diff --git a/frontend/src/component/photo/edit/face-editor.vue b/frontend/src/component/photo/edit/face-editor.vue
new file mode 100644
index 000000000..46545dffd
--- /dev/null
+++ b/frontend/src/component/photo/edit/face-editor.vue
@@ -0,0 +1,543 @@
+<template>
+  <div class="photo-face-editor">
+    <div v-if="primaryFile" class="photo-preview-container mb-4">
+      <div
+        ref="photoPreviewWrapper"
+        class="photo-preview-wrapper"
+        :style="{ cursor: wrapperCursor }"
+        @mousedown="handleWrapperMouseDown"
+      >
+        <img ref="photoPreview" :src="photoUrl" class="photo-preview" @load="onPhotoLoaded" />
+        <div
+          v-for="marker in markers"
+          :key="marker.UID"
+          :ref="(el) => (markerRefs[marker.UID] = el)"
+          class="face-marker"
+          :class="{
+            'face-marker-selected': selectedMarker?.UID === marker.UID,
+            'face-marker-editing': isEditingMarker && selectedMarker?.UID === marker.UID,
+          }"
+          :style="getMarkerStyle(marker)"
+          @mousedown.stop="handleMarkerMouseDown($event, marker)"
+          @mouseenter="hoveredMarkerUID = marker.UID"
+          @mouseleave="hoveredMarkerUID = null"
+        >
+          <div v-if="selectedMarker?.UID === marker.UID || hoveredMarkerUID === marker.UID" class="face-marker-name">
+            {{ marker.Name || $gettext("Unnamed") }}
+            <div class="face-marker-actions">
+              <v-btn
+                v-if="!marker.SubjUID && !marker.Invalid"
+                size="x-small"
+                variant="text"
+                icon
+                color="error"
+                density="compact"
+                @click.stop="onReject(marker)"
+              >
+                <v-icon size="x-small">mdi-close</v-icon>
+              </v-btn>
+            </div>
+          </div>
+          <template v-if="selectedMarker?.UID === marker.UID && isEditingMarker && !interaction.active">
+            <div
+              class="marker-handle handle-nw"
+              @mousedown.stop="handleResizeHandleMouseDown($event, marker, 'nw')"
+            ></div>
+            <div
+              class="marker-handle handle-ne"
+              @mousedown.stop="handleResizeHandleMouseDown($event, marker, 'ne')"
+            ></div>
+            <div
+              class="marker-handle handle-sw"
+              @mousedown.stop="handleResizeHandleMouseDown($event, marker, 'sw')"
+            ></div>
+            <div
+              class="marker-handle handle-se"
+              @mousedown.stop="handleResizeHandleMouseDown($event, marker, 'se')"
+            ></div>
+          </template>
+        </div>
+        <div
+          v-if="interaction.drawingPreview"
+          class="face-marker face-marker-new-preview"
+          :style="getPreviewMarkerStyle()"
+        ></div>
+      </div>
+      <div class="photo-actions mt-2 d-flex justify-space-between">
+        <div>
+          <v-btn
+            :color="isDrawingMode ? 'primary' : 'default'"
+            variant="outlined"
+            prepend-icon="mdi-plus"
+            class="mr-2"
+            @click="toggleDrawingMode"
+          >
+            {{ isDrawingMode ? $gettext("Cancel") : $gettext("Add Face Marker") }}
+          </v-btn>
+          <v-btn v-if="isEditingMarker" color="primary" variant="outlined" @click="saveMarkerChanges">
+            {{ $gettext("Save Changes") }}
+          </v-btn>
+        </div>
+        <div>
+          <v-btn color="success" variant="outlined" prepend-icon="mdi-check" @click="$emit('close')">
+            {{ $gettext("Done") }}
+          </v-btn>
+        </div>
+      </div>
+    </div>
+  </div>
+</template>
+
+<script>
+import Marker from "model/marker";
+import $api from "common/api";
+import "../../../css/face-markers.css";
+
+export default {
+  name: "PPhotoFaceEditor",
+  props: {
+    uid: {
+      type: String,
+      default: "",
+    },
+    primaryFile: {
+      type: Object,
+      default: null,
+    },
+    initialMarkers: {
+      type: Array,
+      default: () => [],
+    },
+  },
+  emits: ["close", "markers-updated"],
