Thema: Diverse PDF-Tools ...

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AlterPDF includes a handy set of free PDF tools that allow you to convert, modify and sign your PDF documents with ease.

With AlterPDF you can convert PDF to images, as well as convert JPG and other pictures to PDF, extract text and images. You can also merge PDF files into one document, or split PDF into multiple files; rotate, crop and remove desired pages from PDF. It is also possible to encrypt, decrypt, sign PDF, and change metadata.

Freemium

Whats new:>>

    Changes and improvements in interface;
    New Security options: PDF protection;
    New Image to PDF options: slideshow.

https://www.alterpdf.net/

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Erzeugt mehrseitige PDF-Dokumente direkt beim Scannen; unterstützt handelsübliche TWAIN oder WIA kompatible Einzugs- oder Flachbettscanner; bietet Farbmarker, Bilddrehung und nachträgliches Umsortieren.

Freeware

Whats new:>>

Fix Doppelklick Bug der Bildbearbeitung
Optimierung Visueller Dateinamen
WIA Duplex update
Neuer Schieberegler für die Marker Pinsel Größe und Transparenz
Neue Skins für Office 2019 Style und Nativ Style

http://www.horland.de/scan2pdf.html

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Kleines Scan-Tool, das die über das Programm eingescannten Dokumente direkt in PDF-Dateien umwandelt

Freeware

What's new: >>

Bugfix: Wenn die Standardsystemsprache für die Unterstützung mehrerer Sprachen erkannt wird
Allgemeine Verbesserungen im Scan to PDF Tool
Wichtiges Update der Sprachdateien

http://www.softwareok.de/?seite=Microsoft/WinScan2PDF

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doPDF is a free PDF converter for both personal and commercial use. Using doPDF you can create PDF files by selecting the "Print" command from virtually any application. With one click you can convert your Microsoft Excel, Word or PowerPoint documents or your emails and favorite web sites to PDF files. doPDF is a free PDF converter, it is not a PDF viewer. To view PDF files you will need the free Adobe Reader.

doPDF installs itself as a virtual PDF printer driver so after a successful installation will appear in your Printers and Faxes list. To convert to PDF, you just have to print the document to doPDF, the free pdf converter. Open a document (with Microsoft Word, WordPad, NotePad or any other software), choose Print and select doPDF. It will ask you where to save the PDF file and when finished, the PDF file will be automatically opened in your default PDF viewer.

License: Freeware

Changelog

    Updated: Language updates
    Fixed: Save dialog correction for doPDF

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http://www.dopdf.com/

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Use this neat app to edit and thoroughly modify your PDF documents, by choosing from a series of options, and complete your work successfully.

Freeware

Whats new:>>

    fixed bug: the black border for free text
    fixed bug: saving automatically adds new comments
    fixed the title of the print preview
    can print big-size PDF now
    fixed bug: free text not visible in Edge browser
    the default mode is Fit Window now
    "Share" can automatically attach the PDF to the email now

http://www.compuclever.com/products/ultra-pdf/

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What's new: >>

Wichtiger Fix: Unterstützung für Fotos zu PDF
Verbesserungen: In der Weitergabe-Funktion der Freeware "Scan zu PDF"
Aktualisierung der Sprachdateien

http://www.softwareok.de/?seite=Microsoft/WinScan2PDF

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K2pdfopt (Kindle 2 PDF Optimizer) is a free, portable app which optimizes the format of PDF or DJVU files for viewing on smaller mobile devices.

Freeware

Changelog

    NEW FEATURES:

    Automatically downloads Tesseract v4.0 training files from github.
    Use -y for no prompting. See -ocrlang command usage for full details.
    Added new -go (grid order) option to specify the order in which
    Areas in gridded pages are processed. Grid area processing also
    Defaults to right-to-left if -r is specified.

