Download Buy license
EvoPdf Classic · PDF Tools

EVO PDF Toolkit for .NET and .NET Core

EVO PDF Toolkit for .NET offers the necessary tools for easily creating and modifying complex PDF documents. It consists in a HTML to PDF Converter, a Word to PDF Converter, an Excel to PDF Converter, a PDF to Text Converter, a PDF to Image Converter, a PDF to HTML Converter, a PDF Print tool, a PDF Merge tool, a PDF Split tool, a PDF Security tool, a PDF Images Extractor tool.

All Classic downloadsDocumentation

Classic v14.0 · Windows, .NET Framework 4.0+ and .NET 6–10 · Evaluate without registration — demo mode by default (watermarked) · Licensed with the EVO PDF Toolkit

Program.csC#
using EvoPdf;

var converter = new HtmlToPdfConverter();
byte[] pdf = converter.ConvertUrl(
    "https://www.evopdf.com");
File.WriteAllBytes("page.pdf", pdf);

// or from an HTML string, with a base URL
pdf = converter.ConvertHtml(
    "<b>Hello World</b>", "https://www.evopdf.com");
Classic API: EvoPdf namespace, one converter class, synchronous calls. API reference →
  • Windows 10 / 11 / Server 2016–2025
  • .NET Framework 4.0 – 4.8.1
  • .NET 6 → 10, .NET Standard 2.0
  • Azure Cloud Services & Virtual Machines
  • Web, console and desktop applications
Features

What the PDF Tools component does

  • Easy integration, no installation or setup is necessary on the server
  • Delivered as a single strong named .NET assembly (can be installed in GAC)
  • Can be deployed on the server by simple copy (xcopy deployment support)
  • Can be used from ASP.NET, Windows Forms, WPF, Web Service or Console applications
  • The same assembly can be used both on 32-bit and 64-bit Windows servers
  • Convert web pages and HTML strings to PDF documents
  • Convert web pages and HTML strings to raster images
  • Convert web pages and HTML strings to SVG vector images
The tools

One NuGet package per tool

Every tool is a separate NuGet package and a separate download, so an application takes only what it uses. All of them are covered by the EVO PDF Toolkit license.

HTML to PDF Converter

dotnet add package EvoPdf.HtmlToPdf

Download

Word to PDF Converter

dotnet add package EvoPdf.WordToPdf

Download

Excel to PDF Converter

dotnet add package EvoPdf.ExcelToPdf

Download

PDF to Text Converter

dotnet add package EvoPdf.PdfToText

Download

PDF to Image Converter

dotnet add package EvoPdf.PdfToImage

Download

PDF to HTML Converter

dotnet add package EvoPdf.PdfToHtml

Download

PDF Images Extractor

dotnet add package EvoPdf.PdfImagesExtractor

Download

PDF Print

dotnet add package EvoPdf.PdfPrint

Download

PDF Merge

dotnet add package EvoPdf.PdfMerge

Download

PDF Split

dotnet add package EvoPdf.PdfSplit

Download

PDF Security

dotnet add package EvoPdf.PdfSecurity

Download
In detail

EVO PDF Toolkit for .NET and .NET Core — how it works

With EVO PDF Toolkit you can easily create PDF documents, render HTML pages and RTF documents directly into a PDF document, extract the text and images from an existing PDF document, merge and split existing PDF documents and display PDF documents in web pages or in desktop applications.

EVO HTML to PDF Converter

EVO HTML to PDF Converter library for .NET can be easily integrated into any type of .NET application, either ASP.NET web sites, Windows Forms and WPF applications or Windows Azure Cloud services to convert URLs, HTML strings and streams, SVG vector graphics to a PDF document, raster image or SVG vector image.

You can use the converter as a general purpose tool for converting web pages and HTML code to PDF documents and images or you can use it as a powerful tool to instantly create nicely formatted and easily maintainable PDF reports directly from existing HTML reports.

EVO Word to PDF Converter

With the Word to PDF Converter library you can easily convert Word DOC and DOCX documents to PDF documents. The Word to PDF Converter does not use Microsoft Office or other third party tools. The Word document to convert can be in a memory buffer or in a file and the resulted PDF can be produced in a memory buffer, in a file on disk or in a stream.

The integration is extremely easy and no other third party tools are necessary to be installed. The library is distributed as a .NET assembly that you reference in your applications. Samples and documentation are available in the downloadable software package.

