Standalone .NET PDF library, to create, read, modify, edit PDF document in .NET framework

Create new PDF document, load and read existing PDF document by strean or byte array.

Change Security Permission of PDF, encrypt and decrypt PDF documents by password.

Stamp watermark to PDF page, the location, size and color can be customized. Support creating text watermark or inserting colorful image watermark as copyrighted for security feature.

Add digital signature to PDF in target page and target section to keep PDF document safe and away from tampering, eSign PDF with pkcs12 certificates, such as .pfx and .p12. Detect and search signature fields in PDF document.

Create table in PDF, make readable UI for your data. Generate table layout to palce the content. Merged table cells is also supported.

Add image to a whole Pdf page directly, convert jpg, png and tiff image to PDF document.

Create new, insert, delete, split and concatenate pages in Pdf.

Support all AcroForm type, create Pdf form fields, read and update form fields data.

Support all commonly used shapes, add, remove Pdf drawings and shapes(line, arrow, rectangle...).

Add image/logo to PDF page, the size and position of the inserted image can be customized.

Add text content to PDF page, the font name, font style, text size and text color can be modified.

Create navigation between pages in PDF, add hyperlink in PDF associate with web URL.

Standalone .NET library can be easy used in any Winforms and ASP.NET application. Support large size PDF, 100+ Mb size documents are available in most case.