GroupDocs.Signature .NET 25.1 DLLs – LTV PDF Signing & LoadOptions Enhancement

Browse our Products

Are you looking for an evaluation version of a product?

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.

Are you having troubles in downloading?

If you experience errors, when you try to download a file, make sure your network policies (enforced by your company or ISP) allow downloading ZIP and/or MSI files.

GroupDocs.Signature for .NET 25.1 (DLLs only)

Download Support Forum

File Details

Downloads:
1
File Size:
231.78MB
Date Added:
30/1/2025

Release Notes

https://releases.groupdocs.com/signature/net/release-notes/2025/groupdocs-signature-for-net-25-1-release-notes/

Description

This ZIP file contains only the GroupDocs.Signature for .NET assemblies. The assemblies are the same as in the MSI installer of the product of the same version.Download this if you want to use GroupDocs.Signature for .NET without the MSI installer. This ZIP download does not contain the demo projects.

Release Highlights

GroupDocs.Signature for .NET 25.1 (DLLs-only) gives developers more control over signature reliability with long-term validation and file type-aware document loading.

✳️ New Feature

LTV (Long-Term Validation) for PDF Signatures
PDF digital signatures now support embedded validation details, enabling signatures to be verifiable even years later after certificate expiration.
File Type Direct Assignment with LoadOptions
Developers can explicitly define the file type (e.g., FileType.Pdf) in LoadOptions to reduce document opening time and avoid format ambiguity.

🛠 Fix

Minor internal bug fixes and stability enhancements in signature processing flow.

groupdocs.signature | ltv digital signature | loadoptions filetype | pdf signing performance | digital signature api

👉 You can view the full list of updates by visiting GroupDocs.Signature for .NET 25.1 Release Notes.

GroupDocs.Signature for .NET 24.12 GroupDocs.Signature for .NET 25.1