Add a watermark to PDF or remove previously added watermarks using PHP

Using this PHP library, stamp PDF documents with an image or text watermark or remove an already added watermark in a few steps

Add a text or image watermark to PDF documents using PHP. Load the PDF document and insert the required watermark into it. Then save the result in a convenient format such as DOCX, PDF, MD, HTML, TXT, DOC, RTF, EPUB, XPS and more, and share the watermarked document with another person. Also remove the watermark from PDF document if the watermark was previously added to the document, and the reasons for adding are not longer relevant.

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PDF – add watermark in PHP

With this PHP API, developers can add a watermark to PDF online. Just create the watermark using text or an image and then insert that watermark into your PDF document in PHP.

Note: there is no need to install any third party applications or libraries. Therefore, our PHP software solution is very easy to use.

Remove watermark from PDF – PHP

The given PHP SDK is also helpful to remove watermarks from PDF. Removing a watermark in PDF means that you can load the desired PDF document stamped with a text or image watermark, remove this watermark from the PDF using PHP, and then save the output file in a convenient format – DOC, DOCX, PDF, JPEG, PNG, TIFF and others.

Work with watermark in PDF

To evaluate how to add or remove a watermark in PDF with our PHP API, load the PDF and the watermark as an image or text. Then select a convenient export file format – DOC, DOCX, PDF, HTML, RTF, XPS and others.

Use the following example to see how it works:

File needs to add watermarks
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use Aspose\Words\WordsApi;

$wordsApi = new WordsApi('####-####-####-####-####', '##################');

$requestDocument = "Input1.pdf";
$requestImageFile = "Input2.jpg";
$requestWatermarkData = new WatermarkDataImage(array(
    "image" => FileReference::fromLocalFileContent($requestImageFile)
));
$insertWatermarkRequest = new InsertWatermarkOnlineRequest(
    $requestDocument, $requestWatermarkData, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL
);
$insertWatermarkResult = $wordsApi->insertWatermarkOnline($insertWatermarkRequest);

$convertRequest = new ConvertDocumentRequest(
    $insertWatermarkResult->document()->values(), "pdf", 
	    NULL, NULL, NULL, NULL, NULL, NULL, NULL
);
$wordsApi->convertDocument($convertRequest);
use Aspose\Words\WordsApi;

$wordsApi = new WordsApi('####-####-####-####-####', '##################');

$requestDocument = "Input.pdf";
$requestWatermarkData = new WatermarkDataText(array(
    "text" => "This is the watermark text",
    "layout" => "Diagonal"
));
$insertWatermarkRequest = new InsertWatermarkOnlineRequest(
    $requestDocument, $requestWatermarkData, NULL, NULL, NULL, NULL, NULL, NULL
);
$insertWatermarkResult = $wordsApi->insertWatermarkOnline($insertWatermarkRequest);

$convertRequest = new ConvertDocumentRequest(
    $insertWatermarkResult->document()->values(), "pdf", 
	    NULL, NULL, NULL, NULL, NULL, NULL, NULL
);
$wordsApi->convertDocument($convertRequest);
use Aspose\Words\WordsApi;

$wordsApi = new WordsApi('####-####-####-####-####', '##################');

$requestDocument = "Input.pdf";
$deleteWatermarkOnline = new DeleteWatermarkOnlineRequest(
    $requestDocument, NULL, NULL, NULL, NULL, NULL, NULL
);
$deletedWatermark = $wordsApi->deleteWatermarkOnline($deleteWatermarkOnline);

$convertDocument = new ConvertDocumentRequest(
    $deletedWatermark->document()->values(), "pdf", NULL, NULL, NULL, NULL, NULL, NULL, NULL
);
$wordsApi->convertDocument($convertDocument);
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How to remove watermark in PDF using PHP

  1. Install Aspose.Words Cloud for PHP
  2. Add a library reference (import the library) to your PHP project
  3. Configure API using your app keys
  4. Load PDF document you want to remove the watermark from
  5. Create a request to remove the watermark
  6. Save the result to a convenient file format

PHP library to use watermarks in PDF

Install 'Aspose.Words Cloud SDK for PHP' from Packagist repository. Just run composer require aspose-cloud/aspose-words-cloud to install the SDK, then use require_once('vendor/autoload.php'); to import it into your project.

As an alternative, you can manually clone Aspose.Words Cloud SDK for PHP source code from GitHub. Please follow these Instructions to quickly get the necessary security credentials and access our REST API.

System Requirements

PHP 7.1 or newer

Refer to the Repository Documentation to see more details.

Other supported file formats

You can add a watermark to a document in other formats:

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