diff --git a/README.md b/README.md
index ebd1571..50c1288 100644
--- a/README.md
+++ b/README.md
@@ -204,7 +204,7 @@ $filename = Gotenberg::save($request, '/path/to/saving/directory');
 ```
 
 It returns the filename of the resulting file. By default, Gotenberg creates a *UUID* filename (i.e., 
-`95cd9945-484f-4f89-8bdb-23dbdd0bdea9`) with either a `.zip` or a `.pdf` file extension.
+`95cd9945-484f-4f89-8bdb-23dbdd0bdea9`) with either a `.zip` or a `.pdf` file extension (or image formats for screenshots).
 
 You may also explicitly set the HTTP client:
 
diff --git a/composer.json b/composer.json
index 2075d86..c617bb4 100644
--- a/composer.json
+++ b/composer.json
@@ -42,10 +42,10 @@
     "psr/http-message": "^1.0|^2.0"
   },
   "require-dev": {
-    "doctrine/coding-standard": "^12.0",
-    "pestphp/pest": "^2.28",
+    "doctrine/coding-standard": "^14.0",
+    "pestphp/pest": "^2.36",
     "phpstan/phpstan": "^1.12",
-    "squizlabs/php_codesniffer": "^3.10"
+    "squizlabs/php_codesniffer": "^4.0"
   },
   "autoload": {
     "psr-4": {
diff --git a/src/DownloadFrom.php b/src/DownloadFrom.php
index acc1740..3d0cddb 100644
--- a/src/DownloadFrom.php
+++ b/src/DownloadFrom.php
@@ -12,14 +12,16 @@ class DownloadFrom implements JsonSerializable
     public function __construct(
         public readonly string $url,
         public readonly array|null $extraHttpHeaders = null,
+        public readonly bool $embedded = false,
     ) {
     }
 
-    /** @return array<string,string|array<string,string>> */
+    /** @return array<string, array<string,string>|bool|string> */
     public function jsonSerialize(): array
     {
         $serialized = [
             'url' => $this->url,
+            'embedded' => $this->embedded,
         ];
 
         if (! empty($this->extraHttpHeaders)) {
diff --git a/src/Modules/ChromiumPdf.php b/src/Modules/ChromiumPdf.php
index ba6676a..e1dac3b 100644
--- a/src/Modules/ChromiumPdf.php
+++ b/src/Modules/ChromiumPdf.php
@@ -215,6 +215,39 @@ public function metadata(array $metadata): self
         return $this;
     }
 
+    /**
+     * Defines whether the resulting PDF should be flattened.
+     */
+    public function flatten(): self
+    {
+        $this->formValue('flatten', true);
+
+        return $this;
+    }
+
+    /**
+     * Defines whether the resulting PDF should be encrypted.
+     */
+    public function encrypt(string $userPassword, string $ownerPassword = ''): self
+    {
+        $this->formValue('userPassword', $userPassword);
+        $this->formValue('ownerPassword', $ownerPassword);
+
+        return $this;
+    }
+
+    /**
+     * Sets the file to embed in the resulting PDF.
+     */
+    public function embeds(Stream ...$embeds): self
+    {
+        foreach ($embeds as $embed) {
+            $this->formFile($embed->getFilename(), $embed->getStream(), 'embeds');
+        }
+
+        return $this;
+    }
+
     /**
      * Converts a target URL to PDF.
      *
diff --git a/src/Modules/LibreOffice.php b/src/Modules/LibreOffice.php
index e5b9adf..4ebc47e 100644
--- a/src/Modules/LibreOffice.php
+++ b/src/Modules/LibreOffice.php
@@ -358,6 +358,29 @@ public function flatten(): self
         return $this;
     }
 
+    /**
+     * Defines whether the resulting PDF should be encrypted.
+     */
+    public function encrypt(string $userPassword, string $ownerPassword = ''): self
+    {
+        $this->formValue('userPassword', $userPassword);
+        $this->formValue('ownerPassword', $ownerPassword);
+
+        return $this;
+    }
+
+    /**
+     * Sets the file to embed in the resulting PDF.
