diff --git a/inception/inception-diam-editor/src/main/ts/src/AnnotationsByLabelList.svelte b/inception/inception-diam-editor/src/main/ts/src/AnnotationsByLabelList.svelte
index 2f804762b21..4f385f269f2 100644
--- a/inception/inception-diam-editor/src/main/ts/src/AnnotationsByLabelList.svelte
+++ b/inception/inception-diam-editor/src/main/ts/src/AnnotationsByLabelList.svelte
@@ -32,15 +32,20 @@
     import { compareSpanText, groupBy, renderLabel, uniqueLabels } from "./Utils";
     import { sortByScore, recommendationsFirst } from "./AnnotationBrowserState"
 
-    export let ajaxClient: DiamAjax;
-    export let data: AnnotatedText;
-    export let pinnedGroups: string[];
+    export let ajaxClient: DiamAjax
+    export let data: AnnotatedText
+    export let pinnedGroups: string[]
 
-    let groupedAnnotations: Record<string, Annotation[]>;
-    let sortedLabels: string[];
+    let groupedAnnotations: Record<string, Annotation[]>
+    let groups: { label: string, collapsed: boolean }[]
+    let collapsedGroups = new Set<string>()
 
     $: {
-        sortedLabels = [...pinnedGroups, ...uniqueLabels(data).filter(v => !pinnedGroups.includes(v))]
+        const sortedLabels = [...pinnedGroups, ...uniqueLabels(data).filter(v => !pinnedGroups.includes(v))]
+
+        groups = sortedLabels.map(label => {
+            return { label: label, collapsed: collapsedGroups.has(label) };
+        });
 
         const relations = data?.relations.values() || []
         const spans = data?.spans.values() || []
@@ -97,9 +102,32 @@
     function mouseOverAnnotation(event: MouseEvent, annotation: Annotation) {
       event.target.dispatchEvent(new AnnotationOverEvent(annotation, event))
     }
+    
     function mouseOutAnnotation(event: MouseEvent, annotation: Annotation) {
       event.target.dispatchEvent(new AnnotationOutEvent(annotation, event))
     }
+
+    function toggleCollapsed(group) {
+        if (!collapsedGroups.has(group.label)) {
+            collapsedGroups.add(group.label)
+        }
+        else {
+            collapsedGroups.delete(group.label)
+        }
+        data = data // Trigger reactive update
+    }
+
+    function collapseAll() {
+        for (const group of groups) {
+            collapsedGroups.add(group.label)
+        }
+        data = data // Trigger reactive update
+    }
+
+    function expandAll() {
+        collapsedGroups.clear()
+        data = data // Trigger reactive update
+    }
 </script>
 
 {#if !data}
@@ -111,7 +139,7 @@
         </div>
     </div>
 {:else}
-    <div class="d-flex flex-column">
+    <div class="d-flex flex-row flex-wrap">
         <div class="form-check form-switch mx-2">
             <input
                 class="form-check-input"
@@ -133,23 +161,36 @@
                 bind:checked={$recommendationsFirst}
             />
             <label class="form-check-label" for="recommendationsFirst"
-                >Recommendations first</label
+                >Suggestions first</label
             >
         </div>
     </div>
+    <div class="d-flex flex-row flex-wrap">
+        <button class="btn btn-outline-secondary btn-sm p-0 m-1" style="width: 2em;" on:click={expandAll}>
+            <i class="fas fa-caret-down"/>
+        </button>
+        <button class="btn btn-outline-secondary btn-sm p-0 m-1" style="width: 2em;" on:click={collapseAll}>
+            <i class="fas fa-caret-down group-collapsed"/>
+        </button>
+    </div>
     <div class="flex-content fit-child-snug">
-        {#if sortedLabels || sortedLabels?.length}
+        {#if groups || groups?.length}
             <ul class="scrolling flex-content list-group list-group-flush">
-                {#each sortedLabels as label}
+                {#each groups as group}
                     <li class="list-group-item py-0 px-0 border-0">
+                        <!-- svelte-ignore a11y-click-events-have-key-events -->
                         <div
                             class="px-2 py-1 bg-light-subtle fw-bold sticky-top border-top border-bottom"
+                            on:click={() => toggleCollapsed(group)}
                         >
-                            {label || "No label"}
+                            <button class="btn btn-link p-0" style="color: var(--bs-body-color)">
+                                <i class="fas fa-caret-down d-inline-block" class:group-collapsed={group.collapsed}/>
+                            </button>
+                            <span>{group.label || "No label"}</span>
                         </div>
-                        <ul class="px-0 list-group list-group-flush">
-                            {#if groupedAnnotations[label]}
-                            {#each groupedAnnotations[label] as ann}
+                        <ul class="px-0 list-group list-group-flush" class:d-none={group.collapsed}>
+                            {#if groupedAnnotations[group.label]}
+                            {#each groupedAnnotations[group.label] as ann}
                                 <!-- svelte-ignore a11y-mouse-events-have-key-events -->
                                 <li
                                     class="list-group-item list-group-item-action p-0 d-flex"
@@ -218,4 +259,8 @@
     .list-group-flush > .list-group-item:last-child {
         border-bottom-width: 1px;
     }
+
+    .group-collapsed {
+        transform: rotate(-90deg);
+    }
 </style>
diff --git a/inception/inception-diam-editor/src/main/ts/src/AnnotationsByLayerList.svelte b/inception/inception-diam-editor/src/main/ts/src/AnnotationsByLayerList.svelte
index d908231e2f9..08e7f419c90 100644
--- a/inception/inception-diam-editor/src/main/ts/src/AnnotationsByLayerList.svelte
+++ b/inception/inception-diam-editor/src/main/ts/src/AnnotationsByLayerList.svelte
@@ -37,10 +37,15 @@
     export let data: AnnotatedText;
 
