diff --git a/app/Http/Controllers/DeletionController.php b/app/Http/Controllers/DeletionController.php
index eb9929e..0adadf1 100644
--- a/app/Http/Controllers/DeletionController.php
+++ b/app/Http/Controllers/DeletionController.php
@@ -4,6 +4,8 @@ namespace App\Http\Controllers;
 
 use App\Models\Comment;
 use App\Models\Post;
+use App\Models\Tag;
+use App\Models\TagGroup;
 use Illuminate\Http\Request;
 use Illuminate\Support\Facades\Auth;
 
@@ -28,4 +30,20 @@ class DeletionController extends Controller
 		$post->delete();
 		return redirect()->route('posts.home');
 	}
+
+	public function deleteTag(Tag $tag)
+	{
+		$tag->delete();
+		return redirect()->route('tags.home');
+	}
+
+	public function deleteTagGroup(TagGroup $tagGroup)
+	{
+		foreach ($tagGroup->tags as $tag)
+		{
+			$tag->delete();
+		}
+		$tagGroup->delete();
+		return redirect()->route('tags.groups');
+	}
 }
diff --git a/app/Livewire/App/DataCard.php b/app/Livewire/App/DataCard.php
new file mode 100644
index 0000000..3d6c133
--- /dev/null
+++ b/app/Livewire/App/DataCard.php
@@ -0,0 +1,17 @@
+<?php
+
+namespace App\Livewire\App;
+
+use Livewire\Component;
+
+class DataCard extends Component
+{
+	public string $icon = 'question-mark';
+	public string $title = '';
+	public int $value = 0;
+
+    public function render()
+    {
+        return view('livewire.app.data-card');
+    }
+}
diff --git a/app/Livewire/Tags/Groups.php b/app/Livewire/Tags/Groups.php
new file mode 100644
index 0000000..f4bd352
--- /dev/null
+++ b/app/Livewire/Tags/Groups.php
@@ -0,0 +1,39 @@
+<?php
+
+namespace App\Livewire\Tags;
+
+use App\Models\TagGroup;
+use Livewire\Attributes\Title;
+use Livewire\Attributes\Validate;
+use Livewire\Component;
+
+class Groups extends Component
+{
+	#[Validate('required|string|min:2|max:100|unique:tag_groups,name')]
+	public string $name = '';
+
+	#[Validate('required')]
+	public string $color = '';
+
+	#[Validate('nullable|string|max:240')]
+	public string $description = '';
+
+	#[Title("Tag groups")]
+    public function render()
+    {
+        return view('livewire.tags.groups', ['groups' => TagGroup::all()]);
+    }
+
+	public function create()
+	{
+		$this->validate();
+
+		TagGroup::create([
+			'name' => $this->name,
+			'color' => $this->color,
+			'description' => $this->description,
+		]);
+
+		return $this->redirectRoute('tags.groups');
+	}
+}
diff --git a/app/Livewire/Tags/Index.php b/app/Livewire/Tags/Index.php
new file mode 100644
index 0000000..304bb7d
--- /dev/null
+++ b/app/Livewire/Tags/Index.php
@@ -0,0 +1,53 @@
+<?php
+
+namespace App\Livewire\Tags;
+
+use App\Models\Post;
+use App\Models\Tag;
+use App\Models\TagGroup;
+use Illuminate\Support\Str;
+use Livewire\Attributes\Title;
+use Livewire\Attributes\Validate;
+use Livewire\Component;
+use MongoDB\Collection;
+
+class Index extends Component
+{
+	#[Validate('required|string|min:2|max:100|unique:tags,name')]
+	public string $name = '';
+
+	#[Validate('required|exists:tag_groups,id')]
+	public string $group = '';
+
+	#[Validate('nullable')]
+	public $implies = [];
+
+	public $untaggedPosts = [];
+
+	#[Title("Tags")]
+    public function render()
+    {
+		$this->untaggedPosts = Post::doesntHave('tags')->get();
+
+        return view('livewire.tags.index', [
+			'tags' => Tag::all(),
+			'tagGroups' => TagGroup::all(),
+		]);
+    }
+
+	public function create()
+	{
+		$this->validate();
+
+		$tag = Tag::create([
+			'name' => $this->name,
+			'slug' => Str::slug($this->name, '_'),
+			'implies' => $this->implies,
+		]);
+
+		$group = TagGroup::find($this->group);
+		$group->tags()->save($tag);
+
+		return $this->redirect('/tags');
+	}
+}
diff --git a/app/Models/Tag.php b/app/Models/Tag.php
index c48f54e..1e37bfb 100644
--- a/app/Models/Tag.php
+++ b/app/Models/Tag.php
@@ -3,7 +3,10 @@
 namespace App\Models;
 