+     */
+    public function embeds(Stream ...$embeds): self
+    {
+        foreach ($embeds as $embed) {
+            $this->formFile($embed->getFilename(), $embed->getStream(), 'embeds');
+        }
+
+        return $this;
+    }
+
     /**
      * Converts the given document(s) to PDF(s). Gotenberg will return either
      * a unique PDF if you request a merge or a ZIP archive with the PDFs.
diff --git a/src/Modules/PdfEngines.php b/src/Modules/PdfEngines.php
index 3290f7d..9e107d2 100644
--- a/src/Modules/PdfEngines.php
+++ b/src/Modules/PdfEngines.php
@@ -81,6 +81,30 @@ public function flattening(): self
         return $this;
     }
 
+    /**
+     * Defines whether the resulting PDF should be encrypted.
+     * Prefer the encrypt method if you only want to encrypt one or more PDFs.
+     */
+    public function encrypting(string $userPassword, string $ownerPassword = ''): self
+    {
+        $this->formValue('userPassword', $userPassword);
+        $this->formValue('ownerPassword', $ownerPassword);
+
+        return $this;
+    }
+
+    /**
+     * Sets the file to embed in the resulting PDF.
+     */
+    public function embeds(Stream ...$embeds): self
+    {
+        foreach ($embeds as $embed) {
+            $this->formFile($embed->getFilename(), $embed->getStream(), 'embeds');
+        }
+
+        return $this;
+    }
+
     /**
      * Merges PDFs into a unique PDF.
      *
@@ -186,4 +210,42 @@ public function writeMetadata(array $metadata, Stream ...$pdfs): RequestInterfac
 
         return $this->request();
     }
+
+    /**
+     * Allows encrypting one or more PDF.
+     *
+     * @throws NativeFunctionErrored
+     */
+    public function encrypt(string $userPassword, string $ownerPassword = '', Stream ...$pdfs): RequestInterface
+    {
+        $this->encrypting($userPassword, $ownerPassword);
+
+        foreach ($pdfs as $pdf) {
+            $this->formFile($pdf->getFilename(), $pdf->getStream());
+        }
+
+        $this->endpoint = '/forms/pdfengines/encrypt';
+
+        return $this->request();
+    }
+
+    /**
+     * Allows embedding one or more files to one or more PDF.
+     *
+     * @param Stream[] $embeds
+     *
+     * @throws NativeFunctionErrored
+     */
+    public function embed(array $embeds, Stream ...$pdfs): RequestInterface
+    {
+        foreach ($pdfs as $pdf) {
+            $this->formFile($pdf->getFilename(), $pdf->getStream());
+        }
+
+        $this->embeds(...$embeds);
+
+        $this->endpoint = '/forms/pdfengines/embed';
+
+        return $this->request();
+    }
 }
diff --git a/src/MultipartFormDataModule.php b/src/MultipartFormDataModule.php
index e0c54cd..80087b8 100644
--- a/src/MultipartFormDataModule.php
+++ b/src/MultipartFormDataModule.php
@@ -118,10 +118,10 @@ protected function formValue(string $name, mixed $value): self
         return $this;
     }
 
-    protected function formFile(string $filename, StreamInterface $stream): void
+    protected function formFile(string $filename, StreamInterface $stream, string $name = 'files'): void
     {
         $this->multipartFormData[] = [
-            'name' => 'files',
+            'name' => $name,
             'filename' => $filename,
             'contents' => $stream,
         ];
diff --git a/tests/Modules/ChromiumPdfTest.php b/tests/Modules/ChromiumPdfTest.php
index 68c8f65..e0c467b 100644
--- a/tests/Modules/ChromiumPdfTest.php
+++ b/tests/Modules/ChromiumPdfTest.php
@@ -17,6 +17,7 @@
      * @param int[] $failOnHttpStatusCodes
      * @param int[] $failOnResourceHttpStatusCodes
      * @param array<string,string|bool|float|int|array<string>> $metadata
+     * @param Stream[] $embeds
      * @param Stream[] $assets
      */
     function (
@@ -53,6 +54,10 @@ function (
         string|null $pdfa = null,
         bool $pdfua = false,
         array $metadata = [],
+        bool $flatten = false,