    ENHANCEMENTS:

    Prints Tesseract init info at the beginning of each file conversion
    Now--in the GUI also.
    Redirects Tesseract library debug statements to a log file. Prints
    Them out if it cannot initialize correctly.
    Re-edited a lot of the -mode usage descriptions.
    CMakeLists.txt files updated.
    Added Kobo Clara HD, Kobo Forma, and Kobo Libra H2O to device list
    (using preliminary resolution numbers).
    Windows version now compiled with gcc 9.3.1 on a core i9-9900.

    MS WINDOWS GUI

    Tesseract language selection and download fully supported.
    Added three more preset buttons for a total of seven.
    Added "View" button to GUI to view PDF source file.

    BUG FIXES:

    Fixed issue where OCR layer placement from an already generated
    OCR layer was not correct if a document scale factor not equal
    To 1 was used (e.g. -ds 2).
    Hopefully improved detection of out-of-family small rows.
    Modified textrows_remove_small_rows() in textrows.c and also added
    Rhmin option to remove any row w/text height less than a certain value.
    http://Https://www.mobileread.com/forums/showthread.php?p=3693210#post3693210
    http://Https://www.mobileread.com/forums/showthread.php?p=2781815#post2781815
    Fixed some issues with -fr option. Added -ddr option (-ddr- to turn
    Off double-row detect) to prevent tall figures from potentially
    Getting broken up inadvertently. Modified k2proc.c to
    "rotate the trow" structure next the end of bmpregion_add() function.
    http://Https://www.mobileread.com/forums/showthread.php?p=3549163#post3549163
    Fixed issue where the output margins weren't exactly right in the
    Case of -mode trim. See k2settings_adjust_devdims_for_om() function
    In k2settings.c. (PM from Tex2002ans on MR.)
    Added textrows_remove_defects() function to bmpregion_find_textrows()
    In bmpregion.c. This helped fix an issue where rows were not
    Getting selected properly in a document due to small scanning

    Defects.

    Fixed implementation of -bp <gap>. This had been broken for some
    Time. It was getting overridden by other features. See mods to
    K2proc.c and k2master.c.

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http://www.willus.com/k2pdfopt/

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The Ipe extensible drawing editor ist ein freier Vektorgrafik-Editor zum Zeichnen von Vektorgrafiken im PDF- oder EPS-Format. Besonders geeignet ist das Programm, um Illustrationen zur Einbindung in LaTeX-Dokumente zu erstellen. Mehrseitige PDF-Präsentationen mit Übergangseffekten können leicht erzeugt werden.

GPL

Changelog

    Improve pasting bitmaps on Windows and Qt: you can now paste images directly from the file browser, with the additional benefit that jpeg files are now treated as jpeg images. This also works from the Photos app in Windows 10 and e.g. in "xviewer" (#328).
    Fix text object colour not updating when it is changed from the selector (bug #333, this was broken by 7.2.15).
    Fix bookmarks not working when exporting with -markedview (bug #331).
    Fix crash in ink mode when current color is not symbolic (bug #326).
    On Win32, fix transient selector events causing an attribute change. (Fixes bug #327.)
    Delay showing "Running Latex" dialog by 300ms to avoid showing it when Latex is fast (Windows and Qt).
    Run Latex after paste actions, undo, and redo, where it might be necessary.

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http://ipe.otfried.org/

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PDFCreator ist ein kostenloses Programm, mit dem sich Dokumente eines jeden Windows-Programms als PDF-Datei speichern lassen. Es wird dazu als Drucker in das System eingebunden und erlaubt so die Ausgabe in eine PDF-Datei.

Die Qualität der erstellten Dokumente ist dabei ähnlich hoch wie bei den Produkten von Adobe. Zum weiteren Funktionsumfang von PDFCreator gehört eine 128-Bit-Verschlüsselung, die die Dateien vor unerwünschten Zugriffen schützt. Auch eine Bündelung mehrerer Dokumente zu einer PDF-Datei ist möglich.