+  data() {
+    return {
+      markers: [],
+      markerRefs: {},
+      busy: false,
+      disabled: !this.$config.feature("edit"),
+      readonly: this.$config.get("readonly"),
+
+      mode: null,
+      selectedMarker: null,
+      hoveredMarkerUID: null,
+
+      interaction: {
+        active: false,
+        type: null,
+        startX: 0,
+        startY: 0,
+        wrapperRect: null,
+        initialMarkerRect: null,
+        resizeHandle: null,
+        drawingPreview: null,
+      },
+
+      photoAspectRatio: 1,
+      photoLoaded: false,
+    };
+  },
+  computed: {
+    photoUrl() {
+      if (!this.primaryFile) return "";
+      return `${this.$config.contentUri}/t/${this.primaryFile.Hash}/${this.$config.previewToken}/fit_1280`;
+    },
+
+    isDrawingMode() {
+      return this.mode === "drawing";
+    },
+    isEditingMarker() {
+      return this.selectedMarker && this.mode === "editing";
+    },
+    canResize() {
+      return this.isEditingMarker && !this.interaction.active;
+    },
+    wrapperCursor() {
+      if (this.isDrawingMode) return "crosshair";
+      if (this.interaction.active && this.interaction.type === "moving") return "grabbing";
+      if (this.interaction.active && this.interaction.type === "resizing") {
+        const handle = this.interaction.resizeHandle;
+        if (handle === "nw" || handle === "se") return "nwse-resize";
+        if (handle === "ne" || handle === "sw") return "nesw-resize";
+      }
+      return "default";
+    },
+  },
+  watch: {
+    initialMarkers: {
+      handler(newMarkers) {
+        this.markers = newMarkers.map((markerData) => new Marker(markerData));
+      },
+      immediate: true,
+    },
+  },
+  mounted() {
+    window.addEventListener("resize", this.updateWrapperRect);
+    if (this.$refs.photoPreviewWrapper) {
+      this.updateWrapperRect();
+    }
+  },
+  beforeUnmount() {
+    window.removeEventListener("resize", this.updateWrapperRect);
+    this.removeDocumentListeners();
+  },
+  methods: {
+    updateWrapperRect() {
+      if (this.$refs.photoPreviewWrapper && this.$refs.photoPreview) {
+        if (this.photoLoaded) {
+          const img = this.$refs.photoPreview;
+          const imgRect = img.getBoundingClientRect();
+          const wrapper = this.$refs.photoPreviewWrapper;
+          wrapper.style.width = imgRect.width + "px";
+          wrapper.style.height = imgRect.height + "px";
+        }
+
+        const rect = this.$refs.photoPreviewWrapper.getBoundingClientRect();
+        if (this.interaction.active) {
+          this.interaction.wrapperRect = rect;
+        }
+      }
+    },
+    onPhotoLoaded(event) {
+      const img = event.target;
+      this.photoAspectRatio = img.naturalWidth / img.naturalHeight;
+      this.photoLoaded = true;
+
+      this.$nextTick(() => {
+        if (this.$refs.photoPreviewWrapper) {
+          const wrapper = this.$refs.photoPreviewWrapper;
+          const imgRect = img.getBoundingClientRect();
+          wrapper.style.width = imgRect.width + "px";
+          wrapper.style.height = imgRect.height + "px";
+        }
+        this.updateWrapperRect();
+      });
+    },
+    getMarkerStyle(marker) {
+      return {
+        left: marker.X * 100 + "%",
+        top: marker.Y * 100 + "%",
+        width: marker.W * 100 + "%",
+        height: marker.H * 100 + "%",
+      };
+    },
+    getPreviewMarkerStyle() {
+      if (!this.interaction.drawingPreview) return {};
+      const preview = this.interaction.drawingPreview;
+      return {
+        left: preview.x + "%",
+        top: preview.y + "%",
+        width: preview.w + "%",
+        height: preview.h + "%",
+      };
+    },
+    selectAndEditMarker(marker) {
+      this.selectedMarker = marker;
+      this.mode = "editing";
+      // Initialize interaction state for the selected marker
+      if (!this.interaction.initialMarkerRect) {
+        this.interaction.initialMarkerRect = {
+          X: marker.X,
+          Y: marker.Y,
+          W: marker.W,
+          H: marker.H,
+        };
+      }
+    },
+    addDocumentListeners() {
+      document.addEventListener("mousemove", this.handleDocumentMouseMove);
