CubePDF Utility

Over 10 million downloads!

CubePDF Utility is a thumbnail-based Windows PDF editor. The software is designed for users who want to edit PDF files in a simple and intuitive way, such as merging, extracting, splitting, changing page order, setting passwords, and so on. CubePDF Utility is provided as an Open Source Software (OSS) and is completely free to use. Try it out now!

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News
CubePDF Utility 4.3.0 has been released (2025-06-13)
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CubePDF Utility has reached 5 million downloads
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CubePDF Utility Documents

Merge and reorder PDFs intuitively

CubePDF Utility allows you to intuitively perform editing tasks such as merging, extracting, splitting, deleting, reordering, and rotating PDF pages via thumbnails. In addition to PDF files, image files such as PNG, JPEG, BMP, TIFF, etc. can also be merged as PDF pages. Moreover, various PDF metadata and security settings can be configured for the edited PDF file.

CubePDF Utility main window

Thumbnail-based Operations

CubePDF Utility provides thumbnail-based graphical operations for page editing, such as merging, extracting, splitting, deleting partial pages, reordering and rotating PDFs. Toolbars are arranged for a variety of uses. It is designed to make operations on PDF files intuitive and comfortable.

Support for Images

CubePDF Utility can also combine images and photos (PNG, JPEG, BMP, TIFF) as PDF pages. So even in situations where PDF and image files are mixed, you can combine them all into a single PDF file. In addition, the extraction function can also save the specified PDF pages in PNG format.

Improved Security

CubePDF Utility allows you to flexibly set various security settings for the PDF file to be edited, including password settings, printing, copying text and images, inserting and deleting pages, filling in forms, editing annotations and other per-operation restrictions.

Open Source Software

CubePDF Utility can be used freely by anyone, regardless of whether they are an individual or a corporation. There are no restrictions on its use, including commercial use. It is also developed as Open Source Software (OSS), so you can get the source code from GitHub.

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The software provided free of charge by CubeSoft, Inc. is partially funded by advertising revenue. Your understanding and support are greatly appreciated, as they help us continue to develop and improve our software.

Supported Environments

Windows under Microsoft support (x86/x64)
.NET Framework 3.5 or later is required (4.7 or later is recommended)
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