We use cookies to give you the best experience on our website. If you continue to browse, then you agree to our privacy policy and cookie policy. (Last updated on: November 16, 2018).
Unfortunately, activation email could not send to your email. Please try again.
Syncfusion Feedback


The Syncfusion Essential PDF is a .NET PDF library that allows you to edit or modify PDF documents on the fly. Using this library, you can also add text, images, graphics, or shapes to update a PDF. This .NET PDF library is designed to work easily with edit or modify PDF files and integrate seamlessly in your applications.

Apply Watermark or Stamp

Stamps and watermarks can be applied with simple text, such as draft, confidential, or final. They can also be applied with more complex designs and advanced customizations, such as:

  • Apply watermark or stamp with text and images.
  • Stamp with opaque images, rotated content.
  • Stamp and merge/split documents.
  • Stamp encrypted documents.


Replace Image and Font

Replace Font and Images

When you edit a PDF document, you might need to change the fonts to match your current theme or to change an outdated PDF document according to the current trends. Embedded or standard fonts in an existing document can be replaced with alternate resources. In PDF, images can also be replaced like fonts.

Extract Text and Images from PDF

You can also extract text from PDF documents for archiving or indexing. Extracting text from a PDF using Syncfusion Essential PDF is easy and efficient, regardless of the document, its content, and its properties. Like extracting text, images can also be extracted from a PDF and be reused in other documents or programs. Essential PDF supports the following features:

  • Extract text and its position and font details.
  • Layout-based approach text extraction.
  • Extract images and their positions.

Extract Text and Images

Other PDF editing and manipulation features:

  • Add images, text, and shapes to PDF files.
  • Add a barcode to a PDF file.
  • Add annotations, bookmarks, and attachments to PDF files.
  • Add, read, edit, fill, and flatten PDF form fields.
  • Read and modify PDF document properties.
  • Read and modify viewer preferences.
  • Redact PDF files.
  • Protect PDF files with advanced security standards.
  • Extract text and images from a PDF file.
  • Add headers and footers to exiting PDF files.
  • Perform incremental updates.
  • Add XMP metadata in an existing PDF file.


Cody Icon

File Formats

$ 995

One developer per license

Developer Platform

Essential Studio

$ 1,995

One developer per license


Unlimited Global License

Cover everyone in your organization for one low annual fee

1,000+ web, desktop, and mobile controls
Predictive Analytics
File Formats (Word, Excel, PowerPoint, and PDF)
Dashboard Platform
Big Data Platform
Report Platform
Data Integration Platform
Dedicated Account Representative
Quarterly product releases
Support within 24 hours on all business days
Licensing Management Portal
Commercial Use
Max Developer Count
1 per license
1 per license
Coverage Period
1 year
1 year
1 year



Syncfusion’s file format components helped me create the reports I needed, fast. – J. Pereira, Software Developer.

The libraries have been built from scratch and refined for more than a decade to provide blazing-fast performance, comprehensive API, and compatibility across the latest and older versions of these files.

CONTINUE READING View all Customer Stories


Syncfusion File Format Libraries - Manipulate Excel, Word, PowerPoint, and PDF files

Read and write Excel, Word, PDF, and PowerPoint files. Also includes integrated visualization capabilities. Advanced features include support for pivot tables, pivot charts, mail-merge, and extensive formatting.


Succinctly Series: Statistics Using Excel Succinctly

Succinctly Series: Statistics Using Excel Succinctly

- by Charles Zaiontz

A well known industry partner

Working with the industry’s best and brightest minds to streamline reporting

Syncfusion Customers
  • "Syncfusion has all of the required controls, reporting and dashboarding tools across multiple platforms that allow us to leverage our existing skills with a simple and value-for-money licensing model."
    Jono Walker, Walkerscott
  • "An excellent toolset and a great support team. I’ve been using Syncfusion’s products for a couple of years, and they save me a lot of time on development."
    Oswaldo Diaz, Product Manager, Hipermetrics.com


Greatness—it’s one thing to say you have it, but it means more when others recognize it. Syncfusion is proud to hold the following industry awards.

Syncfusion Awards
Scroll up icon

Warning Icon You are using an outdated version of Internet Explorer that may not display all features of this and other websites. Upgrade to Internet Explorer 8 or newer for a better experience.Close Icon