Digitally Sign Image File Online via e-Signature App or using .NET
Develop powerful .NET based Image document signing applications. Freely add digital signature into various documents including Image files online via app with instant download.
Add Digital Signature into Image Files Online using App
- Upload Image files to sign digitally.
- Add text for signature or upload signature image.
- Click the “Sign” button.
- Download the signed Image file.
Digitally Sign Image File via .NET
- Load canvas and signature images using Image.Load
- Use the Graphics class to load the canvas object
- Call DrawImage method to draw the signature
- Save the signed Image image
.NET Code : Add Digital Signature in Image Files
#### Use Cases of Signing Image Files with Electronic Signatures
Scanned Legal Documents
Scans of handwritten agreements or notarized documents in JPG, PNG, or TIFF format can be digitally signed to validate authenticity.
ID Verification and Personal Records
Images of passports, ID cards, and utility bills used for KYC or onboarding can be electronically signed to ensure they haven’t been altered.
Medical Imaging
Scans such as X-rays or test results in TIFF or PNG can be digitally signed to confirm their origin from a certified medical facility.
Artwork and Creative Submissions
Designs, illustrations, or marketing graphics in image formats can be signed to assert intellectual property rights.
Inspection and Compliance Photos
Photos taken during audits, inspections, or compliance checks are often signed digitally to certify location, time, and authenticity of evidence.
Develop E-Signature Application using .NET
Need to develop .NET script or utility app to easily sign multiple Image files electronically? With
Aspose.Imaging for .NET
, child API of
Aspose.Total for .NET
, any .NET developer can integrate the above API code to program eSigning app for signatures across documents. Powerful .NET library for document signing, supports many popular formats including Image format.
Image eSignature library for .NET
There are three alternative options to install “Aspose.Imaging for .NET” or “Aspose.Total for .NET” onto your system. Please choose one that resembles your needs and follow the step-by-step instructions:
- Install a NuGet Package . See Documentation
- Install the library using Package Manager Console within Visual Studio IDE
System Requirements
Our product is fully cross-platform and supports all major .NET implementations following ‘.NET Standard 2.0’ specification:
- Microsoft .NET Framework, starting from the earliest 2.0 version, and ending with the latest ‘.NET Framework 4.8’
- .NET Core, starting from the earliest 2.0, and ending with the latest ‘.NET 6’
- Mono >= 2.6.7
As .NET code doesn’t rely on the underlying hardware or operating system, but only on a Virtual Machine, so you are free to develop any kind of software for Windows, macOS, Android, iOS and Linux. Just make sure you have installed the corresponding version of .NET Framework, .NET Core, Windows Azure, Mono or Xamarin.
We recommend using Microsoft Visual Studio, Xamarin, and MonoDevelop IDE to create C#, F#, VB.NET applications.
For more details please refer to Product Documentation .
FAQs
- Can I use above .NET code in my application?Yes, you are welcome to download this code. One can easily develop a professional solution to add digital signature in Image file using .NET. Use Aspose Image eSignature API to develop high-level, platform independent software in .NET.
- 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 Image 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 Image document compression.
- How can I sign multiple Image files?Start by uploading one or more files you want to sign. You can either drag and drop your Image 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 Image files?This e-signature application operates quickly, It may take a few seconds to upload the files and sign them.