PDFlib TET - Summary

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Summary

PDFlib TET by PDFlib

URLs: pdflib-tet, pdflib tet, pdflibtet, pdflib

Text extraction toolkit. PDFlib TET (Text Extraction Toolkit) reliably extracts text, images and metadata from any PDF file. It is available as a library/component and as a command-line tool. PDFlib TET makes available the text contents of a PDF as Unicode strings or structured XML, plus detailed glyph and font information. With PDFlib TET you can retrieve the corresponding Unicode values for text in a PDF document, as well as its position on the page.

In addition to low-level text retrieval TET contains advanced content analysis algorithms for determining word boundaries, removing redundant duplicate text (such as shadows and artificial bold). Using the auxiliary pCOS interface you can retrieve arbitrary objects from the PDF, such as metadata, hypertext, etc.

With PDFlib TET you can:

Extract text from PDF, e.g. to store it in a database

Implement a search engine for processing PDF

Convert the text content of PDF pages to XML for processing with other tools

Process PDFs based on their contents

Supported PDF Input

PDFlib TET supports all relevant flavors of PDF input:

PDF 1.0 up to PDF 1.7 extension level 8 and PDF 2.0, corresponding to Acrobat 1-XI

All font and encoding types: base 14 fonts, TrueType, PostScript, OpenType, CID fonts

Encrypted PDF with 40- and 128-bit encryption (appropriate permission settings or password required)

Unicode

Although text in PDF is usually not encoded in Unicode, PDFlib TET will normalize the text from a PDF document to Unicode:

TET converts all text contents to Unicode. In C the text will be returned in the UTF-8 or UTF-16 formats, and as native Unicode strings in all other language bindings

Ligatures and other multi-character glyphs will be decomposed into a sequence of their constituent Unicode characters

Vendor-specific Unicode assignments (Private Use Area, PUA) are identified, and mapped to characters in the common Unicode area if possible

Glyphs without appropriate Unicode mappings are identified as such, and are mapped to a configurable replacement character

Full CJK Support

TET includes full support for extracting Chinese, Japanese, and Korean text. All predefined CJK CMaps (encodings) are recognized; horizontal and vertical writing modes are supported.

Content Analysis and Word Identification

TET can be used to retrieve low-level glyph information, but also includes advanced algorithms for content analysis:

Detect word boundaries to retrieve words instead of characters

Recombine the parts of hyphenated words

Remove duplicate instances of text, e.g. shadow and artificial bold text

Recombine paragraphs into reading order

Reorder text which is scattered over the page

Reconstruct lines of text

Geometry

TET provides precise metrics for the text, such as the position on the page, glyph widths, text direction. Specific areas on the page can be excluded or included in the text extraction, e.g. to ignore headers and footers or margins.

pCOS Interface for simple Access to PDF Objects

TET includes the pCOS (PDFlib Comprehensive Object System) interface for retrieving arbitrary PDF objects. With pCOS you can retrieve PDF metadata, hypertext, or any other information outside the actual page descriptions with a simple query interface without the need for low-level programming.

Programming and Performance

TET has been developed with portability, performance, and robustness in mind. TET is thread-safe for deployment in multi-threaded server applications. The core library is written in highly optimized C code for maximum performance and minimum overhead. Additional language bindings are available for COM, C, C++, Java, and .NET.

TET Command-Line Tool and TET Library

TET is available as a programming library (component) for various development environments, and as a command-line tool for batch operations. Both offer the same base functionality, but are suitable for different deployment tasks. Here are some guidelines for choosing among both TET flavors:

The TET programming library can be used for integration into your desktop or server application. Examples for using the library with all supported language bindings are included in the TET package

The TET command-line tool is suited for batch processing PDF documents. It doesn’t require any programming, but offers command-line options which can be used to integrate it into complex workflows. The TET command-line tool can be used to convert PDF page content to an XML document with Unicode text, with or without character metrics

TET Plugin

PDFlib TET Plugin is a free plugin for extracting Text out of PDF documents. The TET Plugin provides easy access to the PDFlib Text Extraction Toolkit (TET). Although the TET Plugin runs as an Acrobat plugin, the underlying text extraction does not use Acrobat functions, but is completely based on TET. The TET Plugin is provided as a technology study to demonstrate the power of PDFlib TET.

What's new in TET 4.2:

Enhanced repair mode for damaged PDF and improved robustness against various kinds of malformed data

Improved word boundary detection for ideographic CJK text and implemented the page option »ideographic«

Implemented the new page option keyword »docstyle=cad«

Extract images in JBIG2 format

Improved image merging to cover more flavors of PDF images

Made image merging more robust against malformed PDF images

Improved the ordering of placed images in TETML

Optionally omit ICC profiles from extracted images

Optionally use LZW compression for extracted TIFF images as alternative to Flate (also known as »Adobe Flate«) compression.

