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.NET Core PDF Library - Overview

The Syncfusion .NET Core PDF Library is a feature-rich and high-performance PDF library that allows you to add robust PDF functionalities to any ASP.NET Core application. It allows you to create, read, and edit PDF documents programmatically. This library also offers functionality to merge, split, stamp, form-fill, and secure PDF files.

Overview diagram of .NET Core PDF Library.


General information

Blazing-fast performance

Optimized for usage in a server environment where speed and low memory usage are critical.

Powerful and comprehensive APIs

All the elements in a typical PDF document like text, formatting, images, shapes, and tables are accessible through a comprehensive set of APIs.

Create, modify, and save PDF files

Essential PDF gives you the ability to create PDF documents from scratch and save them to a disk or stream with just a few lines of code. Existing documents can also be opened and manipulated.

Fully documented

The .NET Core PDF Library comes with extensive documentation, a knowledge base, and samples.


PDF forms

Create forms in dotnet core pdf library

Create forms

Create AcroForms from scratch or use existing documents to collect information from users.

Edit forms in dotnet core pdf library

Edit forms

Move fields around. Change fields’ border colors, fonts, sizes, etc. Add, delete, and edit form fields.

Fill forms in dotnet core pdf library

Fill forms

Fill AcroForm with database information quickly, easily, and effortlessly or directly from an internet or intranet user.

Flatten forms in dotnet core pdf library

Flatten forms

Flatten an AcroForm to remove the editing capability of the document.


Organize

Merge or append PDF.

Merge or append PDFs

Merge different PDF documents or pages into single PDF document to archive or to add title pages to the document.

Split PDF.

Split PDFs

Split a PDF document of many pages into a smaller PDF document to remove unwanted pages, blank pages, and more.

Rearrange.

Rearrange

Rearrange the pages within a PDF document to make the document more meaningful.

Portfolio.

Portfolio

Create a portfolio that allows you to bundle related documents together. Extract and delete files from the portfolio.


Manipulation

Watermark existing PDF.

Watermark PDFs

Existing documents can be loaded and stamped with text or images.

Extract images and text

Extract text from PDFs

Text in a document can be extracted. The layout of text in a PDF is preserved during its extraction.


Tables

Data binding.

Data binding

Data can be easily imported from an IEnumerable collection.

Formatting.

Formatting

Create richly formatted tables to keep your data organized, with both basic and advanced operations in cells, rows, and columns.

Styling.

Styling

Built-in table styles are available and they will look like Microsoft Word table styles. More advanced styling options are also available.


Security

Encrypt and decrypt PDFs.

Encrypt and decrypt PDFs

Essential PDF supports both AES and RC4 encryption algorithms as per the ISO 32000 standards and PDF 2.0 security to protect documents against unauthorized access.

Digitally sign PDF files.

Digitally sign PDF files

Documents can be digitally signed using x509 certificates such as .pfx files with private keys with support for the online certificate status protocol (OCSP) and certificate revocation list (CRL) to offer authenticity and integrity.

Redact PDF.

Redact PDF content

Redaction is the process of removing sensitive or confidential information from PDF documents. The Syncfusion PDF Library provides an easy way to redact PDF contents.


Interactive elements

Annotations.

Annotations

Add, edit, and remove comments with highlighting, mark-up, free text, and 17+ annotations.

PDF actions.

PDF actions

Add predefined actions like form actions, launch actions, and named actions attachments, form fields, and annotations. The Library also supports custom PDF JavaScript actions.

Bookmarks.

Bookmarks

Add bookmarks to a PDF document to allow navigation interactively from one part of the PDF document to another. Editing and deletion of bookmarks are also supported.

Attachment.

Attachment

Add, extract, and delete attachments from a PDF document. The attachments can be of any file format.


Standardize

Accessibility.

Accessibility

Create a tagged PDF or PDF/UA with standard compliance with section 508 for the users who require assistive technologies when reading electronic content.

Optimize PDFs.

Optimize PDFs

Optimize an existing PDF document to reduce the file size and control metadata, image, and font options.

ZUGFeRD.

ZUGFeRD

Create ZUGFeRD-compliant PDF invoices to exchange structured data in public and private sectors. These human-readable invoices have with text, graphics, images, and machine-readable structured invoice data in XML format.



Barcodes

Barcode 1D.

