Digitally Sign JPG File Online via e-Signature App or using Java

Develop powerful Java based JPG document signing applications. Freely add digital signature into various documents including JPG files online via app with instant download.

JPG Signature via Python JPG Signature via C# .NET

Add Digital Signature into JPG Files Online using App

  1. Upload JPG files to sign digitally.
  2. Add text for signature or upload signature image.
  3. Click the “Sign” button.
  4. Download the signed JPG file.

Digitally Sign JPG File via Java

  1. Add Java library reference into your project
  2. Load primary PSD file and signature file using Image.load
  3. Use the Graphics class to load the primary object
  4. Call drawImage() method to draw the signature
  5. Save the signed JPG image

Java code for adding digital signature in JPG files


Develop E-Signature Application using Java

Need to develop Java script or utility app to easily sign multiple JPG files electronically? With GIF4, child API of GIF5, any Java developer can integrate the above API code to program eSigning app for signatures across documents. Powerful Java library for document signing, supports many popular formats including JPG format.

JPG eSignature library for Java

There are alternative options to install “ Aspose.PSD for Java ” or “ Aspose.Total for Java ” onto your system. Our Java package is designed to be cross-platform, compatible with JVM implementations on various operating systems such as Microsoft Windows, Linux, macOS, Android, and iOS. Please choose one that resembles your needs and follow the step-by-step instructions:

System Requirements

  • Java SE 6, above or recent Java versions

For details please refer to [Product Documentation](https://docs.aspose.com/psd/java/system-requirements/#optional-dependencies).


  • Can I use above Java code in my application?
    Yes, you are welcome to download this code. One can easily develop a professional solution to add digital signature in JPG file using Java. Use Aspose JPG eSignature API to develop high-level, platform independent software in Java.
  • Is this document digital signing App work only on Windows?
    You have the flexibility to initiate document signing from any device, irrespective of the operating system it runs on, whether it be Windows, Linux, Mac OS, or Android. All that's required is a contemporary web browser and an active internet connection.
  • Is it safe to use the online app to sign multiple JPG documents?
    Of course! The output files generated through our service will be securely and automatically removed from our servers within a 24-hour timeframe. As a result, the download links associated with these files will cease to be functional after this period.
  • What browser should to use App?
    You can use any modern web browser like Google Chrome, Firefox, Opera, or Safari for online JPG document compression.
  • How can I sign multiple JPG files?
    Start by uploading one or more files you want to sign. You can either drag and drop your JPG files or simply click inside the white area. Afterward, click the 'Sign' button, and our online esigning app will quickly process the uploaded files.
  • How long does it take to sign the JPG files?
    This e-signature application operates quickly, It may take a few seconds to upload the files and sign them.

Explore File eSignature Options with Java

Sign BMP (Bitmap Image File)
Sign DOC (Microsoft Word Binary Format)
Sign DOCX (Office 2007+ Word Document)
Sign GIF (Graphical Interchange Format)
Sign IMAGE (Image Files)
Sign JPEG (Joint Photographic Expert Group)
Sign ODP (OpenDocument Presentation Format)
Sign ODS (OpenDocument Spreadsheet)
Sign ODT (OpenDocument Text File Format)
Sign PDF (Portable Document Format)
Sign PNG (Portable Network Graphic)
Sign PPT (PowerPoint Presentation)
Sign PPTX (Open XML presentation Format)
Sign PSD (Photoshop Document)
Sign TIFF (Tagged Image File Format)
Sign XLS (Microsoft Excel Binary Format)
Sign XLSX (Open XML Workbook)