What's new in TET 4.1:

Reduced memory requirements for very large documents

Performance improvements

Support for PDF documents encrypted with Acrobat X

General Unicode and codepage conversion function

Bug fixes and robustness improvements

Improved heuristics for processing malformed PDF input

Additional PDF details available in TETML output

PCOS interface 8 with new pseudo objects, e.g. for detecting transparency

Improved handling of encrypted file attachments

Connectors, language bindings and platforms:

TET connector for the Apache TIKA toolkit

New language bindings for Objective-C and Ruby

Object-oriented interface for Python

Updates for language bindings, connectors and platform support

Support for iOS, Android and (soon) Windows Embedded Compact/CE

Additional news in TET PDF IFilter 4.1:

New configuration options for controlling the indexing process

Improved automatic language detection

Gracefully handle non-PDF file attachments

New features in PDFlib TET 4.0:

Performance enhancements: faster for many classes of documents

Higher speed and smaller memory consumption for very large documents up to hundreds of thousands of pages

Extract right-to-left and bidirectional text for Arabic, Hebrew, etc.

Unicode postprocessing:

Foldings preserve, remove or replace characters

Decompositions replace a character with an equivalent sequence, e.g. replace narrow or vertical Japanese characters with their standard counterparts.

Text can be converted to all four Unicode normalization forms, e.g. emit NFC form to meet the requirements for Web text or a database.

Improved shadow removal, word boundary detection, and dehyphenation

Improved superand subscript detection

Workarounds for non-conforming PDF documents to enhance robustness

Enhanced repair mode for successfully extracting text from damaged PDF

More information in TET's XML output (TETML), e.g. dehyphenation, dropcap, shadow, and super/subscript

Improved C++ and Perl language bindings

Text extraction toolkit.

Pricing: PDFlib TET 4.2 Windows Desktop Systems 1 User License for Windows XP/Vista/7/8 on x86/x64, PDFlib TET 4.2 Windows Desktop Systems 1 User License for Windows XP/Vista/7/8 on x86/x64, price per license from 5-9 Licenses, PDFlib TET 4.2 Windows Desktop Systems 1 User License for Windows XP/Vista/7/8 on x86/x64, price per license from 10 Licenses, PDFlib TET 4.2 Windows Desktop Systems with Annual Support 1 User License for Windows XP/Vista/7/8 on x86/x64 , PDFlib TET 4.2 Windows Desktop Systems with Annual Support 1 User License for Windows XP/Vista/7/8 on x86/x64 , price per license from 5-9 Licenses, PDFlib TET 4.2 Windows Desktop Systems with Annual Support 1 User License for Windows XP/Vista/7/8 on x86/x64 , price per license from 10 Licenses, PDFlib TET Windows Desktop Systems Annual Support Renewal 1 User License for Windows XP/Vista/7/8 on x86/x64 , PDFlib TET Windows Desktop Systems Annual Support Renewal 1 User License for Windows XP/Vista/7/8 on x86/x64 , price per license from 5-9 Licenses, PDFlib TET Windows Desktop Systems Annual Support Renewal 1 User License for Windows XP/Vista/7/8 on x86/x64 , price per license from 10 Licenses, PDFlib TET 4.2 Mac OS X Desktop Systems 1 User License for Apple Mac OS X PPC/Intel, PDFlib TET 4.2 Mac OS X Desktop Systems 1 User License for Apple Mac OS X PPC/Intel, price per license from 5-9 Licenses, PDFlib TET 4.2 Mac OS X Desktop Systems 1 User License for Apple Mac OS X PPC/Intel, price per license from 10 Licenses, PDFlib TET 4.2 Mac OS X Desktop Systems with Annual Support 1 User License for Apple Mac OS X PPC/Intel , PDFlib TET 4.2 Mac OS X Desktop Systems with Annual Support 1 User License for Apple Mac OS X PPC/Intel , price per license from 5-9 Licenses, PDFlib TET 4.2 Mac OS X Desktop Systems with Annual Support 1 User License for Apple Mac OS X PPC/Intel , price per license from 10 Licenses, PDFlib TET Mac OS X Desktop Systems Annual Support Renewal 1 User License for Apple Mac OS X PPC/Intel , PDFlib TET Mac OS X Desktop Systems Annual Support Renewal 1 User License for Apple Mac OS X PPC/Intel , price per license from 5-9 Licenses, PDFlib TET Mac OS X Desktop Systems Annual Support Renewal 1 User License for Apple Mac OS X PPC/Intel , price per license from 10 Licenses, PDFlib TET 4.2 Windows Server Systems 1 Server License for Windows Server x86/x64, PDFlib TET 4.2 Windows Server Systems 1 Server License for Windows Server x86/x64, price per license from 5-9 licenses, PDFlib TET 4.2 Windows Server Systems 1 Server License for Windows Server x86/x64, price per license from 10 licenses, PDFlib TET 4.2 Windows Server Systems with Annual Support 1 Server License for Windows Server x86/x64 , PDFlib TET 4.2 Windows Server Systems with Annual Support 1 Server License for Windows Server x86/x64 , price per license from 5-9 licenses, PDFlib TET 4.2 Windows Server Systems with Annual Support 1 Server License for Windows Server x86/x64 , price per license from 10 licenses, PDFlib TET Windows Server Systems Annual Support Renewal 1 Server License for Windows Server x86/x64 , PDFlib TET Windows Server Systems Annual Support Renewal 1 Server License for Windows Server x86/x64 , price per license from 5-9 licenses, PDFlib TET Windows Server Systems Annual Support Renewal 1 Server License for Windows Server x86/x64 , price per license from 10 licenses, PDFlib TET 4.2 Mac OS X Server Systems 1 Server License for Apple Mac OS X Server PPC/Intel, PDFlib TET 4.2 Mac OS X Server Systems 1 Server License for Apple Mac OS X Server PPC/Intel, price per license from 5-9 licenses, PDFlib TET 4.2 Mac OS X Server Systems 1 Server License for Apple Mac OS X Server PPC/Intel, price per license from 10 licenses, PDFlib TET 4.2 Mac OS X Server Systems with Annual Support 1 Server License for Apple Mac OS X Server PPC/Intel , PDFlib TET 4.2 Mac OS X Server Systems with Annual Support 1 Server License for Apple Mac OS X Server PPC/Intel , price per license from 5-9 licenses, PDFlib TET 4.2 Mac OS X

