Remove Annotation Objects from PDF with REST in Node.JS
Learn how to remove Annotation objects from PDF with REST in Node.JS using GroupDocs.Annotation Cloud SDK. The guide covers uploading a PDF, deleting its annotations via the API, and downloading the cleaned file, plus code snippets, cURL calls and config tips.
Merge PDF in Node.JS
Learn how Node.JS developers can merge PDF files using GroupDocs.Merger Cloud SDK. The guide covers setup, a detailed walkthrough, a full code sample, cURL REST calls, merge options, and performance tips for large or encrypted PDFs.
Add Image Watermark to PDF Documents in Java
Learn how Java developers can add an image watermark to PDF documents with GroupDocs.Watermark Cloud SDK for Java. The guide includes a full code example, cURL REST calls, and tips for configuring opacity, scaling, alignment and margins.
