PDF.co vs PDFSharp

PDFSharp is the Open Source .NET library that easily creates and processes PDF documents on the fly from any .NET language. The same drawing routines can be used to create PDF documents, draw on the screen, or send output to any printer.

PDF.co is an automation and API platform for PDF, Barcodes, Data Extraction, and Data Transformations. It also provides online tools for performing essential PDF-related functionalities such as
splitting/merging PDF, document parsing, filling PDF forms, HTML to PDF conversation, PDF data extraction to various formats, barcode reader, etc.

PDF.co vs PDFSharp: Features

PDFSharp Features

Key Features

  • Creates PDF documents on the fly from any .NET language
  • Easy to understand object model to compose documents
  • One source code for drawing on a PDF page as well as in a window or on the printer
  • Modify, merge, and split existing PDF files
  • Images with transparency (color mask, monochrome mask, alpha mask)
  • Newly designed from scratch and written entirely in C#
  • The graphical classes go well with .NET


  • Combine Documents
  • Split Documents
  • Watermark
  • Text Layout
  • Protect Document
  • Export Images
  • XForms


  • Lines, polylines, arcs, Bézier splines, canonical splines
  • Rectangles, rounded rectangles, ellipses, polygons, pies, closed splines, paths
  • RGB, CMYK, and grayscale colors with transparency
  • Pens and brushes for drawing and filling
  • GDI+ like predefined colors, pens, and brushes
  • Matrix transformations
  • BMP, PNG, GIF, TIFF, and JPEG images
  • Image masks and transparency
  • Form XObjects
  • Clipping through the graphical path
  • Linear gradient brushes
  • First two bar code types (Code2of5Interleaved and Code3of9Standard)


  • TrueType fonts / OpenType fonts with TrueType outline
  • Matrix transformations
  • Converting glyphs to a graphical path
  • WinAnsi and Unicode encoding
  • TextAnnotations, Rubber stamp annotations
  • Unicode support in PDF files
  • TextFormatter class for simple text layout

Security and Encryption

  • Encryption with 40/128 bit with password
  • Document access permissions

Other PDF Features

  • Supports PDF versions 1.2 through 1.4 (including the transparency features introduced with Adobe Reader 5.0); these files can be read and written
  • Can create PDF files marked for PDF version 1.2 (Adobe Acrobat Reader 3) through 1.7 (Adobe Reader 8); newer Reader versions can always read the files
  • Read the content of interactive form fields (AcroForms) (still under construction)
  • XPdfForm objects as templates. Use XGraphics class to create PDF form objects.

PDF.co Features

PDF Tools

  • Merge PDF, Split PDF, Delete pages from PDF.
  • PDF filling to add text, images, signatures to PDF and images. PDF filling tools for automatically filling out PDF forms.
  • Read detailed PDF information including raw text information and pdf fields.
  • Turn documents, images, and scanned PDF to Text Searchable PDF. Also, make searchable PDFs to unsearchable or scanned PDF files.
  • Create high-quality PDF from HTML code and convert web pages using Url to PDF. Fine-tuning options are available for margins, paper size, orientation, etc.
  • Search and replace text inside PDF. It also provides a feature to replace text with images.

PDF Split

  • Split by page index
  • Split by text search

Barcode Tools

  • Generates 1D and 2D barcodes.
  • Read barcodes from images, PDF documents, and remote documents via the link!

Generate PDF

  • Create PDF from scratch and from PDF templates.
  • Convert and make PDFs from different document types such as Doc, DocX, RTF, TXT, XPS, HTML, Images (JPG, PNG, TIFF), XLS, XLSX.
  • Website URL to PDF conversation

PDF.co Security and Encryption

  • User and Owner Passwords
  • Automatic File Removal
  • RC4 40-Bit Encryption
  • RC4 128-Bit Encryption
  • AES 128-Bit Encryption
  • AES 256-Bit Encryption
  • Document Modification Restriction
  • Document Content Extraction Restriction
  • Document HTTP User and Pass Authentication

Business-oriented Features

  • Email to PDF transformation. Supports emails with attachments include tools to extract important data from emails separately.
  • Sensitive data auto detector and remover
  • Many upcoming features such as PDF classifier, PDF translator, etc.

PDF.co vs PDFSharp: Source and Outputs

Split PDF Sample Source

Split PDF Sample Source
Split PDF Sample Source

PDFSharp Split PDF Output

PDFSharp Split PDF Output
PDFSharp Split PDF Output

PDF.co Split PDF Output

PDF.co Split PDF Output
PDF.co Split PDF Output

PDF.co vs PDFSharp: Integrations

PDF.co Integration

PDF.co has over 300+ integrations available:

  • Zapier, Integromat, Bubble, and API for programmers
  • Salesforce, Dynamics 365, Zoho, and other CRM systems
  • SharePoint, Office 365, Box, Egnyte, Dropbox, SignNow plus ready to use 300+ integrations
  • RPA UiPath, BluePrism, Automation Anywhere
  • RapidAPI

PDFSharp Integration

  • PDFSharp integration is not available