, tile_id, ws + 1, output_name, title);
 }
 
@@ -204,7 +203,7 @@ view_map(struct cg_view *view, struct wlr_surface *surface,
 	}
 	ipc_send_event(
 	    output->server,
-	    "view_map(view_id:%d,tile_id:%d,workspace:%d,output:%s,view_title:%s)",
+	    "{\"event_name\":\"view_map\",\"view_id\":\"%d\",\"tile_id\":\"%d\",\"workspace\":\"%d\",\"output\":\"%s\",\"view_title\":\"%s\"}",
 	    view->id, tile_id, view->workspace->num + 1,
 	    view->workspace->output->wlr_output->name, view->impl->get_title(view));
 }