diff --git a/assets/js/api.js b/assets/js/api.js
index 45859733f..cd7fbd4d9 100644
--- a/assets/js/api.js
+++ b/assets/js/api.js
@@ -5,11 +5,27 @@ const { protocol, hostname, port, pathname } = window.location;
 
 const base = protocol + "//" + hostname + (port ? ":" + port : "") + pathname;
 
+// override the way axios serializes arrays in query parameters (a=1&a=2&a=3 instead of a[]=1&a[]=2&a[]=3)
+function customParamsSerializer(params) {
+  const queryString = Object.keys(params)
+    .filter((key) => params[key] !== null)
+    .map((key) => {
+      const value = params[key];
+      if (Array.isArray(value)) {
+        return value.map((v) => `${encodeURIComponent(key)}=${encodeURIComponent(v)}`).join("&");
+      }
+      return `${encodeURIComponent(key)}=${encodeURIComponent(value)}`;
+    })
+    .join("&");
+  return queryString;
+}
+
 const api = axios.create({
   baseURL: base + "api/",
   headers: {
     Accept: "application/json",
   },
+  paramsSerializer: customParamsSerializer,
 });
 
 // global error handling
diff --git a/assets/js/components/MultiSelect.vue b/assets/js/components/MultiSelect.vue
new file mode 100644
index 000000000..e7a312427
--- /dev/null
+++ b/assets/js/components/MultiSelect.vue
@@ -0,0 +1,126 @@
+<template>
+	<div>
+		<button
+			class="form-select text-start text-nowrap"
+			type="button"
+			:id="id"
+			data-bs-toggle="dropdown"
+			aria-expanded="false"
+			data-bs-auto-close="outside"
+		>
+			<slot></slot>
+		</button>
+		<ul class="dropdown-menu dropdown-menu-end" ref="dropdown" :aria-labelledby="id">
+			<template v-if="selectAllLabel">
+				<li class="dropdown-item p-0">
+					<label class="form-check px-3 py-2">
+						<input
+							class="form-check-input ms-0 me-2"
+							type="checkbox"
+							value="all"
+							@change="toggleCheckAll()"
+							:checked="allOptionsSelected"
+						/>
+						<div class="form-check-label">{{ selectAllLabel }}</div>
+					</label>
+				</li>
+				<li><hr class="dropdown-divider" /></li>
+			</template>
+			<li v-for="option in options" :key="option.value" class="dropdown-item p-0">
+				<label class="form-check px-3 py-2" :for="option.value">
+					<input
+						class="form-check-input ms-0 me-2"
+						type="checkbox"
+						:id="option.value"
+						:value="option.value"
+						v-model="internalValue"
+					/>
+					<div class="form-check-label">
+						{{ option.name }}
+					</div>
+				</label>
+			</li>
+		</ul>
+	</div>
+</template>
+
+<script>
+import Dropdown from "bootstrap/js/dist/dropdown";
+
+export default {
+	name: "MultiSelect",
+	props: {
+		id: String,
+		value: { type: Array, default: () => [] },
+		options: { type: Array, default: () => [] },
+		selectAllLabel: String,
+	},
+	emits: ["open", "update:modelValue"],
+	data() {
+		return {
+			internalValue: [...this.value],
+		};
+	},
+	mounted() {
+		this.$refs.dropdown.addEventListener("show.bs.dropdown", this.open);
+	},
+	unmounted() {
+		this.$refs.dropdown?.removeEventListener("show.bs.dropdown", this.open);
+	},
+	computed: {
+		allOptionsSelected() {
+			return this.internalValue.length === this.options.length;
+		},
+		noneSelected() {
+			return this.internalValue.length === 0;
+		},
+	},
+	watch: {
+		options: {
+			immediate: true,
+			handler(newOptions) {
+				// If value is empty, set internalValue to include all options
+				if (this.value.length === 0) {
+					this.internalValue = newOptions.map((option) => option.value);
+				} else {