+        string $userPassword = '',
+        string $ownerPassword = '',
+        array $embeds = [],
         array $assets = [],
     ): void {
         $chromium = Gotenberg::chromium('')->pdf();
@@ -90,6 +95,10 @@ function (
             $pdfa,
             $pdfua,
             $metadata,
+            $flatten,
+            $userPassword,
+            $ownerPassword,
+            $embeds,
             $assets,
         );
 
@@ -133,6 +142,10 @@ function (
             $pdfa,
             $pdfua,
             $metadata,
+            $flatten,
+            $userPassword,
+            $ownerPassword,
+            $embeds,
             $assets,
         );
     },
@@ -179,6 +192,13 @@ function (
         'PDF/A-1a',
         true,
         [ 'Producer' => 'Gotenberg' ],
+        true,
+        'my_user_password',
+        'my_owner_password',
+        [
+            Stream::string('my.xml', 'XML content'),
+            Stream::string('my_second.xml', 'Second XML content'),
+        ],
         [
             Stream::string('my.jpg', 'Image content'),
         ],
@@ -193,6 +213,7 @@ function (
      * @param int[] $failOnHttpStatusCodes
      * @param int[] $failOnResourceHttpStatusCodes
      * @param array<string,string|bool|float|int|array<string>> $metadata
+     * @param Stream[] $embeds
      * @param Stream[] $assets
      */
     function (
@@ -229,6 +250,10 @@ function (
         string|null $pdfa = null,
         bool $pdfua = false,
         array $metadata = [],
+        bool $flatten = false,
+        string $userPassword = '',
+        string $ownerPassword = '',
+        array $embeds = [],
         array $assets = [],
     ): void {
         $chromium = Gotenberg::chromium('')->pdf();
@@ -266,6 +291,10 @@ function (
             $pdfa,
             $pdfua,
             $metadata,
+            $flatten,
+            $userPassword,
+            $ownerPassword,
+            $embeds,
             $assets,
         );
 
@@ -311,6 +340,10 @@ function (
             $pdfa,
             $pdfua,
             $metadata,
+            $flatten,
+            $userPassword,
+            $ownerPassword,
+            $embeds,
             $assets,
         );
     },
@@ -356,6 +389,13 @@ function (
         'PDF/A-1a',
         true,
         [ 'Producer' => 'Gotenberg' ],
+        true,
+        'my_user_password',
+        'my_owner_password',
+        [
+            Stream::string('my.xml', 'XML content'),
+            Stream::string('my_second.xml', 'Second XML content'),
+        ],
         [
             Stream::string('my.jpg', 'Image content'),
         ],
@@ -371,6 +411,7 @@ function (
      * @param int[] $failOnResourceHttpStatusCodes
      * @param Stream[] $markdowns
      * @param array<string,string|bool|float|int|array<string>> $metadata
+     * @param Stream[] $embeds
      * @param Stream[] $assets
      */
     function (
@@ -408,6 +449,10 @@ function (
         string|null $pdfa = null,
         bool $pdfua = false,
         array $metadata = [],
+        bool $flatten = false,
+        string $userPassword = '',
+        string $ownerPassword = '',
+        array $embeds = [],
         array $assets = [],
     ): void {
         $chromium = Gotenberg::chromium('')->pdf();
@@ -445,6 +490,10 @@ function (
             $pdfa,
             $pdfua,
             $metadata,
+            $flatten,
+            $userPassword,
+            $ownerPassword,
+            $embeds,
             $assets,
         );
 
@@ -495,6 +544,10 @@ function (
             $pdfa,
             $pdfua,
             $metadata,
+            $flatten,
+            $userPassword,
+            $ownerPassword,
+            $embeds,
             $assets,
         );
     },
@@ -549,6 +602,13 @@ function (
         'PDF/A-1a',
         true,
         [ 'Producer' => 'Gotenberg' ],
+        true,
+        'my_user_password',
