| General Features, I/O and Security Support |
| Document Creation (new documents) |
| Document Modification and Processing (existing documents) |
| Document Re-organization |
| Acroforms Processing (PDF eForms) |
| Document Viewing |
| Document Printing |
| Document Outline Viewing |
| ASP.NET Support |
| General Features, I/O and Security Support |
ProPlus |
| 100% .NET code |
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| Add and remove thumbnails |
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| Email after saving to file |
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| Fully support PDF version 1.3 through 1.6 (Acrobat 4 through 7) files |
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| Load from file and memory stream |
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| Password-protect document with 40-bit and 128-bit encryption |
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| Read and edit document information properties, such as Title, Author, Subject, Keywords… |
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| Read and edit document's viewer preferences |
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| Read encrypted documents (password required) |
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| Read XML metadata of document |
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| Rendering of all image formats supported by .NET framework |
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| Save to file and memory stream |
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| Save to HTTP response |
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| Support Flate Encode/Decode, ASCII85 Encode/Decode, ASCIIHex Encode/Decode, RunLength Encode/Decode, LZW Encode/Decode compression techniques |
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| Support for text rendering in Unicode (for all character sets – Eastern Europe, Chinese, Japanese…) |
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| Support for Unicode text in watermarks, document information, bookmarks and text annotations |
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| Support full embedding of TrueType and OpenType fonts |
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| Support subset embedding of TrueType and OpenType fonts |
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| Support TrueType and OpenType fonts |
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| Document Creation (new documents) |
ProPlus |
| Add actions to links and annotations |
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| Add annotations - text, link, free text, line, square, circle, highlight, underline, squiggly, strikeout, stamp, ink, caret and more |
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| Add document-level and page-level actions |
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| Add signature form fields - visible and hidden digital signatures, blank signature form fields |
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| Embed document-level file attachments |
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| Insert page-level file attachments |
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| Render shapes, images and text using CMYK |
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| Specify transparency levels for text, images, and shapes |
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| Support advanced rendering functions – header/hooter, paragraph, table, text box, watermark/stamping and auto-pagination for text |
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| Document Modification and Processing (existing documents) |
ProPlus |
| Add actions to annotations [URI, go-to, remote go-to, launch, JavaScript, and named] |
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| Add actions to bookmarks [URI, go-to, remote go-to, launch, JavaScript, and named] |
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| Add page headers and footers |
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| Add various transition effects to enable a PDF document to be used as a presentation slide |
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| Add, edit, and delete annotations |
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| Add, edit, and delete bookmarks |
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| Change document restrictions |
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| Change document viewer settings |
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| Change document viewer window settings |
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| Change owner and user passwords |
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| Change page layout |
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| Draw shapes such as circles, ellipses, squares, rectangles, lines, polylines, polygons… |
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| Extract text |
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| Insert page-level and document-level attachments |
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| Insert watermarks and stamps with text and images |
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| Modify signature form fields - filling blank signature form fields, removing all existing signatures |
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| Parse PDF page elements |
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| Place autotext in rendered text [page number, total page count, time, and date] |
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| Redact text (using literal text and regular expressions) and page regions |
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| Search text (using literal text and regular expressions) |
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| Write formatted text with various fonts |
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| Document Re-organization |
ProPlus |
| Copy pages from one document and append or insert them in to another document |
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| Include/exclude bookmarks, annotations, form-fields, page-level actions, document-level actions from page reorganization operations |
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| Merge several documents into one |
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| Split a document into several new documents |
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| Acroforms Processing (PDF eForms) |
ProPlus |
| Clone form field |
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| Create new PDF form fields |
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| Delete form field |
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| Export form field values to an FDF file |
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| Flatten existing form fields to make them non-interactive |
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| Import form field values from an FDF file |
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| Read and Fill form field values |
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| Document Viewing |
ProPlus |
| Navigate using keys |
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| Page buffering for smooth scrolling |
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| Render text, shape and image elements |
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| Rendering CCITT4 images |
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| Rendering JBIG2 images |
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| Specify character and word spacing |
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| Support for TrueType and Type 1 fonts |
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| Document Printing |
ProPlus |
| Page-level printing events |
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| Print page sub ranges (All, even, odd and custom-selected pages) |
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| Rendering JBIG2 images |
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| Scaling to printable area |
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| Document Outline Viewing |
ProPlus |
| Integration with viewer component |
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| Interactive tree-view display of PDF bookmarks |
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| ASP.NET Support |
ProPlus |
| Printing PDF - client-side printing by PDF viewer control (MVC) |
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| Printing PDF - client-side printing by PDF viewer control (Web Forms) |
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| Reading from PDF |
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| Viewing PDF - PDF viewer control (MVC) |
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| Viewing PDF - PDF viewer control (Web Forms) |
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| Writing to PDF |
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