+					// Otherwise, keep selected options that still exist in the new options
+					this.internalValue = this.internalValue.filter((value) =>
+						newOptions.some((option) => option.value === value)
+					);
+				}
+				this.$nextTick(() => {
+					Dropdown.getOrCreateInstance(this.$refs.dropdown).update();
+				});
+			},
+		},
+		value: {
+			immediate: true,
+			handler(newValue) {
+				this.internalValue =
+					newValue.length === 0 && this.options.length > 0
+						? this.options.map((o) => o.value)
+						: [...newValue];
+			},
+		},
+		internalValue(newValue) {
+			if (this.allOptionsSelected || this.noneSelected) {
+				this.$emit("update:modelValue", []);
+			} else {
+				this.$emit("update:modelValue", newValue);
+			}
+		},
+	},
+	methods: {
+		open() {
+			this.$emit("open");
+		},
+		toggleCheckAll() {
+			if (this.allOptionsSelected) {
+				this.internalValue = [];
+			} else {
+				this.internalValue = this.options.map((option) => option.value);
+			}
+		},
+	},
+};
+</script>
diff --git a/assets/js/router.js b/assets/js/router.js
index b0b993f66..2bdaaab6e 100644
--- a/assets/js/router.js
+++ b/assets/js/router.js
@@ -56,6 +56,13 @@ export default function setupRouter(i18n) {
         path: "/log",
         component: () => import("./views/Log.vue"),
         beforeEnter: ensureAuth,
+        props: (route) => {
+          const { areas, level } = route.query;
+          return {
+            areas: areas ? areas.split(",") : undefined,
+            level,
+          };
+        },
       },
     ],
   });
diff --git a/assets/js/views/Log.vue b/assets/js/views/Log.vue
index a22632570..5e7a911a8 100644
--- a/assets/js/views/Log.vue
+++ b/assets/js/views/Log.vue
@@ -47,29 +47,26 @@
 					<div class="filterLevel col-6 col-lg-2">
 						<select
 							class="form-select"
-							v-model="level"
 							:aria-label="$t('log.levelLabel')"
-							@change="updateLogs()"
+							:value="level"
+							@input="changeLevel"
 						>
-							<option v-for="level in levels" :key="level" :value="level">
-								{{ level }}
+							<option v-for="l in levels" :key="l" :value="l">
+								{{ l.toUpperCase() }}
 							</option>
 						</select>
 					</div>
 					<div class="filterAreas col-6 col-lg-2">
-						<select
-							class="form-select"
-							v-model="area"
-							:aria-label="$t('log.areaLabel')"
-							@focus="updateAreas()"
-							@change="updateLogs()"
+						<MultiSelect
+							id="logAreasSelect"
+							:modelValue="areas"
+							:options="areaOptions"
+							:selectAllLabel="$t('log.selectAll')"
+							@update:modelValue="changeAreas"
+							@open="updateAreas()"
 						>
-							<option value="">{{ $t("log.areas") }}</option>
-							<hr />
-							<option v-for="area in areas" :key="area" :value="area">
-								{{ area }}
-							</option>
-						</select>
+							{{ areasLabel }}
+						</MultiSelect>
 					</div>
 				</div>
 				<hr class="my-0" />
@@ -112,14 +109,15 @@ import "@h2d2/shopicons/es/regular/download";
 import TopHeader from "../components/TopHeader.vue";
 import Play from "../components/MaterialIcon/Play.vue";
 import Record from "../components/MaterialIcon/Record.vue";
+import MultiSelect from "../components/MultiSelect.vue";
 import api from "../api";
 import store from "../store";
 
-const LEVELS = ["FATAL", "ERROR", "WARN", "INFO", "DEBUG", "TRACE"];
-const DEFAULT_LEVEL = "DEBUG";
+const LEVELS = ["fatal", "error", "warn", "info", "debug", "trace"];
+const DEFAULT_LEVEL = "debug";
 const DEFAULT_COUNT = 1000;
 
