Welcome to

1-Zip — your universal archiver

for fast and efficient file compression and decompression!

1-Zip is an intuitive and powerful tool that will help you save time and space on your device. Whether you need to compress files for storage or share their content with others, 1-Zip provides a fast and reliable solution. 1-Zip is a highly compressed file archiver. You can use 1-Zip on any computer, including a computer in a commercial organization. You don't need to register or pay for 1-Zip.



Free usage: 1-Zip archiver is free to use for all users. You can download, install, and use 1-Zip on any device for free.

Open source: 1-Zip has an open-source code, allowing users to view, modify, and distribute the software within the terms of the license.

Limitation of liability: 1-Zip developers are not liable for any direct or indirect damages, including data loss, loss of profit, or loss of ability to use the software, that may arise from the use or inability to use the 1-Zip software.

Copyrights: All rights to the 1-Zip software are protected by copyright. Users are prohibited from copying, modifying, or distributing the software without the consent of the developers.

Acceptance of terms: By using the 1-Zip software, users automatically accept all the terms of this license.

1-Zip is a free and open-source software licensed under the GNU LGPL license, with some parts of the code also licensed under the BSD 3-clause License. Additionally, certain parts of the code are subject to the unRAR license restriction. Read 1-Zip License information

Main Features

  • Support for various formats: 1-Zip supports a wide range of archive formats, including ZIP, RAR, 1z, TAR, GZIP, and many others. This allows users to compress and extract files in the way that is most convenient for them.
  • Efficient file compression: Our archiver utilizes advanced compression algorithms, ensuring optimal file compression without sacrificing quality. This helps to save disk space and speed up file transfer over the network.
  • Integration with the Windows operating system: 1-Zip seamlessly integrates with the Windows operating system, allowing users to compress and extract files directly from the Windows File Explorer. Simply right-click on files or folders to access 1-Zip's features.
  • Intuitive user interface: 1-Zip offers a simple and user-friendly interface, making working with archives easy and enjoyable. Regardless of your level of expertise in computers, you will quickly understand how to use all of 1-Zip's features.
  • Data security: 1-Zip ensures the security of your information by supporting passwords for encrypted archives. You can easily protect your files with a password, ensuring their confidentiality and security.