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

Remove Digital Signatures from EXCEL in C#

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

Instantiate Signature with input (EXCEL) document
Instantiate DigitalSearchOptions object with needed properties
Call Search method and get list of DigitalSignatures
Select digital signatures to remove from (EXCEL) 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 EXCEL in C#

The .NET signature API supports manipulating and removing barcode and QR-Code signatures from EXCEL 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 (EXCEL) document
Instantiate BarcodeSearchOptions object with needed properties
Call Search method and get list of BarcodeSignature
Select barcode signatures to remove from (EXCEL) document
Call Signature object Delete method and pass sigantures to it

EXCEL Document Information Extraction

The documents information extraction API not only allows getting the basic information about the source document file (EXCEL) 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 EXCEL

Deleting text or image signatures from digitally signed EXCEL 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 (EXCEL) document
Instantiate TextSearchOptions object with needed properties
Call Search method and get list of TextSignatures
Select text signatures to remove from (EXCEL) 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 EXCEL file format?

Excel is an immensely popular spreadsheet software program developed by Microsoft Corporation. Its file format, a binary file format, stores data in worksheets comprising cells organized into rows and columns. Excel files typically possess either a .xlsx or .xls file extension. Within these files, one can find an array of data types including numbers, text, formulas, charts, and images. The file format also supports a plethora of formatting options, ranging from font styles, colors, and borders to conditional formatting that permits users to apply distinct formatting based on specific criteria.

The multifaceted nature of Excel files renders them invaluable for various tasks, including financial analysis, budgeting, and data analysis. When faced with large amounts of data, Excel provides an efficient means of organization and manipulation. Additionally, it serves as a versatile tool for creating visually appealing charts and graphs that facilitate data visualization.

Apart from the standard Excel file format, several other formats are commonly employed alongside it. For instance, CSV (Comma Separated Values) files enable the seamless import and export of data between diverse software applications. XML (Extensible Markup Language) files, on the other hand, allow structured data storage and exchange.

Excel’s enduring popularity stems from its user-friendly interface and extensive range of features. Its functionalities empower users to perform complex calculations, generate reports, and automate repetitive tasks. Whether you’re a professional in finance, data analysis, or simply an individual looking to effectively organize information, Excel remains an indispensable tool for achieving these objectives.

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Remove Signatures from EXCEL File in C# .NET