In order to gain personalized touch in an Excel document and improve its credibility is insertion of a signature. In the information age, adding an image signature into XLSX documents has become a common practice. In this tutorial, we will show you how to sign XLSX with image signature using Java. This process enables you to create polished documents showcasing personalized signatures. Let’s check the instructions and effortlessly acquire the knowledage on how to create image signature in XLSX using Java presents with a code example.

Steps to Sign XLSX with Image Signature using Java

1. Install GroupDocs.Signature for Java into your project by utilizing the Maven repository to sign Excel document with image signature
2. Include the necessary class references for inserting image signature in XLSX
3. Instantiate the Signature class by using XLSX file path in its constructor
4. Instantiate the ImageSignOptions class by using image’s path in its constructor
5. For the appearance of image, set desired properties for ImageSignOptions
6. Call the Signature.Sign method using signing options to store the output XLSX to disk

The steps mentioned above can be executed on operating systems like Windows, macOS, and Linux without installing extra tools or softwares except Java. If you want to share signed Excel documents on different plateforms, the ability to integrate image signature into XLSX in Java holds significant value. Look at the followig code example how this signing process works flawlessly.

Code to Sign XLSX with Image Signature using Java

In conclusion, the process of Java image signature in XLSX enhances the security and authenticity of the documents. The above code is very simple and contains only few API calls. After installing the suggested signature libarary and modifying the input and output Excel files’ path, you can integrate the above code example in your applications in order to add image signature in Excel documents without any issue.

In the last topic, we explained how to sign XLSX documents with a digital signature using Java with step-by-step instructions. If you need further help, we suggest you to read our guide on how to sign XLSX with digital signature using Java.