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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:

All PDF versions up to PDF 1.7 (Acrobat 8)

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 4.1:

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 4.1 Windows Desktop Systems 1 User License for Windows 2000/XP/Vista/7 on x86/x64, PDFlib TET 4.1 Windows Desktop Systems 1 User License for Windows 2000/XP/Vista/7 on x86/x64, price per license from 5-9 Licenses, PDFlib TET 4.1 Windows Desktop Systems 1 User License for Windows 2000/XP/Vista/7 on x86/x64, price per license from 10 Licenses, PDFlib TET 4.1 Windows Desktop Systems with Annual Support 1 User License for Windows 2000/XP/Vista/7 on x86/x64 , PDFlib TET 4.1 Windows Desktop Systems with Annual Support 1 User License for Windows 2000/XP/Vista/7 on x86/x64 , price per license from 5-9 Licenses, PDFlib TET 4.1 Windows Desktop Systems with Annual Support 1 User License for Windows 2000/XP/Vista/7 on x86/x64 , price per license from 10 Licenses, PDFlib TET Windows Desktop Systems Annual Support Renewal 1 User License for Windows 2000/XP/Vista/7 on x86/x64 , PDFlib TET Windows Desktop Systems Annual Support Renewal 1 User License for Windows 2000/XP/Vista/7 on x86/x64 , price per license from 5-9 Licenses, PDFlib TET Windows Desktop Systems Annual Support Renewal 1 User License for Windows 2000/XP/Vista/7 on x86/x64 , price per license from 10 Licenses, PDFlib TET 4.1 Mac OS X Desktop Systems 1 User License for Apple Mac OS X PPC/Intel, PDFlib TET 4.1 Mac OS X Desktop Systems 1 User License for Apple Mac OS X PPC/Intel, price per license from 5-9 Licenses, PDFlib TET 4.1 Mac OS X Desktop Systems 1 User License for Apple Mac OS X PPC/Intel, price per license from 10 Licenses, PDFlib TET 4.1 Mac OS X Desktop Systems with Annual Support 1 User License for Apple Mac OS X PPC/Intel , PDFlib TET 4.1 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 4.1 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 4.1 Windows Server Systems 1 Server License for Windows Server 2003/2003 R2/2008/2008 R2 on x86/x64, PDFlib TET 4.1 Windows Server Systems 1 Server License for Windows Server 2003/2003 R2/2008/2008 R2 on x86/x64, price per license from 5-9 licenses, PDFlib TET 4.1 Windows Server Systems 1 Server License for Windows Server 2003/2003 R2/2008/2008 R2 on x86/x64, price per license from 10 licenses, PDFlib TET 4.1 Windows Server Systems with Annual Support 1 Server License for Windows Server 2003/2003 R2/2008/2008 R2 on x86/x64 , PDFlib TET 4.1 Windows Server Systems with Annual Support 1 Server License for Windows Server 2003/2003 R2/2008/2008 R2 on x86/x64 , price per license from 5-9 licenses, PDFlib TET 4.1 Windows Server Systems with Annual Support 1 Server License for Windows Server 2003/2003 R2/2008/2008 R2 on x86/x64 , price per license from 10 licenses, PDFlib TET Windows Server Systems Annual Support Renewal 1 Server License for Windows Server 2003/2003 R2/2008/2008 R2 on x86/x64 , PDFlib TET Windows Server Systems Annual Support Renewal 1 Server License for Windows Server 2003/2003 R2/2008/2008 R2 on x86/x64 , price per license from 5-9 licenses, PDFlib TET Windows Server Systems Annual Support Renewal 1 Server License for Windows Server 2003/2003 R2/2008/2008 R2 on x86/x64 , price per license from 10 licenses, PDFlib TET 4.1 Mac OS X Server Systems 1 Server License for Apple Mac OS X Server PPC/Intel, PDFlib TET 4.1 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 4.1 Mac OS X Server Systems 1 Server License for Apple Mac OS X Server PPC/Intel, price per license from 10 licenses, P

Evals & Downloads: Read the PDFlib TET Manual, Read the PDFlib TET Datasheet, Read the PDFlib Case Study - discusses various scenarios where PDF/A application problems can be solved with PDFlib products, Read the PDF/A Whitepaper - discusses PDFlib features for creating PDF/A output suitable for long-term document archival, Read the XMP Whitepaper - discusses XMP, XMP support in PDFlib products and possible XMP workflows, Read the PDFlib General License and Support Conditions, Download the PDFlib TET 4.1 Windows evaluation on to your computer - Fully Functional Limited Input Size, Download the PDFlib TET 4.1 Mac OS X evaluation on to your computer - Fully Functional Limited Input Size, Download the PDFlib TET 4.1 Linux evaluation on to your computer - Fully Functional Limited Input Size

Operating System for Deployment: Windows 7, Windows Server 2008, Windows Vista, Windows XP, Windows Server 2003, Windows 2000, 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-517723-444399 517723-444399 PC-517723-444404 517723-444404 PC-517723-444405 517723-444405 PC-517723-444414 517723-444414 PC-517723-444415 517723-444415 PC-517723-444416 517723-444416 PC-517723-444429 517723-444429 PC-517723-444430 517723-444430 PC-517723-444431 517723-444431 PC-517723-444400 517723-444400 PC-517723-444406 517723-444406 PC-517723-444407 517723-444407 PC-517723-444417 517723-444417 PC-517723-444418 517723-444418 PC-517723-444419 517723-444419 PC-517723-444432 517723-444432 PC-517723-444433 517723-444433 PC-517723-444434 517723-444434 PC-517723-444401 517723-444401 PC-517723-444408 517723-444408 PC-517723-444409 517723-444409 PC-517723-444420 517723-444420 PC-517723-444421 517723-444421 PC-517723-444422 517723-444422 PC-517723-444435 517723-444435 PC-517723-444436 517723-444436 PC-517723-444437 517723-444437 PC-517723-444402 517723-444402 PC-517723-444410 517723-444410 PC-517723-444411 517723-444411 PC-517723-444423 517723-444423 PC-517723-444424 517723-444424 PC-517723-444425 517723-444425 PC-517723-444438 517723-444438 PC-517723-444439 517723-444439 PC-517723-444440 517723-444440 PC-517723-444403 517723-444403 PC-517723-444412 517723-444412 PC-517723-444413 517723-444413 PC-517723-444426 517723-444426 PC-517723-444427 517723-444427 PC-517723-444428 517723-444428 PC-517723-444441 517723-444441 PC-517723-444442 517723-444442 PC-517723-444443 517723-444443