+      document.addEventListener("mouseup", this.handleDocumentMouseUp);
+    },
+    removeDocumentListeners() {
+      document.removeEventListener("mousemove", this.handleDocumentMouseMove);
+      document.removeEventListener("mouseup", this.handleDocumentMouseUp);
+    },
+    handleWrapperMouseDown(event) {
+      if (this.isDrawingMode && event.button === 0) {
+        this.startInteraction("drawing");
+        this.setDrawingStart(event);
+      }
+    },
+    handleMarkerMouseDown(event, marker) {
+      if (event.button === 0) {
+        this.selectAndEditMarker(marker);
+        this.startInteraction("moving", marker);
+        this.setInteractionStart(event);
+      }
+    },
+    handleResizeHandleMouseDown(event, marker, handle) {
+      if (event.button === 0) {
+        this.selectAndEditMarker(marker);
+        this.startInteraction("resizing", marker, handle);
+        this.setInteractionStart(event);
+      }
+    },
+    handleDocumentMouseMove(event) {
+      if (!this.interaction.active) return;
+      window.requestAnimationFrame(() => {
+        const { type } = this.interaction;
+        if (type === "drawing") this.handleDrawing(event);
+        else if (type === "moving") this.handleMoving(event);
+        else if (type === "resizing") this.handleResizing(event);
+      });
+    },
+    handleDocumentMouseUp() {
+      if (!this.interaction.active) return;
+      const { type, drawingPreview } = this.interaction;
+      if (type === "drawing" && drawingPreview) {
+        if (drawingPreview.w > 0.01 && drawingPreview.h > 0.01) {
+          this.createMarker(
+            drawingPreview.x / 100,
+            drawingPreview.y / 100,
+            drawingPreview.w / 100,
+            drawingPreview.h / 100
+          );
+        }
+      }
+      this.interaction.active = false;
+      this.removeDocumentListeners();
+    },
+    setDrawingStart(event) {
+      const rect = this.interaction.wrapperRect;
+      if (!rect) return;
+      this.interaction.startX = (event.clientX - rect.left) / rect.width;
+      this.interaction.startY = (event.clientY - rect.top) / rect.height;
+    },
+    setInteractionStart(event) {
+      this.interaction.startX = event.clientX;
+      this.interaction.startY = event.clientY;
+    },
+    handleDrawing(event) {
+      const rect = this.interaction.wrapperRect;
+      if (!rect) return;
+      const currentX = Math.max(0, Math.min(1, (event.clientX - rect.left) / rect.width));
+      const currentY = Math.max(0, Math.min(1, (event.clientY - rect.top) / rect.height));
+      const startX = this.interaction.startX;
+      const startY = this.interaction.startY;
+      this.interaction.drawingPreview = {
+        x: Math.min(startX, currentX) * 100,
+        y: Math.min(startY, currentY) * 100,
+        w: Math.abs(currentX - startX) * 100,
+        h: Math.abs(currentY - startY) * 100,
+      };
+    },
+    handleMoving(event) {
+      if (!this.selectedMarker || !this.interaction.wrapperRect) return;
+      const rect = this.interaction.wrapperRect;
+      const deltaX = (event.clientX - this.interaction.startX) / rect.width;
+      const deltaY = (event.clientY - this.interaction.startY) / rect.height;
+      const initial = this.interaction.initialMarkerRect;
+      let newX = initial.X + deltaX;
+      let newY = initial.Y + deltaY;
+      newX = Math.max(0, Math.min(1 - initial.W, newX));
+      newY = Math.max(0, Math.min(1 - initial.H, newY));
+      this.selectedMarker.X = newX;
+      this.selectedMarker.Y = newY;
+      this.updateMarkerElement(this.selectedMarker);
+    },
+    handleResizing(event) {
+      if (!this.selectedMarker || !this.interaction.wrapperRect) return;
+      const rect = this.interaction.wrapperRect;
+      const mouseX = Math.max(0, Math.min(rect.width, event.clientX - rect.left));
+      const mouseY = Math.max(0, Math.min(rect.height, event.clientY - rect.top));
+      const initial = this.interaction.initialMarkerRect;
+      const handle = this.interaction.resizeHandle;
+      let newX = initial.X,
+        newY = initial.Y,
+        newW = initial.W,
