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If so you can download any of the below versions for testing. The product will function as normal except for an evaluation limitation. At the time of purchase we provide a license file via email that will allow the product to work in its full capacity. If you would also like an evaluation license to test without any restrictions for 30 days, please follow the directions provided here.
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GroupDocs.Watermark Cloud is a REST API for managing watermarks in the documents. It provides the effective watermarking methods to add image and text watermarks. Furthermore, API works to search and remove the watermarks which were already added to the documents by other third-party software. 为了在您的 .NET 应用程序中以简单高效的方式使用 API 的功能，而无需深入了解处理 HTTP 请求和响应的底层细节，我们开发了适用于 .NET 的 SDK，它不仅易于整合但也可以根据您的需要进行定制。
GroupDocs.Watermark Cloud SDK for Java 是文档水印 REST API 的包装器，用于管理文档中的水印。它提供了有效的水印方法来添加图像和文本水印。此外，API 还可以搜索和删除已由其他第三方软件添加到文档中的水印。支持 Microsoft Word、Excel、PowerPoint、Visio、PDF、光栅图像、多页 TIFF 和动画 GIF 格式。