+        'my_owner_password',
+        [
+            Stream::string('my.xml', 'XML content'),
+            Stream::string('my_second.xml', 'Second XML content'),
+        ],
         [
             Stream::string('my.jpg', 'Image content'),
         ],
@@ -561,6 +621,7 @@ function (
  * @param int[]                                             $failOnHttpStatusCodes
  * @param int[]                                             $failOnResourceHttpStatusCodes
  * @param array<string,string|bool|float|int|array<string>> $metadata
+ * @param Stream[]                                          $embeds
  * @param Stream[]                                          $assets
  */
 function hydrateChromiumPdfFormData(
@@ -597,6 +658,10 @@ function hydrateChromiumPdfFormData(
     string|null $pdfa = null,
     bool $pdfua = false,
     array $metadata = [],
+    bool $flatten = false,
+    string $userPassword = '',
+    string $ownerPassword = '',
+    array $embeds = [],
     array $assets = [],
 ): ChromiumPdf {
     if ($singlePage) {
@@ -715,6 +780,18 @@ function hydrateChromiumPdfFormData(
         $chromium->metadata($metadata);
     }
 
+    if ($flatten) {
+        $chromium->flatten();
+    }
+
+    if ($userPassword !== '') {
+        $chromium->encrypt($userPassword, $ownerPassword);
+    }
+
+    if (count($embeds) > 0) {
+        $chromium->embeds(...$embeds);
+    }
+
     if (count($assets) > 0) {
         $chromium->assets(...$assets);
     }
@@ -728,6 +805,7 @@ function hydrateChromiumPdfFormData(
  * @param int[]                                             $failOnHttpStatusCodes
  * @param int[]                                             $failOnResourceHttpStatusCodes
  * @param array<string,string|bool|float|int|array<string>> $metadata
+ * @param Stream[]                                          $embeds
  * @param Stream[]                                          $assets
  */
 function expectChromiumPdfOptions(
@@ -764,6 +842,10 @@ function expectChromiumPdfOptions(
     string|null $pdfa,
     bool $pdfua,
     array $metadata,
+    bool $flatten,
+    string $userPassword,
+    string $ownerPassword,
+    array $embeds,
     array $assets,
 ): void {
     expect($body)->unless($singlePage === false, fn ($body) => $body->toContainFormValue('singlePage', '1'));
@@ -865,6 +947,15 @@ function expectChromiumPdfOptions(
         expect($body)->toContainFormValue('metadata', $json);
     }
 
+    expect($body)->unless($flatten === false, fn ($body) => $body->toContainFormValue('flatten', '1'));
+    expect($body)->unless($userPassword === '', fn ($body) => $body->toContainFormValue('userPassword', $userPassword));
+    expect($body)->unless($userPassword === '', fn ($body) => $body->toContainFormValue('ownerPassword', $ownerPassword));
+
+    foreach ($embeds as $embed) {
+        $embed->getStream()->rewind();
+        expect($body)->toContainFormFile($embed->getFilename(), $embed->getStream()->getContents(), 'application/xml', 'embeds');
+    }
+
     if (count($assets) <= 0) {
         return;
     }
diff --git a/tests/Modules/LibreOfficeTest.php b/tests/Modules/LibreOfficeTest.php
index 4350468..2078973 100644
--- a/tests/Modules/LibreOfficeTest.php
+++ b/tests/Modules/LibreOfficeTest.php
@@ -13,6 +13,7 @@
     /**
      * @param Stream[] $files
      * @param array<string,string|bool|float|int|array<string>> $metadata
+     * @param Stream[] $embeds
      */
     function (
         array $files,
@@ -45,6 +46,9 @@ function (
         array $metadata = [],
         bool $merge = false,
         bool $flatten = false,
+        string $userPassword = '',
+        string $ownerPassword = '',
+        array $embeds = [],
     ): void {
         $libreOffice = Gotenberg::libreOffice('');
 
@@ -166,6 +170,14 @@ function (
             $libreOffice->flatten();
         }
 
+        if ($userPassword !== '') {