+        newH = initial.H;
+      if (handle.includes("w")) {
+        newX = mouseX / rect.width;
+        newW = initial.X + initial.W - newX;
+      }
+      if (handle.includes("e")) {
+        newW = (mouseX - initial.X * rect.width) / rect.width;
+      }
+      if (handle.includes("n")) {
+        newY = mouseY / rect.height;
+        newH = initial.Y + initial.H - newY;
+      }
+      if (handle.includes("s")) {
+        newH = (mouseY - initial.Y * rect.height) / rect.height;
+      }
+      newW = Math.max(0.01, newW);
+      newH = Math.max(0.01, newH);
+      newX = Math.max(0, Math.min(1 - newW, newX));
+      newY = Math.max(0, Math.min(1 - newH, newY));
+      this.selectedMarker.X = newX;
+      this.selectedMarker.Y = newY;
+      this.selectedMarker.W = newW;
+      this.selectedMarker.H = newH;
+      this.updateMarkerElement(this.selectedMarker);
+    },
+    updateMarkerElement(marker) {
+      const markerRef = this.markerRefs[marker.UID];
+      if (markerRef) {
+        markerRef.style.left = `${marker.X * 100}%`;
+        markerRef.style.top = `${marker.Y * 100}%`;
+        markerRef.style.width = `${marker.W * 100}%`;
+        markerRef.style.height = `${marker.H * 100}%`;
+      }
+    },
+    createMarker(x, y, w, h) {
+      if (!this.primaryFile) return;
+      this.busy = true;
+      this.$notify.blockUI("busy");
+      const markerData = {
+        FileUID: this.primaryFile.UID,
+        Type: "face",
+        Src: "manual",
+        X: x,
+        Y: y,
+        W: w,
+        H: h,
+        MarkerName: "",
+        MarkerReview: false,
+        MarkerInvalid: false,
+      };
+      $api
+        .post("markers", markerData)
+        .then((response) => {
+          const newMarker = new Marker(response.data);
+          this.markers.push(newMarker);
+          this.$nextTick(() => {
+            // Wait for DOM to fully render the new marker
+            this.$nextTick(() => {
+              // Clear any active interaction before selecting new marker
+              this.interaction.active = false;
+              this.interaction.type = null;
+              this.interaction.drawingPreview = null;
+              this.selectAndEditMarker(newMarker);
+            });
+          });
+          this.$notify.success(this.$gettext("Face marker added"));
+          this.$emit("markers-updated", this.markers);
+        })
+        .catch((error) => {
+          console.error("Error creating marker:", error);
+          this.$notify.error(this.$gettext("Failed to add face marker"));
+          this.mode = null;
+        })
+        .finally(() => {
+          this.busy = false;
+          this.$notify.unblockUI();
+        });
+    },
+    updateMarkerPosition(marker) {
+      if (!marker || this.busy) return;
+      const original = this.interaction.initialMarkerRect;
+      if (
+        original &&
+        marker.X === original.X &&
+        marker.Y === original.Y &&
+        marker.W === original.W &&
+        marker.H === original.H
+      ) {
+        this.$notify.info(this.$gettext("No changes to save."));
+        this.resetState();
+        return;
+      }
+      this.busy = true;
+      this.$notify.blockUI("busy");
+      const markerDataToUpdate = {
+        FileUID: marker.FileUID,
+        Type: marker.Type,
+        Src: marker.Src,
+        SubjSrc: marker.SubjSrc,
+        Name: marker.Name,
+        MarkerReview: marker.Review,
+        Invalid: marker.Invalid,
+        X: marker.X,
+        Y: marker.Y,
+        W: marker.W,
+        H: marker.H,
+        UpdatePosition: true,
+      };
+      $api
+        .put(`markers/${marker.UID}`, markerDataToUpdate)
+        .then((response) => {
+          const serverMarkerData = response.data;
+          const index = this.markers.findIndex((m) => m.UID === marker.UID);
+          if (index !== -1) {
+            const localMarker = this.markers[index];
+            Object.assign(localMarker, serverMarkerData);
+            if (localMarker.Thumb) {
+              const timestamp = new Date().getTime();
+              const baseUrl = localMarker.thumbnailUrl("tile_320");
