diff --git a/packages/frontend/src/components/MkEmojiPicker.vue b/packages/frontend/src/components/MkEmojiPicker.vue
index 4ce451c85c..f3b3ac0b50 100644
--- a/packages/frontend/src/components/MkEmojiPicker.vue
+++ b/packages/frontend/src/components/MkEmojiPicker.vue
@@ -1,5 +1,5 @@
 <template>
-<div class="omfetrab" :class="['s' + size, 'w' + width, 'h' + height, { asDrawer }]" :style="{ maxHeight: maxHeight ? maxHeight + 'px' : undefined }">
+<div class="omfetrab" :class="['s' + size, 'w' + width, 'h' + height, { asDrawer, asWindow }]" :style="{ maxHeight: maxHeight ? maxHeight + 'px' : undefined }">
 	<input ref="search" :value="q" class="search" data-prevent-emoji-insert :class="{ filled: q != null && q != '' }" :placeholder="i18n.ts.search" type="search" @input="input()" @paste.stop="paste" @keyup.enter="done()">
 	<div ref="emojis" class="emojis">
 		<section class="result">
@@ -94,6 +94,7 @@ const props = withDefaults(defineProps<{
 	asReactionPicker?: boolean;
 	maxHeight?: number;
 	asDrawer?: boolean;
+	asWindow?: boolean;
 }>(), {
 	showPinned: true,
 });
@@ -440,6 +441,28 @@ defineExpose({
 		}
 	}
 
+	&.asWindow {
+		width: 100% !important;
+		height: 100% !important;
+
+		> .emojis {
+			::v-deep(section) {
+				> .body {
+					display: grid;
+					grid-template-columns: var(--columns);
+					font-size: 30px;
+
+					> .item {
+						aspect-ratio: 1 / 1;
+						width: auto;
+						height: auto;
+						min-width: 0;
+					}
+				}
+			}
+		}
+	}
+
 	> .search {
 		width: 100%;
 		padding: 12px;
diff --git a/packages/frontend/src/components/MkEmojiPickerWindow.vue b/packages/frontend/src/components/MkEmojiPickerWindow.vue
index 523e4ba695..ca7dbccdc8 100644
--- a/packages/frontend/src/components/MkEmojiPickerWindow.vue
+++ b/packages/frontend/src/components/MkEmojiPickerWindow.vue
@@ -1,13 +1,13 @@
 <template>
 <MkWindow ref="window"
-	:initial-width="null"
-	:initial-height="null"
-	:can-resize="false"
+	:initial-width="300"
+	:initial-height="290"
+	:can-resize="true"
 	:mini="true"
 	:front="true"
 	@closed="emit('closed')"
 >
-	<MkEmojiPicker :show-pinned="showPinned" :as-reaction-picker="asReactionPicker" @chosen="chosen"/>
+	<MkEmojiPicker :show-pinned="showPinned" :as-reaction-picker="asReactionPicker" as-window @chosen="chosen" :class="$style.picker"/>
 </MkWindow>
 </template>
 
@@ -34,147 +34,8 @@ function chosen(emoji: any) {
 }
 </script>
 
-<style lang="scss" scoped>
-.omfetrab {
-	$pad: 8px;
-	--eachSize: 40px;
-
-	display: flex;
-	flex-direction: column;
-	contain: content;
-
-	&.big {
-		--eachSize: 44px;
-	}
-
-	&.w1 {
-		width: calc((var(--eachSize) * 5) + (#{$pad} * 2));
-	}
-
-	&.w2 {
-		width: calc((var(--eachSize) * 6) + (#{$pad} * 2));
-	}
-
-	&.w3 {
-		width: calc((var(--eachSize) * 7) + (#{$pad} * 2));
-	}
-
-	&.h1 {
-		--height: calc((var(--eachSize) * 4) + (#{$pad} * 2));
-	}
-
-	&.h2 {
-		--height: calc((var(--eachSize) * 6) + (#{$pad} * 2));
-	}
-
-	&.h3 {
-		--height: calc((var(--eachSize) * 8) + (#{$pad} * 2));
-	}
-
-	> .search {
-		width: 100%;
-		padding: 12px;
-		box-sizing: border-box;
-		font-size: 1em;
-		outline: none;
-		border: none;
-		background: transparent;
-		color: var(--fg);
-
-		&:not(.filled) {
-			order: 1;
-			z-index: 2;
-			box-shadow: 0px -1px 0 0px var(--divider);
-		}
-	}
-
-	> .emojis {
-		height: var(--height);
-		overflow-y: auto;
-		overflow-x: hidden;
-
-		scrollbar-width: none;
-
-		&::-webkit-scrollbar {
-			display: none;
-		}
-
-		> .index {
-			min-height: var(--height);
-			position: relative;
-			border-bottom: solid 0.5px var(--divider);
-				
-			> .arrow {
-				position: absolute;
-				bottom: 0;
-				left: 0;
-				width: 100%;
-				padding: 16px 0;
-				text-align: center;
-				opacity: 0.5;
-				pointer-events: none;
-			}
-		}
-
-		section {
-			> header {
-				position: sticky;
-				top: 0;
-				left: 0;
-				z-index: 1;
-				padding: 8px;
-				font-size: 12px;
-			}
-
-			> div {
-				padding: $pad;
-
-				> button {
-					position: relative;
-					padding: 0;
-					width: var(--eachSize);
-					height: var(--eachSize);
-					border-radius: 4px;
-
-					&:focus-visible {
-						outline: solid 2px var(--focus);
-						z-index: 1;
-					}
-
-					&:hover {
-						background: rgba(0, 0, 0, 0.05);
-					}
-
-					&:active {
-						background: var(--accent);
-						box-shadow: inset 0 0.15em 0.3em rgba(27, 31, 35, 0.15);
-					}
-
-					> * {
-						font-size: 24px;
-						height: 1.25em;
-						vertical-align: -.25em;
-						pointer-events: none;
-					}
-				}
-			}
-
-			&.result {
-				border-bottom: solid 0.5px var(--divider);
-
-				&:empty {
-					display: none;
-				}
-			}
-
-			&.unicode {
-				min-height: 384px;
-			}
-
-			&.custom {
-				min-height: 64px;
-			}
-		}
-	}
+<style lang="scss" module>
+.picker {
+	height: 100%;
 }
 </style>
diff --git a/packages/frontend/src/components/MkWindow.vue b/packages/frontend/src/components/MkWindow.vue
index 401f0f4a2e..dd7ac30fde 100644
--- a/packages/frontend/src/components/MkWindow.vue
+++ b/packages/frontend/src/components/MkWindow.vue
@@ -61,8 +61,8 @@ function dragClear(fn) {
 }
 
 const props = withDefaults(defineProps<{
-	initialWidth?: number;
-	initialHeight?: number | null;
+	initialWidth: number;
+	initialHeight: number | null;
 	canResize?: boolean;
 	closeButton?: boolean;
 	mini?: boolean;
@@ -386,7 +386,7 @@ function onBrowserResize() {
 }
 
 onMounted(() => {
-	if (props.initialWidth) applyTransformWidth(props.initialWidth);
+	applyTransformWidth(props.initialWidth);
 	if (props.initialHeight) applyTransformHeight(props.initialHeight);
 
 	applyTransformTop((window.innerHeight / 2) - (rootEl.offsetHeight / 2));