5 open-source file archivers to save some disk space

by Matthew Adams
Matthew Adams
Matthew Adams
Windows & Software Expert
Matthew is a freelancer who has produced a variety of articles on various topics related to technology. His main focus is the Windows OS and all the things... read more
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  • File archivers are software packages that enable you to decompress, or extract, compressed file formats.
  • In this article, we explore some of the best open-source file archivers to save disk space on your PC.
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You might have come across the ZIP or RAR archive formats that are widely used by developers to package their software.

If software is packaged in a ZIP or RAR, you can extract these formats with file archivers.  You can also set up your own compressed file formats with those utilities to save some disk space.

A file archiver is a fairly essential bit of kit. Windows 10 File Explorer does include an Extract all option.

However, you can only decompress ZIPs with that button. So Microsoft really needs to enhance Windows’ limited file archive options.

These are some of the best open-source file archivers for Windows 10.

What are the best open-source file archivers to save disk space?


Disclaimer: Although WinZip is not an open-source software tool, it can be used and tested over a period of 30 days with full functionality, giving you plenty of time to test out its features and decide whether it is worth it or not.

Our first recommendation would be WinZip – the most popular file encryption and compression tool.

You can easily share, compress and backup files with this great software.

This software allows you to find, open, edit, move, and share the files stored on PCs, networks, or cloud services.

The tool can be fully integrated with Dropbox, G-Suite, or OneDrive.

Key features include:

  • Archive repair
  • Data Backup
  • File merging
  • File management
  • Cloud support



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7-Zip is one of the most highly rated archive utilities for Windows. This doesn’t have an especially stylish UI, but it’s an effective tool for packing and unpacking file archives.

This software can decompress a variety of compressed files such as ZIP, RAR, AR, VHD, Z, ISO, MBR, LZMA, UDF, VDI, NTFS, CAB and more besides.

It can also compress several archive formats including its very own 7z format that splits files into multiple archives.

The software has a compression ratio of 2 – 10% for the GZIP and ZIP formats. Another advantage of this utility is that it integrates with File Explorer so you can select 7-Zip options from folder context menus.

In addition, it also provides AES-256 encryption so you can add passwords to ZIP and 7z archive formats.

Other features are:

  • Integration with Windows Shell
  • Powerful File Manager
  • Powerful command line version
  • Plugin for FAR Manager
  • Localizations for 87 languages

Get 7-Zip


PeaZip is another of the best open-source archive utilities that’s compatible with the 32/64-bit Windows and Linux platforms and also has a portable version.

This is a utility that works with more than 150 archive formats, and it provides full read/write support for ZIP, WIM, GZ, 7z, UPX, TAR, Bz2 and PeaZip’s PEA format.

This tool has a slightly more engaging UI design than 7-Zip, and it also adds some handy extra options and shortcuts to File Explorer’s context menu.

The software also provides encryption options for its users so that you can encode archives with the password manager. Another good thing about this utility is that you can repair damaged archives with it.

Other PeaZip comprehensive features are:

  • Novice-friendly
  • Operating PeaZip is as easy as dragging files.
  • Decompression mode
  • Well-labeled buttons and simple functions
  • PeaZip allows applying powerful multiple search filters to archive.

Get Peazip

B1 Free Archiver

B1 Free Archiver is a multiplatform compression utility for Windows, Android, Mac and Linux that has had glowing reviews.

This software enables you to open all the main archive formats such as ZIP, 7z, GZIP, TAR, ISO, RAR, CAB and its own B1 archive file.

However, its archive creation is limited to only the B1 and ZIP formats. It gives you various compression modes, and users can also split and encrypt archives.

Here are some of the most notable features:

  • Smooth and intuitive GUI
  • Drag-and-drop option
  • Safe and secure
  • Version for Android
  • Integrity check

Get B1 Free Archiver


FreeArc is an open-source file archiver that offers faster compression than notable alternatives such as 7-Zip.

The program offers compression support for the main archive formats such as ZIP, RAR and 7z as well as ARC.

FreeArc boasts greater speed and efficiency for file extraction and compression than alternative utilities.

Other features are:

  • Can list/extract archives directly from Internet
  • Archive protection and recovery
  • Ability to create SFX (self-extracted) archives and installers
  • Capacity to test archive before and after any operation
  • Can select files by size, time/age and name

Get FreeArc

These are five great open-source file archivers for Windows 10 and other platforms. With the utilities you can extract or compress files with a variety of archive formats, fix archives and encrypt compressed files.

We would love to know what software option you chose from the list presented here. You can easily let us know by using the comments section below.

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