 use MongoDB\Laravel\Eloquent\Model;
+use MongoDB\Laravel\Relations\BelongsTo;
 use MongoDB\Laravel\Relations\BelongsToMany;
+use MongoDB\Laravel\Relations\HasMany;
+use MongoDB\Laravel\Relations\MorphToMany;
 
 class Tag extends Model
 {
@@ -13,4 +16,9 @@ class Tag extends Model
 	{
 		return $this->belongsToMany(Post::class);
 	}
+
+	public function tagGroup(): BelongsTo
+	{
+		return $this->belongsTo(TagGroup::class);
+	}
 }
diff --git a/app/Models/TagGroup.php b/app/Models/TagGroup.php
new file mode 100644
index 0000000..60d8fa4
--- /dev/null
+++ b/app/Models/TagGroup.php
@@ -0,0 +1,16 @@
+<?php
+
+namespace App\Models;
+
+use MongoDB\Laravel\Eloquent\Model;
+use MongoDB\Laravel\Relations\HasMany;
+
+class TagGroup extends Model
+{
+    protected $fillable = ['name', 'color', 'description'];
+
+	public function tags(): HasMany
+	{
+		return $this->hasMany(Tag::class);
+	}
+}
diff --git a/database/migrations/2025_05_21_173221_create_tags_table.php b/database/migrations/2025_05_21_173221_create_tags_table.php
index 85f6a52..42b3272 100644
--- a/database/migrations/2025_05_21_173221_create_tags_table.php
+++ b/database/migrations/2025_05_21_173221_create_tags_table.php
@@ -13,6 +13,8 @@ return new class extends Migration
     {
         Schema::create('tags', function (Blueprint $table) {
             $table->id();
+			$table->string('name');
+			$table->string('slug')->unique();
             $table->timestamps();
         });
     }
diff --git a/database/migrations/2025_05_24_233254_create_tag_groups_table.php b/database/migrations/2025_05_24_233254_create_tag_groups_table.php
new file mode 100644
index 0000000..fc784ef
--- /dev/null
+++ b/database/migrations/2025_05_24_233254_create_tag_groups_table.php
@@ -0,0 +1,30 @@
+<?php
+
+use Illuminate\Database\Migrations\Migration;
+use Illuminate\Database\Schema\Blueprint;
+use Illuminate\Support\Facades\Schema;
+
+return new class extends Migration
+{
+    /**
+     * Run the migrations.
+     */
+    public function up(): void
+    {
+        Schema::create('tag_groups', function (Blueprint $table) {
+            $table->id();
+			$table->string('name');
+			$table->string('color');
+			$table->string('description')->nullable();
+            $table->timestamps();
+        });
+    }
+
+    /**
+     * Reverse the migrations.
+     */
+    public function down(): void
+    {
+        Schema::dropIfExists('tag_groups');
+    }
+};
diff --git a/resources/views/livewire/app/data-card.blade.php b/resources/views/livewire/app/data-card.blade.php
new file mode 100644
index 0000000..2a07241
--- /dev/null
+++ b/resources/views/livewire/app/data-card.blade.php
@@ -0,0 +1,11 @@
+<wa-card>
+	<div class="wa-flank wa-align-items-start">
+		<wa-avatar shape="rounded">
+			<wa-icon slot="icon" name="{{ $icon }}"></wa-icon>
+		</wa-avatar>
+		<div class="wa-stack wa-gap-2xs">
+			<h3 class="wa-caption-m">{{ $title }}</h3>
+			<wa-format-number class="wa-heading-l" :$value></wa-format-number>
+		</div>
+	</div>
+</wa-card>
diff --git a/resources/views/livewire/app/navbar.blade.php b/resources/views/livewire/app/navbar.blade.php
index 039ecf5..564212a 100644
--- a/resources/views/livewire/app/navbar.blade.php
+++ b/resources/views/livewire/app/navbar.blade.php
@@ -19,7 +19,7 @@
 				Upload
 			</wa-button>
 
-			<wa-button appearance="plain">
+			<wa-button appearance="plain" href="{{ route('tags.home') }}" wire:navigate.hover>
 				<wa-icon slot="prefix" name="tags"></wa-icon>
 				Tags
 			</wa-button>
diff --git a/resources/views/livewire/pages/profile.blade.php b/resources/views/livewire/pages/profile.blade.php
index e312339..458705a 100644
--- a/resources/views/livewire/pages/profile.blade.php
+++ b/resources/views/livewire/pages/profile.blade.php
@@ -1,25 +1,8 @@
 <div class="wa-stack">
 	<h1>{{ $user->name }}</h1>
 