  • Convert Word DOC and DOCX documents to PDF
  • Does not require Microsoft Word or other third party tools
  • Convert to memory buffer, file, stream or to a PDF object for further processing
  • Convert all the pages or select the pages in document to convert
  • Add headers and footers with page numbering to PDF pages
  • Append or prepend external PDF files to conversion result
  • Password protect and set permissions of the PDF document
  • Add a digital signature to generated PDF document
  • Add graphic elements to generated PDF document
  • Generate PDF/A and PDF/X compliant documents
  • Generate CMYK and Gray Scale PDF documents
  • Edit existing PDF documents
  • Merge multiple PDF documents in a single PDF document
  • Split a PDF document in multiple PDF documents
  • Support for .NET 4.0 framework and later
  • Documentation and C# samples for all the features

EVO Excel to PDF Converter

With the Excel to PDF Converter library you can easily convert Excel XLS and XLSX documents to PDF documents. The Excel to PDF Converter does not use Microsoft Office or other third party tools. The Excel document to convert can be in a memory buffer or in a file and the resulted PDF can be produced in a memory buffer, in a file on disk or in a stream.

The integration is extremely easy and no other third party tools are necessary to be installed. The library is distributed as a .NET assembly that you reference in your applications. Samples and documentation are available in the downloadable software package.

  • Convert Excel XLS and XLSX documents to PDF
  • Does not require Microsoft Excel or other third party tools
  • Convert all the worksheets or select the worksheets in workbook to convert
  • Set PDF page size to a standard or a custom size
  • Set PDF page orientation and PDF document margins

EVO PDF to Text Converter

EVO PDF to Text Converter allows you to extract the text from a PDF document and to search text in PDF documents. The integration with existing .NET applications is extremely easy and no installation is necessary in order to run the converter. The downloaded archive contains the assembly for .NET and a ready to use samples for text extraction and text search.

The full C# source code for the sample application is available in the Samples folder. The result of conversion is a .NET String object that you can further manipulate.

  • Extract text from PDF documents
  • Search text in PDF documents
  • Save the extracted text using various text encodings
  • Case sensitive and whole word options for text search
  • Support for password protected PDF documents
  • Extract the text or search only a range of PDF pages
  • Extract text preserving the original PDF layout
  • Extract text in PDF reading order or PDF internal order
  • Get the number of pages in a PDF document
  • Get the PDF document title, keywords, author and description
  • Does not require Adobe Reader or other third party tools

EVO PDF to Image Converter

EVO PDF to Image Converter can be used in any type of .NET application to convert PDF pages to images. The integration with existing .NET applications is extremely easy and no installation is necessary. The downloaded archive contains the assembly for .NET and a ready to use sample console application.

The full C# source code for the sample application is available in the Samples folder. The converter produces .NET Image objects during conversion that you can save to image files or use for further processing. You can also customize the color space and resolution used during rasterization operation.

  • Convert PDF pages to images
  • Create thumbnails of the PDF pages
  • Customize the color space and resolution of generated images
  • Convert PDF pages to images in memory or to image files in a folder
  • Save the PDF pages images in various image formats
  • Convert to images only a range of PDF pages

EVO PDF to HTML Converter

EVO PDF to HTML Converter can be used in any type of .NET application to convert PDF pages to HTML documents. The integration with existing .NET applications is extremely easy and no installation is necessary. The downloaded archive contains the assembly for .NET and a ready to use sample console application.

The full C# source code for the sample application is available in the Samples folder. The converter produces HTML string objects during conversion that you can save to HTML files or use for further processing. You can also customize the resulted HTML content zoom level and HTML images resolution.

  • Convert PDF pages to HTML documents
  • Customize the generated HTML content zoom level
  • Customize the HTML images resolution in generated HTML document
  • Convert PDF pages to HTML documents in memory or to HTML files in a folder
  • Convert to HTML only a range of PDF pages

EVO PDF Images Extractor

EVO PDF Images Extractor can be used in any type of .NET application to extract images from a PDF document. The integration with existing .NET applications is extremely easy and no installation is necessary. The downloaded archive contains the assembly for .NET and a ready to use sample console application.

The full C# source code for the sample application is available in the Samples folder. The extractor produces .NET Image objects during conversion that you can save to image files or use for further processing. The transparency information from PDF is preserved in the extracted images.

