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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 for .NET 是一个强大的文档水印 API，用于添加图像和文本水印。此外，该 API 还可以搜索和删除其他第三方软件已添加的水印。该 API 添加的水印很难被任何第三方工具移除。它易于集成到自定义应用程序中。支持 Microsoft Word、Excel、PowerPoint、Visio、PDF、栅格图像、多页 tiff 和动态 GIF 格式。
Java的groupDocs.watermark是一个有力的文档，它将API添加，搜索和删除支持的文件格式。此外，很难通过第三方工具自动去除API的水印。虽然可以轻松地用于搜索和删除先前添加的流行类型的水印。 API是一种自我描述的，直接的，用于在任何PDF，Microsoft Office和多个图像文档格式中集成图像和文本水印。