Free .NET PDF Library

This is an Example of a free C# PDF library. As a standalone PDF component, Free Spire.PDF for .NET enables developers to create, write, edit, convert, print, handle and read PDF files on any .NET applications. You can implement rich capabilities to create PDF files from scratch or process existing PDF documents. Many rich features can be supported, such as security setting, PDF text/attachment/image extract, PDF merge/split, metadata update, section and paragraph optimizing, graph/image drawing and inserting, table creation and processing, and importing data etc.

Main Functions

Only Free Spire.PDF, No Adobe Acrobat installed.

Free Spire.PDF for .NET is a totally independent .NET PDF library. It Does NOT require Adobe Acrobat or any other 3rd party software/library installed on system.

High Quality PDF File Conversion

Convert Webpage HTML, HTML ASPX to PDF
Convert Image(Jpeg, Jpg, Png, Bmp, Tiff, Gif, EMF, Ico) to PDF
Convert Text to PDF
Convert RTF to PDF
Convert PDF to Image

Easily Manipulate document and Form fields

Merge/split PDF documents
Overlay documents.
Import and stamp feature
Booklet feature
Create and fill form field

Security features

Protect PDF documents by setting passwords and digital signature.
Decrypt PDF Document
Get and Verify Digital Signature
Modify PDF Passwords

Document Settings features

Set custom metadata, document properties, page orientation, and page size.

Set PDF position, title display, resize, page mode and print scaling etc.

Other Features

PDF/A-1b and PDF/x1a:2001 Compliance, both standards can be applied.
Extract images, text, pages and attachments from a PDF document
Pen and brush to draw shape elements, text, images into PDF documents.
Layers, transparent graphics, color space and barcode creation can render to PDF documents.
Add scalar/vector images and mask and place them in designated location.
Table and table style can be supported by Free Spire.PDF for .NET.
Insert interactive elements including Annotation, action, JavaScript, attachment, bookmark with specifying place and appearance.

Friendly reminder:

Free version is limited to 10 pages of PDF. This limitation is enforced during loading and creating files. When converting PDF to Image, the first 3 pages of PDF files will be converted to Image format successfully.Upgrade to Commercial Edition of Spire.PDF

Feedback and Support

Any question, bug report, comment and feedback are welcome. You can leave them directly on Spire.PDF Forum or contact us by e-mail. We will offer full support within 24 hours.

E-iceblue Co., Ltd