Freemium

Changelog

Improvements

    PDFCreator Professional and Terminal Server: This release introduces a new action to forward the print job to another profile - e.g. to convert to additional formats or multiply actions.
    In addition to backgrounds, it is now possible to add watermarks - both with variable opacity.
    When adding a background or watermark, the original size can be kept by disabling fit to page.
    E-mails sent with PDFCreator can now have additional attachments.
    Uploading to a FTP server is now possible via SFTP.
    There is a new command line parameter which installs missing printers to sync settings and printers.
    PDFCreator Professional and Terminal Server: The user is informed about an impending license expiration and can activate a reminder.
    PDFCreator Professional and Terminal Server: It is now possible to deactivate the workflow overview via the group policy management.

Bugs fixed

    PDFCreator Professional, PDFCreator Terminal Server: Under certain conditions, entering the license key in the setup could result in a crash or close the setup screen immediately.
    The print action was not working.
    Under certain conditions uploading files via FTP to an empty folder could fail.
    A desktop shortcut was created even though it was deselected during the setup.
    Downloading an update was occasionally giving an error.

Other Changes

    In 2021 we will drop official support for Windows 7 and Windows Server 2008 R2. We do not prohibit the installation and it is very likely it will continue to work, but the releases will not be tested under these operating systems.
    The new setup (that we introduced with PDFCreator 4.0.0) now supports commmand line parameters. Please give us feedback, if you require any other parameter from our legacy setup.
    The COM examples were updated and improved.

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http://www.pdfforge.org/

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Small python-gtk application, which helps the user to merge or split pdf documents and rotate, crop and rearrange their pages using an interactive and intuitive graphical interface .

License: Open Source

Whats new:>>

Fix: 'PdfArranger' object has no attribute 'set_export_file'

https://github.com/jeromerobert/pdfarranger

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Mit Easy Pdf können Sie gescannte Dokumente einfach in ein PDF speichern. Diese gescannten Daten können für kleinste PDF-Dateien automatisch komprimiert werden. Sie können auch vorhandene PDF Dateien laden und bearbeiten. Es ist einfach, Seiten zu verschieben oder zu löschen. Sie können auch einzelne Seiten von einem PDF zu einem anderen kopieren.

Freeware

https://www.beanox.com/products/easy-pdf

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SepPDF is a tiny PDF file splitter with drag-and-drop support.

License: Freeware

Whats new:>>

Fixed some bugs.

http://www.ne.jp/asahi/foresth/home/indexe.htm

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ORPALIS PDF Reducer is a powerful PDF compression Software for end users and developers meant to help anyone to get existing PDF files reduced up to 80% more than concurrent products.

To achieve that, ORPALIS PDF Reducer provides different innovative and highly sophisticated size-reducing techniques which can be optionally applied by user selection.

Features:

Content segmentation to increase compression ratio.
Automatically applies the most effective compression scheme based on data type.
Serialization of several compression algorithms.
Uses innovative automatic color detection mechanism.
Page layout analysis.
Embedded raster images re-sampling.
Embedded raster images re-compression.
Unused objects removing.
Remove unwanted specific objects such as annotations, bookmarks, formfields, embedded files...

Freemium

http://www.orpalis.com/

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PDF Shaper is a free PDF converter and extractor with easy-to-use user interface and many useful features such as multipage and batch PDF conversion, tab formatting, extraction of specified elements.

Features:

Convert PDF documents to MS Word format
Extract specified PDF elements (text, tables, images)
Format output documents
Batch conversion of PDF documents
Converts tables and tabbed columns
Detects numbered and bulleted lists
Recognizes several types of font encoding

Freemium

Changelog

    New Features:

    Added Italian translation.
    "Delete annotations" and "Delete bookmarks" added to Free edition.

    Enhancements:

    Updated help and translations.
    Improvements to user interface.
    Direct merge option is set by default.

    Bug Fixes:

    Resolved issue with losing form field content during merging PDF files.

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http://www.glorylogic.com/

[SiLæncer]

Changelog

    Send Latex source to Latexonline service using a POST request with a tarball, so that larger documents will work as well (bug #335). On Linux, ipecurl is now a shell script.
    Fix Latex compilation when there is a space in the path (bug #339).
    Make it possible to interact with layers only reached by scrolling on Windows (bug #337).

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http://ipe.otfried.org/