Evals & Downloads: Read the PDFlib TET Manual, Read the PDFlib TET Datasheet, Read the PDFlib General License and Support Conditions, Download the PDFlib TET 4.2 Windows evaluation on to your computer - Fully Functional Limited Input Size, Download the PDFlib TET 4.2 Mac OS X evaluation on to your computer - Fully Functional Limited Input Size, Download the PDFlib TET 4.2 Linux evaluation on to your computer - Fully Functional Limited Input Size

Operating System for Deployment: Windows 8, Windows 7, Windows Server 2008, Windows Vista, Windows XP, Windows Server 2003, Linux Kernel V2.4.x, FreeBSD 5.x, FreeBSD 6.x, MacOS 10.6, MacOS 10.5, Mac OS X

Architecture of Product: 32Bit, 64Bit

Product Type: Component, Application

Component Type: .NET Class, ActiveX DLL, DLL, JavaBean

Compatible Containers: Microsoft Visual Studio 2005, Microsoft Visual Studio .NET 2003, Microsoft Visual Studio 6.0, Microsoft Visual Basic 2005, Microsoft Visual Basic .NET 2003, Microsoft Visual Basic 6.0, Microsoft Visual C++ 2005, Microsoft Visual C++ .NET 2003, Microsoft Visual C++ 6.0, Microsoft Visual C# 2005, Microsoft Visual C# .NET 2003, Microsoft Visual J++ 6.0, Microsoft Visual InterDev 6.0, CodeGear C++ 5.0 (formerly Borland), C++Builder 2006, C++Builder 6, Delphi 2007 for Win32, Delphi 2006 (10.0), Delphi 2005 (9.0), Delphi 8.0, Delphi 7.0, Delphi 6.0, JBuilder 2006, JBuilder X, JBuilder 9, .NET Framework 2.0, Eclipse V3.3

Keywords: extract text from PDF PDFs extraction extracted

PDFlib GmbH

pdf

Conversion Convert converts converting

Text word words processing textbox

Part numbers: PC-517723-563207 517723-563207 PC-517723-563217 517723-563217 PC-517723-563219 517723-563219 PC-517723-563237 517723-563237 PC-517723-563239 517723-563239 PC-517723-563241 517723-563241 PC-517723-563267 517723-563267 PC-517723-563269 517723-563269 PC-517723-563271 517723-563271 PC-517723-563209 517723-563209 PC-517723-563221 517723-563221 PC-517723-563223 517723-563223 PC-517723-563243 517723-563243 PC-517723-563245 517723-563245 PC-517723-563247 517723-563247 PC-517723-563273 517723-563273 PC-517723-563275 517723-563275 PC-517723-563277 517723-563277 PC-517723-563211 517723-563211 PC-517723-563225 517723-563225 PC-517723-563227 517723-563227 PC-517723-563249 517723-563249 PC-517723-563251 517723-563251 PC-517723-563253 517723-563253 PC-517723-563279 517723-563279 PC-517723-563281 517723-563281 PC-517723-563283 517723-563283 PC-517723-563213 517723-563213 PC-517723-563229 517723-563229 PC-517723-563231 517723-563231 PC-517723-563255 517723-563255 PC-517723-563257 517723-563257 PC-517723-563259 517723-563259 PC-517723-563285 517723-563285 PC-517723-563287 517723-563287 PC-517723-563289 517723-563289 PC-517723-563215 517723-563215 PC-517723-563233 517723-563233 PC-517723-563235 517723-563235 PC-517723-563261 517723-563261 PC-517723-563263 517723-563263 PC-517723-563265 517723-563265 PC-517723-563291 517723-563291 PC-517723-563293 517723-563293 PC-517723-563295 517723-563295