+            $libreOffice->encrypt($userPassword, $ownerPassword);
+        }
+
+        if (count($embeds) > 0) {
+            $libreOffice->embeds(...$embeds);
+        }
+
         $request = $libreOffice->convert(...$files);
         $body    = sanitize($request->getBody()->getContents());
 
@@ -204,6 +216,8 @@ function (
         expect($body)->unless($pdfua === false, fn ($body) => $body->toContainFormValue('pdfua', '1'));
         expect($body)->unless($merge === false, fn ($body) => $body->toContainFormValue('merge', '1'));
         expect($body)->unless($flatten === false, fn ($body) => $body->toContainFormValue('flatten', '1'));
+        expect($body)->unless($userPassword === '', fn ($body) => $body->toContainFormValue('userPassword', $userPassword));
+        expect($body)->unless($userPassword === '', fn ($body) => $body->toContainFormValue('ownerPassword', $ownerPassword));
 
         if (count($metadata) > 0) {
             $json = json_encode($metadata);
@@ -220,6 +234,11 @@ function (
 
             expect($body)->toContainFormFile($filename, $file->getStream()->getContents(), 'application/vnd.openxmlformats-officedocument.wordprocessingml.document');
         }
+
+        foreach ($embeds as $embed) {
+            $embed->getStream()->rewind();
+            expect($body)->toContainFormFile($embed->getFilename(), $embed->getStream()->getContents(), 'application/xml', 'embeds');
+        }
     },
 )->with([
     [
@@ -261,5 +280,11 @@ function (
         [ 'Producer' => 'Gotenberg' ],
         true,
         true,
+        'my_user_password',
+        'my_owner_password',
+        [
+            Stream::string('my.xml', 'XML content'),
+            Stream::string('my_second.xml', 'Second XML content'),
+        ],
     ],
 ]);
diff --git a/tests/Modules/PdfEnginesTest.php b/tests/Modules/PdfEnginesTest.php
index 8ab07ea..936e781 100644
--- a/tests/Modules/PdfEnginesTest.php
+++ b/tests/Modules/PdfEnginesTest.php
@@ -13,8 +13,9 @@
     /**
      * @param Stream[] $pdfs
      * @param array<string,string|bool|float|int|array<string>> $metadata
+     * @param Stream[] $embeds
      */
-    function (array $pdfs, string|null $pdfa = null, bool $pdfua = false, array $metadata = [], bool $flatten = false): void {
+    function (array $pdfs, string|null $pdfa = null, bool $pdfua = false, array $metadata = [], bool $flatten = false, string $userPassword = '', string $ownerPassword = '', array $embeds = []): void {
         $pdfEngines = Gotenberg::pdfEngines('')->index(new DummyIndex());
 
         if ($pdfa !== null) {
@@ -33,6 +34,14 @@ function (array $pdfs, string|null $pdfa = null, bool $pdfua = false, array $met
             $pdfEngines->flattening();
         }
 
+        if ($userPassword !== '') {
+            $pdfEngines->encrypting($userPassword, $ownerPassword);
+        }
+
+        if (count($embeds) > 0) {
+            $pdfEngines->embeds(...$embeds);
+        }
+
         $request = $pdfEngines->merge(...$pdfs);
         $body    = sanitize($request->getBody()->getContents());
 
@@ -50,11 +59,18 @@ function (array $pdfs, string|null $pdfa = null, bool $pdfua = false, array $met
         }
 
         expect($body)->unless($flatten === false, fn ($body) => $body->toContainFormValue('flatten', '1'));
+        expect($body)->unless($userPassword === '', fn ($body) => $body->toContainFormValue('userPassword', $userPassword));
+        expect($body)->unless($userPassword === '', fn ($body) => $body->toContainFormValue('ownerPassword', $ownerPassword));
 
         foreach ($pdfs as $pdf) {
             $pdf->getStream()->rewind();
             expect($body)->toContainFormFile('foo_' . $pdf->getFilename(), $pdf->getStream()->getContents(), 'application/pdf');
         }
+
+        foreach ($embeds as $embed) {
+            $embed->getStream()->rewind();
+            expect($body)->toContainFormFile($embed->getFilename(), $embed->getStream()->getContents(), 'application/xml', 'embeds');
