diff --git a/src/Infra/Http/Helpers/RequestHelper.php b/src/Infra/Http/Helpers/RequestHelper.php
new file mode 100644
index 0000000..5668b7a
--- /dev/null
+++ b/src/Infra/Http/Helpers/RequestHelper.php
@@ -0,0 +1,47 @@
+<?php
+
+declare(strict_types=1);
+
+namespace Infra\Http\Helpers;
+
+use Illuminate\Http\Request as HttpRequest;
+use League\Uri\Http;
+use Shared\Pagination;
+
+final class RequestHelper
+{
+    private function __construct()
+    {
+        // Static class
+    }
+
+    public static function pagination(HttpRequest $request, int $defaultPageSize = 25): Pagination
+    {
+        if ($request->has('offset') || $request->has('limit')) {
+            return Pagination::ofOffsetAndLimit(
+                $request->integer('offset', 0),
+                $request->integer('limit', $defaultPageSize)
+            );
+        }
+
+        $pageSize = $request->integer(
+            'pageSize',
+            $request->integer('per_page', $request->integer('pagination', $defaultPageSize))
+        );
+
+        return Pagination::ofPage(
+            $request->integer('page', 1),
+            $pageSize
+        );
+    }
+
+    public static function toLeagueUri(HttpRequest $request): Http
+    {
+        return Http::new($request->url());
+    }
+
+    public static function toLeagueFullUri(HttpRequest $request): Http
+    {
+        return Http::new($request->fullUrl());
+    }
+}
diff --git a/src/Infra/Providers/AppServiceProvider.php b/src/Infra/Providers/AppServiceProvider.php
index 8c2ad28..8dec855 100644
--- a/src/Infra/Providers/AppServiceProvider.php
+++ b/src/Infra/Providers/AppServiceProvider.php
@@ -4,10 +4,8 @@ declare(strict_types=1);
 
 namespace Infra\Providers;
 
-use Carbon\CarbonInterface;
 use Illuminate\Cache\RateLimiting\Limit;
 use Illuminate\Database\Eloquent\Model;
-use Illuminate\Http\Request as HttpRequest;
 use Illuminate\Http\Request as IlluminateRequest;
 use Illuminate\Support\Facades\Config;
 use Illuminate\Support\Facades\Date;
@@ -15,6 +13,7 @@ use Illuminate\Support\Facades\RateLimiter;
 use Illuminate\Support\Facades\Request;
 use Illuminate\Support\Facades\URL;
 use Illuminate\Support\ServiceProvider;
+use Infra\Http\Helpers\RequestHelper;
 use League\Uri\Http;
 use Shared\Pagination;
 
@@ -56,93 +55,30 @@ class AppServiceProvider extends ServiceProvider
         Date::setLocale(Config::string('app.locale'));
         Date::setFallbackLocale(Config::string('app.fallback_locale'));
 
-        $provider = $this;
-
-        Date::macro('toLocalInput', function (CarbonInterface | \DateTimeInterface | int | float | string | null $date) use ($provider): ?string {
-            return $provider->toLocalInput($date);
+        Request::macro('pagination', function (int $defaultPageSize = 25): Pagination {
+            /** @var \Illuminate\Http\Request $this */
+            return RequestHelper::pagination($this, $defaultPageSize);
         });
 
-        Date::macro('forHumans', function (CarbonInterface | \DateTimeInterface | int | float | string | null $date) use ($provider): ?string {
-            return $provider->forHumans($date);
+        Request::macro('toLeagueUri', function (): Http {
+            /** @var \Illuminate\Http\Request $this */
+            return RequestHelper::toLeagueUri($this);
         });
 
-        Request::macro('pagination', function (int $defaultPageSize = 25) use ($provider): Pagination {
-            return $provider->pagination(request(), $defaultPageSize);
-        });
-
-        Request::macro('toLeagueUri', function () use ($provider): Http {
-            return $provider->toLeagueUri(request());
-        });
-
-        Request::macro('toLeagueFullUri', function () use ($provider): Http {
-            return $provider->toLeagueFullUri(request());
+        Request::macro('toLeagueFullUri', function (): Http {
+            /** @var \Illuminate\Http\Request $this */
+            return RequestHelper::toLeagueFullUri($this);
         });
     }
 
     protected function configureRateLimiting(): void
     {
-        RateLimiter::for('web', function (IlluminateRequest $request) {
+        RateLimiter::for('web', function (IlluminateRequest $_) {
             return Limit::perMinute(Config::integer('throttles.web'))->by(resolve('clientIp'));
         });
 