  • Extract images from PDF documents
  • Preserve transparency information from PDF
  • Extract images in memory or to image files in a folder
  • Save the extracted images in various image formats
  • Extract the images only from a range of PDF pages

EVO PDF Print

EVO PDF Print can be used in any type of .NET application to silently print PDF documents without displaying any print dialog. The integration with existing .NET applications is extremely easy and no installation is necessary. The downloaded archive contains the assembly for .NET and a demo application.

The full C# source code for the demo application is available in the Samples folder. You can select the printer, set the paper size, orientation and margins, print in color or in gray scale, select the range of PDF pages to print. EVO PDF Print does not depend on Adobe Reader or other third party tools.

  • Print PDF documents from files, streams or memory buffers
  • Silently print without displaying any print dialog
  • Does not depend on Adobe Reader or other third party tools
  • Allows you to select the printer to be used for printing
  • Allows you to select the paper size, orientation and margins
  • Print password protected PDF documents
  • Add watermarks and stamps during printing
  • Print only a range of PDF pages

EVO PDF Merge Library

With EVO PDF Merge library for .NET you can you can combine existing PDF documents and images in a single PDF document. The integration is extremely easy and no additional installation is necessary in order to get it working.If you need a simple ready to use tool for combining your PDF documents and images we offer you a command line utility.

It allows you to specify the merge elements in any order with a simple syntax.

  • Command line and Windows Forms samples with full C# source code
  • Merge PDF documents from files and streams
  • Get number of pages of a PDF document
  • Specify the range of PDF pages to be merged from each PDF document
  • Save merged document in memory or in file
  • Merge PDF bookmarks
  • Set compression level of the resulted PDF document
  • Set merged document info (title, author, creation date)
  • Password protect the merged document
  • Set merged document rights for print, copy, assembling

EVO PDF Split Library

With EVO PDF Split for .NET you can extract a range of pages from a PDF document or you can split the PDF document in a number of chunks, each chunk containing a specified number of pages. The integration is extremely easy and no additional installation is necessary in order to get started.

It's just a .NET assembly that you have to reference in your application. If you need a ready to use tool for splitting and extracting your PDF documents you can use our simple command line utility.

  • Split PDF documents from files and streams
  • Save extracted documents in memory or in files
  • Command line sample with full C# source code
  • Extract a range of pages from a PDF document
  • Split in sections of the specified length

EVO PDF Security Library

The EVO PDF security for .NET can be used in any type of application to manage the security settings of the PDF documents. You can encrypt the PDF content, add user and owner passwords, control the PDF document permissions for printing, copying, assembling, filling forms, editing content, editing annotations, etc or you can specify the length of the encryption key to 40 or 128 bits, remove all the security settings by providing the user or owner password.

If you need a simple ready to use tool for combining your PDF documents and images we offer you a command line utility. The integration is extremely easy and no additional installation is necessary in order to get started. It's just a .NET assembly that you have to reference in your application.

Samples are available in the downloaded archive.

  • Secure PDF documents from files and streams
  • Save secured document in memory or in file
  • Set user and owner passwords
  • Encrypt PDF document content
  • 40 and 128 bit encryption keys
  • Set PDF document permissions (print, edit, copy)
  • Remove PDF document security settings based on user or owner password

At a glance

Component
EvoPdf Classic · PDF Tools
Namespace
EvoPdf
Main class
HtmlToPdfConverter
Runs on
Windows · .NET Framework 4.0+ · .NET 6–10 (.NET Standard 2.0)
Version
Classic v14.0
License
EVO PDF Toolkit; evaluation without registration
Documentation →
Installation

Install and run on Windows

The Classic library is a managed .NET assembly plus a Windows rendering engine shipped inside the NuGet package — nothing to install on the server, xcopy deployment, works in Azure Cloud Services and Virtual Machines. It targets Windows only; for Linux and macOS use EvoPdf Next.

Documentation

API reference and usage notes for the PDF Tools component.

Open the docs →

Getting started

The user guide chapters of the Classic documentation, with the C# code for each feature: options, merging, bookmarks, forms, security, deployment.

Read the guide →

Moving to Next?

EvoPdf Classic is the original engine, fully supported and licensed alongside EvoPdf Next. New projects should start with Next: Chromium rendering, Windows, Linux and macOS.

Migration guide →
Licensing

Perpetual licenses, updates and support included for a year

The HTML to PDF Converter license (450 USD Deployment / 1200 USD Company) covers the Classic and the Next converter; the EVO PDF Toolkit (650 / 1400 USD) covers every component on this site, Classic tools included. The Company License includes redistribution.

Pricing & licensing Next equivalent All downloads