diff --git a/README.md b/README.md
index 6449ea2..45e7036 100644
--- a/README.md
+++ b/README.md
@@ -276,6 +276,7 @@ php artisan feedback:project:list
 php artisan feedback:project:show {key}
 php artisan feedback:project:update {key} --add-origin=https://staging.example.com --color=white --deactivate
 php artisan feedback:project:rotate-key {key}
+php artisan feedback:project:delete {key} [--force] [--by="Name"]
 
 php artisan feedback:list --open --project={key}
 php artisan feedback:show {id}
@@ -309,7 +310,7 @@ Changing commands accept `--by="Name"`, which is recorded in the activity log.
 - **IPs**: single addresses or CIDR ranges, IPv4 and IPv6. No IPs means no restriction. A request must match the origins **and** the IPs.
 - **Visibility**: the widget only appears on pages the API accepts. It asks for the project config first and removes itself on a `403`, so a page outside the origins or IPs never shows a button. If the API cannot be reached, the widget still appears, in black.
 - **Color**: `black`, `white` or a hex value. Text becomes white or dark blue, whichever has more contrast, and button tones are adjusted until they reach 4.5:1.
-- **Daily limit**: `--limit=500` caps the entries per project and day, `--deactivate` / `--activate` switch a project off and on without deleting anything, `rotate-key` replaces a leaked key.
+- **Daily limit**: `--limit=500` caps the entries per project and day, `--deactivate` / `--activate` switch a project off and on without deleting anything, `rotate-key` replaces a leaked key, `feedback:project:delete` removes a project with all its feedback and screenshots for good (asks first, `--force` skips the question).
 
 ## Feedback pages and share links
 
diff --git a/app/Console/Commands/Feedback/DeleteProjectCommand.php b/app/Console/Commands/Feedback/DeleteProjectCommand.php
new file mode 100644
index 0000000..1c2c6ea
--- /dev/null
+++ b/app/Console/Commands/Feedback/DeleteProjectCommand.php
@@ -0,0 +1,51 @@
+<?php
+
+declare(strict_types=1);
+
+namespace App\Console\Commands\Feedback;
+
+use App\Console\Commands\Feedback\Concerns\InteractsWithFeedback;
+use Illuminate\Console\Command;
+
+final class DeleteProjectCommand extends Command
+{
+    use InteractsWithFeedback;
+
+    protected $signature = 'feedback:project:delete
+        {key : Public key or ID}
+        {--force : Delete without asking}
+        {--by= : Name recorded in the activity log}
+        {--json : Output as JSON}';
+
+    protected $description = 'Delete a feedback project with all its feedback and screenshots';
+
+    public function handle(): int
+    {
+        $this->recordActor();
+
+        $project = $this->findProject($this->stringArgument('key'));
+
+        if ($project === null) {
+            return self::FAILURE;
+        }
+
+        $entries = $project->entries()->count();
+
+        if (! $this->option('force') && ! $this->confirm("Delete [{$project->name}] and its {$entries} feedback entries? This cannot be undone.", false)) {
+            $this->components->error('Not deleted. Confirm or pass --force.');
+
+            return self::FAILURE;
+        }
+
+        // Entries and screenshots go with it through ON DELETE CASCADE.
+        $project->delete();
+
+        if ($this->option('json')) {
+            return $this->printJson(['id' => $project->id, 'name' => $project->name, 'public_key' => $project->public_key, 'deleted_entries' => $entries]);
+        }
+
+        $this->components->info("Project [{$project->name}] deleted with {$entries} feedback entries. Its key no longer works.");
+
+        return self::SUCCESS;
+    }
+}
diff --git a/tests/Feature/ProjectCommandsTest.php b/tests/Feature/ProjectCommandsTest.php
index a6d29b3..06095c6 100644
--- a/tests/Feature/ProjectCommandsTest.php
+++ b/tests/Feature/ProjectCommandsTest.php
@@ -4,7 +4,9 @@
 
 use App\Models\FeedbackEntry;
 use App\Models\FeedbackProject;
+use App\Models\FeedbackScreenshot;
 use Illuminate\Support\Facades\Artisan;
+use Spatie\Activitylog\Models\Activity;
 
 function artisanJson(string $command, array $parameters = []): array
 {
@@ -179,3 +181,36 @@ function artisanJson(string $command, array $parameters = []): array
     test()->artisan('feedback:project:rotate-key', ['key' => $old])->assertExitCode(1);
     test()->post("/v1/projects/{$old}/feedback", feedbackPayload(), ['Origin' => TEST_ORIGIN])->assertNotFound();
 });
+
+it('deletes a project with its feedback and screenshots', function (): void {
+    $project = FeedbackProject::factory()->create(['name' => 'Alt']);
+    $other = FeedbackEntry::factory()->create();
+    $entry = FeedbackEntry::factory()->for($project, 'project')->create();
+    FeedbackScreenshot::query()->create(['entry_id' => $entry->id, 'mime' => 'image/png', 'width' => 1, 'height' => 1, 'bytes' => 1, 'sha256' => str_repeat('0', 64), 'data' => 'x']);
+
+    test()->artisan('feedback:project:delete', ['key' => $project->public_key])
+        ->expectsConfirmation('Delete [Alt] and its 1 feedback entries? This cannot be undone.', 'no')
+        ->assertExitCode(1);
+    expect($project->exists())->toBeTrue();
+
+    test()->artisan('feedback:project:delete', ['key' => $project->public_key, '--force' => true, '--by' => 'Anna'])
+        ->expectsOutputToContain('Project [Alt] deleted with 1 feedback entries.')
+        ->assertExitCode(0);
+
+    expect(FeedbackProject::query()->find($project->id))->toBeNull()
+        ->and(FeedbackEntry::query()->pluck('id')->all())->toBe([$other->id])
+        ->and(FeedbackScreenshot::query()->count())->toBe(0)
+        ->and(Activity::query()->where('subject_id', $project->id)->latest('id')->first())
+        ->event->toBe('deleted')
+        ->properties->toArray()->toMatchArray(['by' => 'Anna']);
+
+    test()->post("/v1/projects/{$project->public_key}/feedback", feedbackPayload(), ['Origin' => TEST_ORIGIN])->assertNotFound();
+    test()->artisan('feedback:project:delete', ['key' => $project->id, '--force' => true])->assertExitCode(1);
+});
+
+it('deletes a project as JSON', function (): void {
+    $project = FeedbackProject::factory()->create();
+
+    expect(artisanJson('feedback:project:delete', ['key' => $project->id, '--force' => true]))
+        ->toMatchArray(['id' => $project->id, 'public_key' => $project->public_key, 'deleted_entries' => 0]);
+});