-        RateLimiter::for('api.v1', function (IlluminateRequest $request) {
+        RateLimiter::for('api.v1', function (IlluminateRequest $_) {
             return Limit::perMinute(Config::integer('throttles.api.v1'))->by(resolve('clientIp'));
         });
     }
-
-    public function toLocalInput(CarbonInterface | \DateTimeInterface | int | float | string | null $date): ?string
-    {
-        if ($date === null) {
-            return null;
-        }
-
-        $timezone = request()->string('client_timezone', 'Europe/Paris')->value();
-
-        return Date::parse($date)
-            ->setTimezone($timezone)
-            ->format('Y-m-d\TH:i');
-    }
-
-    public function forHumans(CarbonInterface | \DateTimeInterface | int | float | string | null $date): ?string
-    {
-        if ($date === null) {
-            return null;
-        }
-
-        $timezone = request()->string('client_timezone', 'Europe/Paris')->value();
-
-        return Date::parse($date)
-            ->setTimezone($timezone)
-            ->isoFormat('ddd DD/MM/Y \à HH:mm');
-    }
-
-    public function pagination(HttpRequest $request, int $defaultPageSize): Pagination
-    {
-        if ($request->has('offset') || $request->has('limit')) {
-            return Pagination::ofOffsetAndLimit(
-                $request->integer('offset', 0),
-                $request->integer('limit', $defaultPageSize)
-            );
-        }
-
-        $pageSize = $request->integer(
-            'pageSize',
-            $request->integer('per_page', $request->integer('pagination', $defaultPageSize))
-        );
-
-        return Pagination::ofPage(
-            $request->integer('page', 1),
-            $pageSize
-        );
-    }
-
-    public function toLeagueUri(HttpRequest $request): Http
-    {
-        return Http::new($request->url());
-    }
-
-    public function toLeagueFullUri(HttpRequest $request): Http
-    {
-        return Http::new($request->fullUrl());
-    }
 }
diff --git a/tests/Unit/Infra/Http/Helpers/RequestHelperTest.php b/tests/Unit/Infra/Http/Helpers/RequestHelperTest.php
new file mode 100644
index 0000000..9c80e39
--- /dev/null
+++ b/tests/Unit/Infra/Http/Helpers/RequestHelperTest.php
@@ -0,0 +1,116 @@
+<?php
+
+declare(strict_types=1);
+
+namespace Tests\Unit\Infra\Http\Helpers;
+
+use Illuminate\Http\Request as HttpRequest;
+use Infra\Http\Helpers\RequestHelper;
+use League\Uri\Http;
+use Shared\Pagination;
+
+covers(RequestHelper::class);
+
+describe('RequestHelper Unit Tests', function (): void {
+    it('prevents direct instantiation but covers constructor', function (): void {
+        // GIVEN
+        $reflection = new \ReflectionClass(RequestHelper::class);
+
+        // WHEN
+        $constructor = $reflection->getConstructor();
+        $constructor?->invoke($reflection->newInstanceWithoutConstructor());
+
+        // THEN
+        expect(fn () => $reflection->newInstance())
+            ->toThrow(\ReflectionException::class);
+    });
+
+    it('creates offset and limit pagination when offset or limit query param is present', function (): void {
+        // GIVEN
+        $request = HttpRequest::create('/api/v1/employees?offset=10&limit=50', 'GET');
+
+        // WHEN
+        $pagination = RequestHelper::pagination($request, 25);
+
+        // THEN
+        expect($pagination)->toBeInstanceOf(Pagination::class)
+            ->and($pagination->from())->toBe(10)
+            ->and($pagination->to())->toBe(59);
+    });
+
+    it('creates page and page size pagination using pageSize query param', function (): void {
+        // GIVEN
+        $request = HttpRequest::create('/api/v1/employees?page=2&pageSize=15', 'GET');
+
+        // WHEN
+        $pagination = RequestHelper::pagination($request, 25);
+
+        // THEN
+        expect($pagination)->toBeInstanceOf(Pagination::class)
+            ->and($pagination->from())->toBe(15)
+            ->and($pagination->to())->toBe(29);
+    });
+
+    it('creates page and page size pagination using per_page query param fallback', function (): void {
+        // GIVEN
+        $request = HttpRequest::create('/api/v1/employees?page=3&per_page=20', 'GET');
+
+        // WHEN
+        $pagination = RequestHelper::pagination($request, 25);
+
+        // THEN
+        expect($pagination)->toBeInstanceOf(Pagination::class)
+            ->and($pagination->from())->toBe(40)
+            ->and($pagination->to())->toBe(59);
+    });
+
+    it('creates page and page size pagination using pagination query param fallback', function (): void {
+        // GIVEN
+        $request = HttpRequest::create('/api/v1/employees?page=1&pagination=30', 'GET');
+
+        // WHEN
+        $pagination = RequestHelper::pagination($request, 25);
+
+        // THEN
+        expect($pagination)->toBeInstanceOf(Pagination::class)
+            ->and($pagination->from())->toBe(0)
+            ->and($pagination->to())->toBe(29);
+    });
+
+    it('uses default page size when no pagination parameters are supplied', function (): void {
+        // GIVEN
+        $request = HttpRequest::create('/api/v1/employees', 'GET');
+
+        // WHEN
+        $pagination = RequestHelper::pagination($request, 25);
+
+        // THEN
+        expect($pagination)->toBeInstanceOf(Pagination::class)
+            ->and($pagination->from())->toBe(0)
+            ->and($pagination->to())->toBe(24);
+    });
+
+    it('converts request URL to League Uri instance', function (): void {
+        // GIVEN
+        $request = HttpRequest::create('http://localhost/api/v1/employees?foo=bar', 'GET');
+
+        // WHEN
+        $uri = RequestHelper::toLeagueUri($request);
+
+        // THEN
+        expect($uri)->toBeInstanceOf(Http::class)
+            ->and((string) $uri)->toBe('http://localhost/api/v1/employees');
+    });
+
+    it('converts full request URL with query parameters to League Uri instance', function (): void {
+        // GIVEN
+        $request = HttpRequest::create('http://localhost/api/v1/employees?page=2&pageSize=10', 'GET');
+
+        // WHEN
+        $uri = RequestHelper::toLeagueFullUri($request);
+
+        // THEN
+        expect($uri)->toBeInstanceOf(Http::class)
+            ->and((string) $uri)->toBe('http://localhost/api/v1/employees?page=2&pageSize=10');
+    });
+});