Can I add a watermark to PDF using Swift?

Aspose.Words for Swift allows you to add a text or image watermark to your PDF document. Install Aspose.Words Cloud for Swift Add a library reference (import the library) to your Swift project Configure API using your app keys Load PDF document you want to remove the watermark from Create a request to remove the watermark Save the result to a convenient file format

What file formats can I add a watermark to using Swift library?

We support a variety of file formats for adding watermarks using Aspose.Words for Swift, including DOCX, DOC, DOT, PDF, RTF and others.

Can I remove a watermark from PDF document using Aspose.Words for Swift?

The given Swift SDK is also helpful to remove watermarks from your PDF documents.

Does your Swift library support adding watermarks to PDF programmatically?

Our Swift library allows developers to programmatically add watermarks to PDF.

PDF Watermark In Swift

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

Using this Swift 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 Swift. 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.

PDF – add watermark in Swift

With this Swift 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 Swift.

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

Remove watermark from PDF – Swift

The given Swift 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 Swift, 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 Swift 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:

Add a text or image watermark to PDF or remove a watermark from PDF using Swift

Input files

File needs to add watermarks

Run code

Upload an image you want insert

Output format

Select the target format from the list

				
				
				
		

					import AsposeWordsCloud

let config = Configuration(
    clientId: "####-####-####-####-####", clientSecret: "##################");
let api = try WordsAPI(configuration: config);

let requestDocument = InputStream(url: URL(string: "Input1.pdf"))!;
let requestImageStream = InputStream(url: URL(string: "Input2.jpg"))!;
let requestWatermarkData = WatermarkDataImage()
    .setImage(image: FileReference(localFileContent: requestImageStream));
let insertWatermarkRequest = InsertWatermarkOnlineRequest(
    document: requestDocument, watermarkData: requestWatermarkData);
let insertWatermarkResult = try api.insertWatermarkOnline(
    request: insertWatermarkRequest);

let convertRequest = ConvertDocumentRequest(
    document: insertWatermarkResult.document.values.first, format: "pdf");
_ = try api.convertDocument(request: convertRequest);
				

					import AsposeWordsCloud

let config = Configuration(
    clientId: "####-####-####-####-####", clientSecret: "##################");
let api = try WordsAPI(configuration: config);

let requestDocument = InputStream(url: URL(string: "Input.pdf"))!;
let requestWatermarkData = WatermarkDataText()
    .setLayout(layout: WatermarkDataText.Layout.diagonal)
    .setText(text: "This is the watermark text");
let insertWatermarkRequest = InsertWatermarkOnlineRequest(
    document: requestDocument, watermarkData: requestWatermarkData);
let insertWatermarkResult = try api.insertWatermarkOnline(
    request: insertWatermarkRequest);

let convertRequest = ConvertDocumentRequest(
    document: insertWatermarkResult.document.values.first, format: "pdf");
_ = try api.convertDocument(request: convertRequest);
				

					import AsposeWordsCloud

let config = Configuration(
   clientId: "####-####-####-####-####", clientSecret: "##################");
let api = try WordsAPI(configuration: config);

let requestDocument = InputStream(url: URL(string: "Input.pdf"))!;
let deleteWatermarkOnline = DeleteWatermarkOnlineRequest(document: requestDocument);
let deletedWatermark = try api.deleteWatermarkOnline(request: deleteWatermarkOnline);

let convertDocument = ConvertDocumentRequest(
   document: deletedWatermark.document.values.first, format: "pdf");
_ = try api.convertDocument(request: convertDocument);
				

				Run code
			

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How to remove watermark in PDF using Swift

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

Swift library to use watermarks in PDF

You can use Swift package manager and Cocoapods dependency manager to install Aspose.Words Cloud SDK for Swift. Detailed information on installing the package is given in the "Installation and Usage" section.

As an alternative, you can clone Aspose.Words Cloud SDK for Swift source code from GitHub and use it in your project.

Please follow these Instructions to quickly get the necessary security credentials and access our REST API.

System Requirements

Swift 4.2 or newer

Refer to the Repository Documentation to see more details.

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

Watermark DOC

Watermark DOCX

Watermark WORD