+        }
     },
 )->with([
     [
@@ -73,13 +89,22 @@ function (array $pdfs, string|null $pdfa = null, bool $pdfua = false, array $met
         true,
         [ 'Producer' => 'Gotenberg' ],
         true,
+        'my_user_password',
+        'my_owner_password',
+        [
+            Stream::string('my.xml', 'XML content'),
+            Stream::string('my_second.xml', 'Second XML content'),
+        ],
     ],
 ]);
 
 it(
     'creates a valid request for the "/forms/pdfengines/split" endpoint',
-    /** @param Stream[] $pdfs */
-    function (array $pdfs, SplitMode $mode, string|null $pdfa = null, bool $pdfua = false, array $metadata = [], bool $flatten = false): void {
+    /**
+     * @param Stream[] $pdfs
+     * @param Stream[] $embeds
+     */
+    function (array $pdfs, SplitMode $mode, string|null $pdfa = null, bool $pdfua = false, array $metadata = [], bool $flatten = false, string $userPassword = '', string $ownerPassword = '', array $embeds = []): void {
         $pdfEngines = Gotenberg::pdfEngines('');
 
         if ($pdfa !== null) {
@@ -98,6 +123,14 @@ function (array $pdfs, SplitMode $mode, string|null $pdfa = null, bool $pdfua =
             $pdfEngines->flattening();
         }
 
+        if ($userPassword !== '') {
+            $pdfEngines->encrypting($userPassword, $ownerPassword);
+        }
+
+        if (count($embeds) > 0) {
+            $pdfEngines->embeds(...$embeds);
+        }
+
         $request = $pdfEngines->split($mode, ...$pdfs);
         $body    = sanitize($request->getBody()->getContents());
 
@@ -118,11 +151,18 @@ function (array $pdfs, SplitMode $mode, string|null $pdfa = null, bool $pdfua =
         }
 
         expect($body)->unless($flatten === false, fn ($body) => $body->toContainFormValue('flatten', '1'));
+        expect($body)->unless($userPassword === '', fn ($body) => $body->toContainFormValue('userPassword', $userPassword));
+        expect($body)->unless($userPassword === '', fn ($body) => $body->toContainFormValue('ownerPassword', $ownerPassword));
 
         foreach ($pdfs as $pdf) {
             $pdf->getStream()->rewind();
             expect($body)->toContainFormFile($pdf->getFilename(), $pdf->getStream()->getContents(), 'application/pdf');
         }
+
+        foreach ($embeds as $embed) {
+            $embed->getStream()->rewind();
+            expect($body)->toContainFormFile($embed->getFilename(), $embed->getStream()->getContents(), 'application/xml', 'embeds');
+        }
     },
 )->with([
     [
@@ -142,6 +182,12 @@ function (array $pdfs, SplitMode $mode, string|null $pdfa = null, bool $pdfua =
         true,
         [ 'Producer' => 'Gotenberg' ],
         true,
+        'my_user_password',
+        'my_owner_password',
+        [
+            Stream::string('my.xml', 'XML content'),
+            Stream::string('my_second.xml', 'Second XML content'),
+        ],
     ],
 ]);
 
@@ -266,3 +312,69 @@ function (array $metadata, array $pdfs): void {
         ],
     ],
 ]);
+
+it(
+    'creates a valid request for the "/forms/pdfengines/encrypt" endpoint',
+    /** @param Stream[] $pdfs */
+    function (string $userPassword, string $ownerPassword, array $pdfs): void {
+        $pdfEngines = Gotenberg::pdfEngines('');
+
+        $request = $pdfEngines->encrypt($userPassword, $ownerPassword, ...$pdfs);
+        $body    = sanitize($request->getBody()->getContents());
+
+        expect($request->getUri()->getPath())->toBe('/forms/pdfengines/encrypt');
+        expect($body)->toContainFormValue('userPassword', $userPassword);
+        expect($body)->toContainFormValue('ownerPassword', $ownerPassword);
+
+        foreach ($pdfs as $pdf) {
+            $pdf->getStream()->rewind();
+            expect($body)->toContainFormFile($pdf->getFilename(), $pdf->getStream()->getContents(), 'application/pdf');
+        }
