![]() ![]() ![]() The program scales bitmap graphics to a previously defined resolution and removes unwanted objects from the document. Optimized saving is one of the few features that is only available in the commercial version. The less commonly used functions include JavaScript support, the ability to convert PDF to bitmap formats, and dynamic XFA forms. Finally, you can add, edit, and remove bookmarks and other active content. Additionally, it can edit text in the document, replace images, modify and customize text attributes (i.e., formatting), encrypt and decrypt documents, and adapt digital signatures. Master PDF Editor supports simple actions like filling out PDF forms and deleting or inserting individual pages. Modern PDF documents include more than just the data needed for printing, which makes it difficult to present PDF in an editable form and explains why hardly any free tools support the editing of PDF documents reliably and in detail. Moreover, the fields in the Matrix area offer good options for visually manipulating the way objects display ( Figure 3). In this way, you can make sure the box is placed exactly at the desired position. Although many boxes (such as text boxes) can be moved in the main window with the mouse, in practice, you should use the corresponding field in the Object Inspector. The Object Inspector displays the relevant metadata, which can be edited in the object window for the currently selected box however, you change the content of the box directly in the main window. Because of the underlying PDF format's object and box models, all objects include various metadata in addition to the content, such as the location of the object, its attributes, and references to other objects. The contents of the window displayed in the Object Inspector then change so that you can check and also change all the relevant features. To use the Object Inspector, you first need to select an object (i.e., text, graphic, or link). For example, you can scan documents directly from within the application and convert the text via OCR.įigure 2: Thanks to the Object Inspector, even PDF non-experts can review and, if necessary, repair complex features in documents. The results were already quite impressive in version 3 of the application, but Master PDF Editor 4, published shortly before the end of 2016, now offers new features. The software tries to accommodate the process of editing PDF documents in an intuitive way in a graphical interface. On Linux, most of the functions can be tested and used without purchasing a license (see the "License" box). Master PDF Editor is a commercial software tool available for Linux, Mac OS, and Windows. Today, hardly anyone uses that method: The documents are too complex, the PostScript code is anything but intuitive, and the pitfalls are too numerous to avoid during conversion. Thus, the desire for editors that are able to load, modify, and again save the immutable PDF documents arose at an early stage.įor a time, Ghostscript was the tool of choice: You converted the PDF to PostScript, then edited the source code in a text editor, and finally converted the document back to PDF. In practice, you often have good reasons for editing "finished" print files – whether to add minor corrections, replace individual characters, remove short sections of text, or add annotations. Editing PDF files therefore contradicts the stated aim of the file format: unchanged forwarding. It is based on the PostScript programming language, a PDF being a compiled – and thus no longer editable – version of the PostScript code. ![]() PDF was originally designed as a print format for forwarding and exchanging documents without allowing changes.
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