PDFTK Builder has been discontinued. Similar apps include PDF Arranger, which is free and open source. Other options are NAPS2, PDF24 Creator, PDFsam Basic and Adobe Acrobat DC. PDF Editors like PDFTK Builder are a crowded field, with more than 50 alternatives for Windows, Mac, Linux, the web and Android.
Merge PDF files into a single document. Split PDF into multiple files following a custom pattern similar to Word printing. Combine encrypted PDF with just a few clicks.
Romania
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PDF Mix Tool is a simple and lightweight application that allows you to split, merge, rotate and mix PDF files. It is written in C++ and depends only on Qt 5 and PoDoFo.
Quick PDF Join is a cross-platform, simple application that joins multiple PDF files together.
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PDFTools is a PDF management application. It can encrypt, decrypt, join, split, stamp, create and rearrange a PDF file.
United Kingdom
AlterPDF is a set of free PDF tools, which allows you to convert, modify and sign your PDF documents. With this program you are able to convert PDF to images, as well as convert JPG and other pictures to PDF, extract text and images.
Collection of easy to use, time-saving online tools to merge, split, convert, and edit PDF files.
Iceland
This online tool allows you to join several PDF documents into a single file, free of charge. Just upload PDF documents you want to merge together, reorder them with drag-and-drop (if you need) and click 'Join all Files' button.
CubePDF Page is a Windows software that allows you to easily merge and split PDF files. It is very simple to use, just Drag&Drop PDF files and click the Merge or Split button. In addition to PDF files, images can also be merged as PDF pages.
Japan
UnityPDF lets you merge, split, divide, rotate, protect PDF files and more. All features are easy to use and do not require complex skills.
iPdf2Merge is a free online tool that merges pdf files into one file. Merged files are sorted by upload order or file name. Unlimited usage, no registration, and no Email.
United States
This program allows you to split PDF file onto several documents. You can also extract selected pages from original document, or remove specified pages. After PDF splitting, you are enabled to edit, modify and secure the PDF files.