     let groupedAnnotations: Record<string, Annotation[]>;
-    let sortedLayers: Layer[];
+    let groups: { layer: Layer, collapsed: boolean }[]
+    let collapsedGroups = new Set<number>()
 
     $: {
-        sortedLayers = uniqueLayers(data)
+        const sortedLayers = uniqueLayers(data)
+
+        groups = sortedLayers.map(layer => {
+            return { layer: layer, collapsed: collapsedGroups.has(layer.id) };
+        });
 
         const relations = data?.relations.values() || []
         const spans = data?.spans.values() || []
@@ -97,9 +102,32 @@
     function mouseOverAnnotation(event: MouseEvent, annotation: Annotation) {
       event.target.dispatchEvent(new AnnotationOverEvent(annotation, event))
     }
+
     function mouseOutAnnotation(event: MouseEvent, annotation: Annotation) {
       event.target.dispatchEvent(new AnnotationOutEvent(annotation, event))
     }
+
+    function toggleCollapsed(group) {
+        if (!collapsedGroups.has(group.layer.id)) {
+            collapsedGroups.add(group.layer.id)
+        }
+        else {
+            collapsedGroups.delete(group.layer.id)
+        }
+        data = data // Trigger reactive update
+    }
+
+    function collapseAll() {
+        for (const group of groups) {
+            collapsedGroups.add(group.layer.id)
+        }
+        data = data // Trigger reactive update
+    }
+
+    function expandAll() {
+        collapsedGroups.clear()
+        data = data // Trigger reactive update
+    }
 </script>
 
 {#if !data}
@@ -111,7 +139,7 @@
         </div>
     </div>
 {:else}
-    <div class="d-flex flex-column">
+    <div class="d-flex flex-row flex-wrap">
         <div class="form-check form-switch mx-2">
             <input
                 class="form-check-input"
@@ -133,23 +161,36 @@
                 bind:checked={$recommendationsFirst}
             />
             <label class="form-check-label" for="recommendationsFirst"
-                >Recommendations first</label
+                >Suggestions first</label
             >
         </div>
     </div>
+    <div class="d-flex flex-row flex-wrap">
+        <button class="btn btn-outline-secondary btn-sm p-0 m-1" style="width: 2em;" on:click={expandAll}>
+            <i class="fas fa-caret-down"/>
+        </button>
+        <button class="btn btn-outline-secondary btn-sm p-0 m-1" style="width: 2em;" on:click={collapseAll}>
+            <i class="fas fa-caret-down group-collapsed"/>
+        </button>
+    </div>
     <div class="flex-content fit-child-snug">
-        {#if sortedLayers || sortedLayers?.length}
+        {#if groups || groups?.length}
             <ul class="scrolling flex-content list-group list-group-flush">
-                {#each sortedLayers as layer}
+                {#each groups as group}
                     <li class="list-group-item py-0 px-0 border-0">
+                        <!-- svelte-ignore a11y-click-events-have-key-events -->
                         <div
                             class="px-2 py-1 bg-light-subtle fw-bold sticky-top border-top border-bottom"
+                            on:click={() => toggleCollapsed(group)}
                         >
-                            {layer.name}
+                            <button class="btn btn-link p-0" style="color: var(--bs-body-color)">
+                                <i class="fas fa-caret-down d-inline-block" class:group-collapsed={group.collapsed}/>
+                            </button>
+                            <span>{group.layer.name}</span>
                         </div>
-                        <ul class="px-0 list-group list-group-flush">
-                            {#if groupedAnnotations[layer.name]}
-                            {#each groupedAnnotations[layer.name] as ann}
+                        <ul class="px-0 list-group list-group-flush" class:d-none={group.collapsed}>
+                            {#if groupedAnnotations[group.layer.name]}
+                            {#each groupedAnnotations[group.layer.name] as ann}
                                 <!-- svelte-ignore a11y-mouse-events-have-key-events -->
                                 <li
                                     class="list-group-item list-group-item-action p-0 d-flex"
@@ -218,4 +259,8 @@
     .list-group-flush > .list-group-item:last-child {
         border-bottom-width: 1px;
     }
+
+    .group-collapsed {
+        transform: rotate(-90deg);
+    }
 </style>