+              localMarker.thumbWithTimestamp = `${baseUrl}?ts=${timestamp}`;
+            }
+            this.updateMarkerElement(localMarker);
+          }
+          this.$notify.success(this.$gettext("Face marker updated"));
+          this.$emit("markers-updated", this.markers);
+        })
+        .catch((error) => {
+          console.error("Error updating marker:", error);
+          this.$notify.error(this.$gettext("Failed to update face marker"));
+          const index = this.markers.findIndex((m) => m.UID === marker.UID);
+          if (index !== -1 && this.interaction.initialMarkerRect) {
+            Object.assign(this.markers[index], this.interaction.initialMarkerRect);
+            this.updateMarkerElement(this.markers[index]);
+          }
+        })
+        .finally(() => {
+          this.busy = false;
+          this.$notify.unblockUI();
+          this.resetState();
+        });
+    },
+    toggleDrawingMode() {
+      if (this.isDrawingMode) {
+        this.resetState();
+      } else {
+        this.mode = "drawing";
+        this.selectedMarker = null;
+      }
+    },
+    onReject(model) {
+      if (this.busy || !model) return;
+      this.busy = true;
+      this.$notify.blockUI("busy");
+      model.reject().finally(() => {
+        this.$notify.unblockUI();
+        this.busy = false;
+        this.$emit("markers-updated", this.markers);
+      });
+    },
+    resetState() {
+      this.mode = null;
+      this.selectedMarker = null;
+      this.interaction = {
+        active: false,
+        type: null,
+        startX: 0,
+        startY: 0,
+        wrapperRect: null,
+        initialMarkerRect: null,
+        resizeHandle: null,
+        drawingPreview: null,
+      };
+      this.removeDocumentListeners();
+    },
+    startInteraction(type, marker = null, resizeHandle = null) {
+      this.interaction = {
+        active: true,
+        type,
+        startX: 0,
+        startY: 0,
+        wrapperRect: this.$refs.photoPreviewWrapper?.getBoundingClientRect() || null,
+        initialMarkerRect: marker ? { X: marker.X, Y: marker.Y, W: marker.W, H: marker.H } : null,
+        resizeHandle,
+        drawingPreview: type === "drawing" ? { x: 0, y: 0, w: 0, h: 0 } : null,
+      };
+      this.addDocumentListeners();
+    },
+    saveMarkerChanges() {
+      if (this.selectedMarker) {
+        this.updateMarkerPosition(this.selectedMarker);
+      }
+      this.resetState();
+    },
+  },
+};
+</script>
diff --git a/frontend/src/component/photo/edit/people.vue b/frontend/src/component/photo/edit/people.vue
index 202643f7c..3b2c5c8cb 100644
--- a/frontend/src/component/photo/edit/people.vue
+++ b/frontend/src/component/photo/edit/people.vue
@@ -1,7 +1,24 @@
 <template>
   <div class="p-tab p-tab-photo-people">
     <div class="pa-2 p-faces">
-      <v-alert v-if="markers.length === 0" color="surface-variant" icon="mdi-lightbulb-outline" class="no-results ma-2 opacity-70" variant="outlined">
+      <transition name="slide-y-transition" appear>
+        <PPhotoFaceEditor
+          v-if="showManualEditing"
+          :uid="uid"
+          :primary-file="primaryFile"
+          :initial-markers="markers"
+          @close="closeManualEditing"
+          @markers-updated="onMarkersUpdated"
+        />
+      </transition>
+
+      <v-alert
+        v-if="markers.length === 0"
+        color="surface-variant"
+        icon="mdi-lightbulb-outline"
+        class="no-results ma-2 opacity-70"
+        variant="outlined"
+      >
         <div class="font-weight-bold">
           {{ $gettext(`No people found`) }}
         </div>
@@ -88,6 +105,12 @@
           </v-card>
         </div>
       </div>
+
+      <div v-if="!showManualEditing" class="d-flex justify-start mt-4">
+        <v-btn color="primary" variant="outlined" @click="showManualEditing = true">
+          {{ $gettext("Edit Face Markers") }}
+        </v-btn>
+      </div>
     </div>
     <p-confirm-dialog
       :visible="confirm.visible"
@@ -105,12 +128,13 @@ import Marker from "model/marker";
 import Subject from "model/subject";
 import PConfirmDialog from "component/confirm/dialog.vue";
 import PActionMenu from "component/action/menu.vue";
