Remove Barcode, Image, Text, Digital Signatures in PNG in C# .NET

Remove Digital Signatures from PNG in C#

Search and remove all or certain types of e-signatures from digitally secured and signed PNG files at once using Conholdate.Total for .NET APIs.

Instantiate Signature with input (PNG) document
Instantiate DigitalSearchOptions object with needed properties
Call Search method and get list of DigitalSignatures
Select digital signatures to remove from (PNG) document
Call Signature object Delete method and pass sigantures to it

Download & Install .NET Signature API

Deleting signatures from digitally signed documents requires GroupDocs.Signature namespace. Proceed to download the respective files or fetch the whole package directly from NuGet.

Remove any type of Barcode, Text, Image, or QR Code signatures from documents using operating systems such as Windows, Linux or macOS while working on Windows Azure, Mono and Xamarin platforms.

Remove Barcode Signatures from PNG in C#

The .NET signature API supports manipulating and removing barcode and QR-Code signatures from PNG documents in .NET applications using a few lines of C# code. Remove one or several digital signatures of different types from signed documents at the same time.

Instantiate Signature with input (PNG) document
Instantiate BarcodeSearchOptions object with needed properties
Call Search method and get list of BarcodeSignature
Select barcode signatures to remove from (PNG) document
Call Signature object Delete method and pass sigantures to it

PNG Document Information Extraction

The documents information extraction API not only allows getting the basic information about the source document file (PNG) but it also supports extracting some valuable document information such as file type, size, number of pages, height and width using stream or a file stored on local disk.

The .NET document signature library offers a set of useful features to cancel digital signature processes (sign, verify, search) at any stage using a few simple steps.

Remove Text & Image Signatures from PNG

Deleting text or image signatures from digitally signed PNG files in C# .NET is easier with Conholdate.Total for .NET APIs. Sign digital documents with custom signatures using different colors, font, padding and styling options.

Instantiate Signature with input (PNG) document
Instantiate TextSearchOptions object with needed properties
Call Search method and get list of TextSignatures
Select text signatures to remove from (PNG) document
Call Signature object Delete method and pass sigantures to it

Load & Sign Remotely Located Documents

The document eSign API enables you to render remotely located documents from various cloud document storage sources such as stream, local disk, URL, FTP, Amazon S3, and Azure Blob storage. The document preview feature enables you to get the image representation of the document pages that can be useful to preview and adjust the position of digital signature inside the document.

Get the document preview of whole document or some specific page numbers in PNG, JPG or BMP image formats.

What is PNG file format?

PNG, short for Portable Network Graphics, stands as a raster graphics file format renowned for its lossless data compression and its suitability for displaying images on the web. It has gained significant popularity among graphic designers and photographers who seek to store and showcase high-quality images. One of the distinctive features of PNG files is their support for transparency, setting them apart from JPEG files that cannot contain transparent areas.

The PNG file format provides several advantages that contribute to its appeal. Firstly, it supports 16-bit color, enabling the preservation of more accurate colors during image editing processes. This feature proves valuable for professionals working with intricate color details. Additionally, PNG supports gamma correction, ensuring that images display correctly across various systems. This capability helps to maintain consistent visual quality across different devices and platforms.

Furthermore, PNG employs lossless data compression, allowing for efficient reduction of file size without compromising image quality. This compression technique facilitates faster download times and improved web page loading performance. The smaller file sizes make PNG files more convenient to store, transfer, and share, making them an ideal choice for web-based applications.

PNG files have gained widespread support across major web browsers and operating systems, further contributing to their popularity. This compatibility ensures that PNG images can be reliably viewed and displayed across different platforms and devices, enhancing accessibility and user experience. Moreover, PNG is widely supported by various image editing and drawing software programs, including industry-standard applications like Adobe Photoshop. This compatibility allows professionals to work seamlessly with PNG files, leveraging advanced editing capabilities to achieve their desired outcomes.

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Remove Signatures from PNG File in C# .NET