GroupDocs.Watermark Overview Leave feedback

GroupDocs.Watermark for .NET is a powerful API for managing watermarks in the various documents formats such as PDF, DOCX/DOC/RTF, PPTX/PPT, XLSX/XLS, JPG, PNG, TIFF, GIF and many others.

With GroupDocs.Watermark for .NET you can add watermarks that are hard to be automatically removed by third-party tools, search and remove previously added watermarks of popular types (including watermarks added by third-party tools) in a document.

• No additional software is required;
• Fast and efficient document watermarking API;
• Adding/removing watermarks to/from a particular section or whole document;
• Attach watermark to all images in a particular section, page, slide, or document;
• Assign watermark to only particular frames of a multi-framed image;
• Allocate hidden watermark to PDF that only appears when printing document;
• Set watermarks to all attachments in an Excel document & all image shapes in presentation;
• Place watermark or remove it from the background images of spreadsheet or presentation;
• Employ watermark to supported files in all attachments of an email or PDF document;
• Apply or remove watermark as XObjects, artifacts & annotations in PDF documents;
• Eliminate watermark containing text with particular formatting;
• Look for image watermarks that resemble a particular image;
• Identify text watermark even if there are unreadable characters between letters;
• Search watermarks based on specific parameters or by combining multiple criteria;
• Specify font formatting to look for matching text watermark;
• Programmatically extract page setup & other information for supported formats;
• Add watermark to images inside any header & footer in supported document formats;
• Add watermark to image shapes in a Word document & lock watermarks to restrict editing;
• Protect text watermark using unreadable characters in presentations;
• Rasterize particular page or whole PDF document to protect added watermarks;
• Change text formatting while replacing existing text watermark;
• Align watermark to bleed box, art box, crop box, or trim box in PDF document.