+import PPhotoFaceEditor from "./face-editor.vue";
 
 const SUBJECT_NOT_FOUND = "subject-not-found";
 
 export default {
   name: "PTabPhotoPeople",
-  components: { PConfirmDialog, PActionMenu },
+  components: { PConfirmDialog, PActionMenu, PPhotoFaceEditor },
   props: {
     uid: {
       type: String,
@@ -126,6 +150,7 @@ export default {
       disabled: !this.$config.feature("edit"),
       config: this.$config.values,
       readonly: this.$config.get("readonly"),
+      showManualEditing: false,
       confirm: {
         visible: false,
         model: new Marker(),
@@ -157,6 +182,14 @@ export default {
       },
     };
   },
+  computed: {
+    primaryFile() {
+      if (!this.view.model || !this.view.model.Files || this.view.model.Files.length === 0) {
+        return null;
+      }
+      return this.view.model.Files.find((f) => f.Primary) || this.view.model.Files[0];
+    },
+  },
   watch: {
     uid: function () {
       this.refresh();
@@ -411,6 +444,12 @@ export default {
         this.confirm.visible = false;
       });
     },
+    closeManualEditing() {
+      this.showManualEditing = false;
+    },
+    onMarkersUpdated(newMarkers) {
+      this.markers = newMarkers;
+    },
   },
 };
 </script>
diff --git a/frontend/src/css/face-markers.css b/frontend/src/css/face-markers.css
new file mode 100644
index 000000000..e5ff24da5
--- /dev/null
+++ b/frontend/src/css/face-markers.css
@@ -0,0 +1,104 @@
+.photo-preview-container {
+  max-width: 100%;
+  margin: 0 auto;
+}
+
+.photo-preview-wrapper {
+  position: relative;
+  overflow: hidden;
+  background-color: #f0f0f0;
+  border: 1px solid #ccc;
+  -webkit-user-select: none;
+  -moz-user-select: none;
+  -ms-user-select: none;
+  user-select: none;
+  display: inline-block;
+  max-width: 100%;
+}
+
+.photo-preview {
+  display: block;
+  max-width: 100%;
+  height: auto;
+  pointer-events: none;
+}
+
+.face-marker {
+  position: absolute;
+  box-sizing: border-box;
+  border: 2px solid rgba(255, 255, 255, 0.7);
+  box-shadow: 0 0 5px rgba(0, 0, 0, 0.5);
+  transition: all 0.1s ease-in-out;
+  cursor: move;
+  z-index: 10;
+}
+
+.face-marker:hover {
+  border-color: rgba(255, 255, 255, 1);
+}
+
+.face-marker-selected {
+  border-color: #1976d2;
+  border-width: 3px;
+  box-shadow: 0 0 10px rgba(25, 118, 210, 0.7);
+}
+
+.face-marker-editing {
+  border-style: dashed;
+  border-color: #1976d2;
+}
+
+.face-marker-name {
+  position: absolute;
+  bottom: 100%;
+  left: 0;
+  background-color: rgba(0, 0, 0, 0.7);
+  color: white;
+  padding: 2px 5px;
+  border-radius: 3px;
+  font-size: 0.8em;
+  white-space: nowrap;
+  display: flex;
+  align-items: center;
+}
+
+.face-marker-actions {
+  margin-left: 5px;
+}
+
+.marker-handle {
+  position: absolute;
+  width: 10px;
+  height: 10px;
+  background-color: #1976d2;
+  border: 1px solid white;
+  border-radius: 50%;
+  box-shadow: 0 0 3px rgba(0, 0, 0, 0.5);
+  z-index: 15;
+}
+
+.handle-nw {
+  top: -5px;
+  left: -5px;
+  cursor: nwse-resize;
+}
+
+.handle-ne {
+  top: -5px;
+  right: -5px;
+  cursor: nesw-resize;
+}
+
+.handle-sw {
+  bottom: -5px;
+  left: -5px;
+  cursor: nesw-resize;
+}
+
+.handle-se {
+  bottom: -5px;
+  right: -5px;
+  cursor: nwse-resize;
+}
+
+
diff --git a/internal/api/markers.go b/internal/api/markers.go
index b4d0e75e0..b5cdfefa3 100644
--- a/internal/api/markers.go
+++ b/internal/api/markers.go
@@ -227,6 +227,20 @@ func UpdateMarker(router *gin.RouterGroup) {
 			return
 		}
 
+		// Update marker position and thumb if needed.
+		if frm.W > 0 && frm.H > 0 && (marker.X != frm.X || marker.Y != frm.Y || marker.W != frm.W || marker.H != frm.H) {
+			marker.X = frm.X
+			marker.Y = frm.Y
+			marker.W = frm.W
+			marker.H = frm.H
+			marker.Thumb = crop.NewArea("face", marker.X, marker.Y, marker.W, marker.H).Thumb(file.FileHash)
+			if err := marker.Save(); err != nil {
+				log.Errorf("faces: %s (update marker position)", err)
+				AbortSaveFailed(c)
+				return
+			}
+		}
+
 		// Update marker from form values.
 		if changed, saveErr := marker.SaveForm(frm); saveErr != nil {
 			log.Errorf("faces: %s (update marker)", saveErr)