+    },
+)->with([
+    [
+        'my_user_password',
+        'my_owner_password',
+        [
+            Stream::string('my.pdf', 'PDF content'),
+            Stream::string('my_second.pdf', 'Second PDF content'),
+        ],
+    ],
+]);
+
+it(
+    'creates a valid request for the "/forms/pdfengines/embed" endpoint',
+    /**
+     * @param Stream[] $pdfs
+     * @param Stream[] $embeds
+     */
+    function (array $embeds, array $pdfs): void {
+        $pdfEngines = Gotenberg::pdfEngines('');
+
+        $request = $pdfEngines->embed($embeds, ...$pdfs);
+        $body    = sanitize($request->getBody()->getContents());
+
+        expect($request->getUri()->getPath())->toBe('/forms/pdfengines/embed');
+
+        foreach ($pdfs as $pdf) {
+            $pdf->getStream()->rewind();
+            expect($body)->toContainFormFile($pdf->getFilename(), $pdf->getStream()->getContents(), 'application/pdf');
+        }
+
+        foreach ($embeds as $embed) {
+            $embed->getStream()->rewind();
+            expect($body)->toContainFormFile($embed->getFilename(), $embed->getStream()->getContents(), 'application/xml', 'embeds');
+        }
+    },
+)->with([
+    [
+        [
+            Stream::string('my.xml', 'XML content'),
+            Stream::string('my_second.xml', 'Second XML content'),
+        ],
+        [
+            Stream::string('my.pdf', 'PDF content'),
+            Stream::string('my_second.pdf', 'Second PDF content'),
+        ],
+    ],
+]);
diff --git a/tests/MultipartFormDataModuleTest.php b/tests/MultipartFormDataModuleTest.php
index ec48438..19437f0 100644
--- a/tests/MultipartFormDataModuleTest.php
+++ b/tests/MultipartFormDataModuleTest.php
@@ -14,7 +14,7 @@ function (): void {
             ->outputFilename('my_filename')
             ->downloadFrom([
                 new DownloadFrom('https://my.url/my_filename'),
-                new DownloadFrom('https://my.url/my_filename_2', ['X-Header' => 'value']),
+                new DownloadFrom('https://my.url/my_filename_2', ['X-Header' => 'value'], true),
             ])
             ->webhook('https://my.webhook.url', 'https://my.webhook.error.url')
             ->webhookMethod('POST')
@@ -27,7 +27,7 @@ function (): void {
 
         expect($request->getHeader('Gotenberg-Output-Filename'))->toMatchArray(['my_filename']);
 
-        expect(sanitize($request->getBody()->getContents()))->toContainFormValue('downloadFrom', '[{"url":"https:\/\/my.url\/my_filename"},{"url":"https:\/\/my.url\/my_filename_2","extraHttpHeaders":{"X-Header":"value"}}]');
+        expect(sanitize($request->getBody()->getContents()))->toContainFormValue('downloadFrom', '[{"url":"https:\/\/my.url\/my_filename","embedded":false},{"url":"https:\/\/my.url\/my_filename_2","embedded":true,"extraHttpHeaders":{"X-Header":"value"}}]');
 
         expect($request->getHeader('Gotenberg-Webhook-Url'))->toMatchArray(['https://my.webhook.url']);
         expect($request->getHeader('Gotenberg-Webhook-Error-Url'))->toMatchArray(['https://my.webhook.error.url']);
diff --git a/tests/Pest.php b/tests/Pest.php
index ddb7354..0f7e7a3 100644
--- a/tests/Pest.php
+++ b/tests/Pest.php
@@ -22,10 +22,10 @@ function sanitize(string $body): string
     );
 });
 
-expect()->extend('toContainFormFile', function (string $filename, string $content, string|null $contentType = null) {
+expect()->extend('toContainFormFile', function (string $filename, string $content, string|null $contentType = null, string $fieldName = 'files') {
     $length = mb_strlen($content);
 
-    $needle =  'Content-Disposition: form-data; name="files"; filename="' . $filename . '" Content-Length: ' . $length;
+    $needle =  'Content-Disposition: form-data; name="' . $fieldName . '"; filename="' . $filename . '" Content-Length: ' . $length;
     if ($contentType !== null) {
         $needle .= ' Content-Type: ' . $contentType;
     }