1D barcodes

Create 1D or linear barcodes in a PDF document with vector quantity and save as raster images. Supported 1D barcodes are code39, codabar, code128a, and more.

Barcode 2D.

2D barcodes

Create 2D barcodes in a PDF document with vector quantity and save as raster images. Supported 2D barcodes are QR code, Data Matrix, and PDF417 barcode.


Feature Matrix

Document and Page Features .NET Core
Create a PDF document from scratch or modify an existing document.
Save the PDF document to a local or storage file.
Save the PDF document to a stream.
Open existing PDF documents from local or storage file.
Open existing PDF documents from stream.
Standard and custom page sizes.
Portrait and landscape orientations.
Document properties.
XMP metadata.
Custom metadata.
PDF standards conformance such as to PDF A1/B, PDF A2/B, and PDF A3/B.
Viewer preferences.
PDF portfolio.
Page layers.
Headers and footers.
Page labels.
Automatic fields such as page number field, date field, etc., for specific pages or the entire document.
Tagged PDF with section 508 compliance.
Security
Add digital signatures using x509 certificates.
Enable long-term validation (LTV) PDF signatures.
Encrypt/decrypt PDFs using 40-bit and 128-bit RC4 algorithm.
Encrypt/decrypt PDFs using 128-bit and 256-bit AES algorithm.
Encrypt/decrypt PDF using 256-bit AES algorithm with revision 6.
Redact PDF content
PDF contents
Add single, multiline, and multipage text with various standard and TrueType fonts.
Align text in RTL format for languages such as Arabic, Hebrew, etc.
Apply text formatting including colors, alignments, line and character spacing, etc.
Add formatted text to PDF from HTML tags.
Add complex script language text such as Thai, Hindi, Tamil, etc.
Embed JPEG and PNG images.
Embed TIFF images.
Create masked images using soft and image masking techniques.
Paginate images across multiple pages.
Add watermarks to the document using text or images.
Create richly formatted tables that can span across multiple pages.
Add geometric shapes like lines, rectangles, paths, curves, etc., to the page graphics.
Apply pen and brush for graphic elements such as text, shapes, etc.
Support for various color spaces such as CalRGB, CalGray, Indexed, Separation, etc.
Apply patterns and shadings to the graphics.
Insert hyperlinks that can navigate to a webpage, remote file, or even to a different region in the same document.
Fonts
14 types of standard or base fonts.
CJK (Chinese, Japanese, and Korean) fonts.
TrueType fonts.
Unicode TrueType fonts.
Tables
Import from different data sources.
Strongly typed IEnumerable objects.
Add row, column, cell, and table formatting.
Add row headers that can be repeated for all the pages.
Paginate tables across multiple pages with the ability to handle horizontal overflow.
Merge rows and columns.
Create nested tables that span across pages.
Forms
Create and modify forms.
Support for form fields like push button field, check box field, radio button field, text box field, list field, and combo box field.
Remove or reposition form fields.
Flatten the entire form or specific fields in the documents.
Import and export form data from FDF, XFDF, and XML files.
XFA forms.
Document Conversions
Convert HTML from URL/disk/string to PDF.
Convert Word documents to PDF.
Convert Excel and PowerPoint presentation to PDF.
Convert Rich Text Format (RTF) files to PDF.
Convert XPS to PDF document with native graphics.
Barcodes
One-dimensional barcodes: Code 39, Code 39 Extended, Code 11, Codabar, Code 32, Code 93, Code 93 Extended, Code 128A, Code 128B, UPC bar code, and Code 128C.
Two-dimensional barcodes such as QR code, Data Matrix, and PDF417 barcodes.
Interactive Elements
Add annotations with associated notes.
Embed files as attachments.
Create/modify bookmarks for easier navigation.
Apply actions for elements such as form fields, bookmarks, links, etc.
Flatten all annotations or a specific annotation in the documents.
Annotation Types
Attachment annotation
Document link annotation
File link annotation
Ink annotation
Line annotation
3D annotation
Circle annotation
Ellipse annotation
FreeText annotation
Polygon annotation
Rectangle annotation
Square annotation
Text markup annotation
Pop-up annotation
Rubber stamp annotation
Sound annotation
URI annotation
Measurement Annotations
Line measurement annotation
Square measurement annotation
Circle measurement annotation
Action Types
Form action
Goto action
JavaScript action
Launch action
Named action
Field action
Reset action
Sound action
Submit action
URI action

Awards

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.

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