-	<div class="wa-grid">
-
-		<wa-card>
-			<span class="wa-heading-m">
-				<wa-format-number value="{{ $user->posts->count() }}"></wa-format-number> {{ Str::plural('post', $user->posts->count()) }}
-			</span>
-		</wa-card>
-
-		<wa-card>
-			<span class="wa-heading-m">
-				<wa-format-number value="{{ $user->comments->count() }}"></wa-format-number> {{ Str::plural('comment', $user->comments->count()) }}
-			</span>
-		</wa-card>
-
-		<wa-card>
-			<span class="wa-heading-m">
-				Last seen {{ $user->updated_at->diffForHumans() }}
-			</span>
-		</wa-card>
-
+	<div class="wa-grid" style="--min-column-size: 30ch;">
+		<livewire:app.data-card icon="images" title="Posts" value="{{ $user->posts->count() }}" />
+		<livewire:app.data-card icon="comments" title="Comments" value="{{ $user->comments->count() }}" />
 	</div>
 </div>
diff --git a/resources/views/livewire/posts/edit.blade.php b/resources/views/livewire/posts/edit.blade.php
index 8094373..a36c87e 100644
--- a/resources/views/livewire/posts/edit.blade.php
+++ b/resources/views/livewire/posts/edit.blade.php
@@ -8,7 +8,7 @@
 			<span>Changes are automatically saved.</span>
 		</wa-callout>
 