-const levelMatcher = new RegExp(`\\[.*?\\] (${LEVELS.join("|")})`);
+const levelMatcher = new RegExp(`\\[.*?\\] (${LEVELS.map((l) => l.toUpperCase()).join("|")})`);
 
 export default {
 	name: "Log",
@@ -127,14 +125,17 @@ export default {
 		TopHeader,
 		Play,
 		Record,
+		MultiSelect,
+	},
+	props: {
+		areas: { type: Array, default: () => [] },
+		level: { type: String, default: DEFAULT_LEVEL },
 	},
 	data() {
 		return {
 			lines: [],
-			areas: [],
+			availableAreas: [],
 			search: "",
-			level: DEFAULT_LEVEL,
-			area: "",
 			timeout: null,
 			levels: LEVELS,
 			busy: false,
@@ -168,6 +169,18 @@ export default {
 				return { key, className, line };
 			});
 		},
+		areaOptions() {
+			return this.availableAreas.map((area) => ({ name: area, value: area }));
+		},
+		areasLabel() {
+			if (this.areas.length === 0) {
+				return this.$t("log.areas");
+			} else if (this.areas.length === 1) {
+				return this.areas[0];
+			} else {
+				return this.$t("log.nAreas", { count: this.areas.length });
+			}
+		},
 		showMoreButton() {
 			return this.lines.length === DEFAULT_COUNT;
 		},
@@ -179,9 +192,9 @@ export default {
 			if (this.level) {
 				params.append("level", this.level);
 			}
-			if (this.area) {
-				params.append("area", this.area);
-			}
+			this.areas.forEach((area) => {
+				params.append("area", area);
+			});
 			params.append("format", "txt");
 			return `./api/system/log?${params.toString()}`;
 		},
@@ -189,6 +202,14 @@ export default {
 			return this.timeout !== null;
 		},
 	},
+	watch: {
+		selectedAreas() {
+			this.updateLogs();
+		},
+		level() {
+			this.updateLogs();
+		},
+	},
 	methods: {
 		async updateLogs(showAll) {
 			// prevent concurrent requests
@@ -198,8 +219,8 @@ export default {
 				this.busy = true;
 				const response = await api.get("/system/log", {
 					params: {
-						level: this.level?.toLocaleLowerCase() || null,
-						area: this.area || null,
+						level: this.level || null,
+						area: this.areas.length ? this.areas : null,
 						count: showAll ? null : DEFAULT_COUNT,
 					},
 				});
@@ -232,7 +253,7 @@ export default {
 		async updateAreas() {
 			try {
 				const response = await api.get("/system/log/areas");
-				this.areas = response.data?.result || [];
+				this.availableAreas = response.data?.result || [];
 			} catch (e) {
 				console.error(e);
 			}
@@ -260,6 +281,22 @@ export default {
 				this.startInterval();
 			}
 		},
+		updateQuery({ level, areas }) {
+			let newLevel = level || this.level;
+			let newAreas = areas || this.areas;
+			// reset to default level
+			if (newLevel === DEFAULT_LEVEL) newLevel = undefined;
+			newAreas = newAreas.length ? newAreas.join(",") : undefined;
+			this.$router.push({
+				query: { level: newLevel, areas: newAreas },
+			});
+		},
+		changeLevel(event) {
+			this.updateQuery({ level: event.target.value });
+		},
+		changeAreas(areas) {
+			this.updateQuery({ areas });
+		},
 	},
 };
 </script>
diff --git a/i18n/de.toml b/i18n/de.toml
index 3af110a2b..62b187c7b 100644
--- a/i18n/de.toml
+++ b/i18n/de.toml
@@ -348,8 +348,10 @@ areaLabel = "Nach Bereich filtern"
 areas = "Alle Bereiche"
 download = "Komplettes Log herunterladen"
 levelLabel = "Nach Log-Level filtern"
+nAreas = "{count} Bereiche"
 noResults = "Keine passenden Einträge gefunden."
 search = "Suchen"
+selectAll = "alle wählen"
 showAll = "Alle Einträge anzeigen"
 title = "Logs"
 update = "Aktualisieren"
diff --git a/i18n/en.toml b/i18n/en.toml
index 655bbf33f..5ca4eb109 100644
--- a/i18n/en.toml
+++ b/i18n/en.toml
@@ -350,8 +350,10 @@ areaLabel = "Filter by area"
 areas = "All areas"
 download = "Download complete log"
 levelLabel = "Filter by log level"
+nAreas = "{count} areas"
 noResults = "No matching log entries."
 search = "Search"
+selectAll = "select all"
 showAll = "Show all entries"
 title = "Logs"
 update = "Auto update"