Pick your platform, copy the package command, and ship your first integration.
using GroupDocs.Watermark;
using GroupDocs.Watermark.Watermarks;
using var watermarker = new Watermarker("document.pdf");
watermarker.Add(new TextWatermark("Confidential", new Font("Arial", 36)));
watermarker.Save("watermarked.pdf");
GroupDocs.Watermark in production — fast, flexible, and source-agnostic.
Add styled text or image watermarks with position, rotation, opacity, sizing, and tiling.
Search watermarks by text, regular expression, image similarity, or formatting, then edit or remove them.
Place watermarks in headers, shapes, backgrounds, PDF artifacts and annotations, or locked Word sections.
PDF, Word, Excel, PowerPoint, Visio, email, and image documents.
A representative slice of the formats GroupDocs.Watermark works with.
Run GroupDocs.Watermark on your own files in the free, ads-free Watermark web app — no install required. Files are deleted after 24 hours.