-		<form wire:submit class="wa-stack">
+		<form wire:submit class="wa-stack wa-gap-xl">
 			<wa-select wire:model.live="rating" label="Rating" value="{{ $post->rating }}" wire:loading.attr="disabled" @error('rating') hint="{{ $message }}" @enderror>
 				<wa-option value="safe">Safe</wa-option>
 				<wa-option value="suggestive">Suggestive</wa-option>
diff --git a/resources/views/livewire/tags/groups.blade.php b/resources/views/livewire/tags/groups.blade.php
new file mode 100644
index 0000000..d9cef1d
--- /dev/null
+++ b/resources/views/livewire/tags/groups.blade.php
@@ -0,0 +1,52 @@
+<div class="wa-stack">
+	<h1 class="wa-cluster wa-gap-3xl" style="--wa-link-decoration-default: none; --wa-color-text-link: var(--wa-color-text-quiet)">
+		<a href="{{ route('tags.home') }}" wire:navigate.hover>Tags</a>
+		<span>Tag groups</span>
+	</h1>
+
+	<div class="wa-flank:end wa-align-items-start">
+
+		{{-- List tag groups --}}
+		<table class="wa-table">
+			<thead>
+				<tr>
+					<td>Name</td>
+					<td>Description</td>
+					<td>Tag count</td>
+					<td>Actions</td>
+				</tr>
+			</thead>
+			<tbody>
+				@foreach ($groups as $group)
+					<tr>
+						<td style="color: {{ $group->color }};">{{ $group->name }}</td>
+						<td>{{ $group->description }}</td>
+						<td><wa-format-number value="{{ $group->tags->count() }}"></wa-format-number> {{ Str::plural('tag', $group->tags->count()) }}</td>
+						<td>
+							<wa-icon-button name="times" style="color: var(--wa-color-danger-on-normal);" href="{{ url("/delete/group/$group->id") }}" wire:navigate></wa-icon-button>
+						</td>
+					</tr>
+				@endforeach
+			</tbody>
+		</table>
+
+		{{-- Create tag group --}}
+		<div class="wa-stack">
+			<span class="wa-heading-m">Create a tag group</span>
+			<form wire:submit="create" class="wa-stack wa-gap-2xl">
+				<wa-input wire:model="name" type="text" label="Group name"></wa-input>
+				<wa-color-picker
+					wire:model="color"
+					label="Group color"
+					swatches="#d0021b; #f5a623; #f8e71c; #8b572a; #7ed321; #417505; #bd10e0; #9013fe; #4a90e2; #50e3c2; #b8e986; #000; #444; #888; #ccc; #fff;">
+				</wa-color-picker>
+				<wa-input wire:model="description" type="text" label="Group description (optional)"></wa-input>
+				<wa-button type="submit" appearance="outlined" variant="brand">
+					<wa-icon name="plus" slot="prefix"></wa-icon>
+					Create tag group
+				</wa-button>
+			</form>
+		</div>
+
+	</div>
+</div>
diff --git a/resources/views/livewire/tags/index.blade.php b/resources/views/livewire/tags/index.blade.php
new file mode 100644
index 0000000..5e581bd
--- /dev/null
+++ b/resources/views/livewire/tags/index.blade.php
@@ -0,0 +1,69 @@
+@php use App\Models\Tag; @endphp
+
+<div class="wa-stack">
+	<h1 class="wa-cluster wa-gap-3xl" style="--wa-link-decoration-default: none; --wa-color-text-link: var(--wa-color-text-quiet)">
+		<span>Tags</span>
+		<a href="{{ route('tags.groups') }}" wire:navigate.hover>Tag groups</a>
+	</h1>
+
+	<div class="wa-flank:end wa-align-items-start">
+		<table class="wa-table">
+			<thead>
+				<tr>
+					<td>Name</td>
+					<td>Implies</td>
+					<td>Post count</td>
+					<td>Actions</td>
+				</tr>
+			</thead>
+			<tbody>
+				{{-- Untagged posts --}}
+				<tr>
+					<td class="wa-caption-m">-- Untagged --</td>
+					<td></td>
+					<td><wa-format-number value="{{ $untaggedPosts->count() }}"></wa-format-number> {{ Str::plural('post', $untaggedPosts->count()) }}</td>
+					<td></td>
+				</tr>
+
+				@foreach ($tags as $tag)
+					<tr>
+						<td style="color: {{ $tag->tagGroup->color }}">{{ $tag->name }}</td>
+						<td>
+							@if ($tag->implies)
+								@foreach ($tag->implies as $impliesTagId)
+									@php $impliedTag = Tag::find($impliesTagId); @endphp
+									<span style="color: {{ $impliedTag->tagGroup->color }}">{{ $impliedTag->name }}</span>
+								@endforeach
+							@endif
+						</td>
+						<td><wa-format-number value="{{ $tag->posts->count() }}"></wa-format-number> {{ Str::plural('post', $tag->posts->count()) }}</td>
+						<td>
+							<wa-icon-button name="times" style="color: var(--wa-color-danger-on-normal);" href="{{ url("/delete/tag/$tag->id") }}" wire:navigate></wa-icon-button>
+						</td>
+					</tr>
+				@endforeach
+			</tbody>
+		</table>
+
+		<div class="wa-stack">
+			<span class="wa-heading-m">Create a tag</span>
+			<form wire:submit="create" class="wa-stack wa-gap-2xl">
+				<wa-input wire:model="name" type="text" label="Tag name" @error('name') hint="{{ $message }}" @enderror></wa-input>
+				<wa-select wire:model="group" label="Tag group" @error('group') hint="{{ $message }}" @enderror>
+					@foreach ($tagGroups as $tagGroup)
+						<wa-option value="{{ $tagGroup->id }}" style="color: {{ $tagGroup->color }};">{{ $tagGroup->name }}</wa-option>
+					@endforeach
+				</wa-select>
+				<wa-select wire:model="implies" label="Implied tags" multiple clearable @error('implies') hint="{{ $message }}" @enderror>
+					@foreach ($tags->all() as $tagToImply)
+						<wa-option value="{{ $tagToImply->id }}" style="color: {{ $tagToImply->tagGroup->color }};">{{ $tagToImply->name }}</wa-option>
+					@endforeach
+				</wa-select>
+				<wa-button type="submit" variant="brand" appearance="outlined">
+					<wa-icon name="plus" slot="prefix"></wa-icon>
+					Create tag
+				</wa-button>
+			</form>
+		</div>
+	</div>
+</div>
diff --git a/routes/web.php b/routes/web.php
index e80bac6..6c97927 100644
--- a/routes/web.php
+++ b/routes/web.php
@@ -7,6 +7,8 @@ use App\Livewire\Pages\Upload as UploadPage;
 use App\Livewire\Posts\Index as PostsPage;
 use App\Livewire\Posts\Edit as EditPost;
 use App\Livewire\Posts\View as ViewPost;
+use App\Livewire\Tags\Index as TagsIndexPage;
+use App\Livewire\Tags\Groups as TagGroupsPage;
 use App\Models\Post;
 use Illuminate\Support\Facades\Route;
 use Illuminate\Support\Facades\Storage;
@@ -29,8 +31,16 @@ Route::middleware('auth')->prefix('posts')->group(function () {
 	});
 });
 
+// Tag routes
+Route::middleware('auth')->prefix('tags')->group(function () {
+	Route::get('/', TagsIndexPage::class)->name('tags.home');
+	Route::get('/groups', TagGroupsPage::class)->name('tags.groups');
+});
+
 // Object deletion routes
 Route::middleware('auth')->prefix('delete')->controller(DeletionController::class)->group(function () {
 	Route::get('comment/{comment}', 'deleteComment');
 	Route::get('post/{post}', 'deletePost');
+	Route::get('tag/{tag}', 'deleteTag');
+	Route::get('group/{tagGroup}', 'deleteTagGroup');
 });