Best Free File Compression Software 2026: 7 Options Compared

Most free file compression tools handle ZIP and 7z, and the useful differences are format support, speed and the interface. 7-Zip is free for any use, including commercial, with no registration; it packs 7z, XZ, BZIP2, GZIP, TAR and ZIP and unpacks RAR and many more, though it runs on Windows only. PeaZip is a graphical alternative with over 200 formats and a portable build for Windows, macOS and Linux. NanaZip is a 7-Zip derivative with dark mode and the new Windows context menu. Bandizip has a free edition for Windows and Mac with a paid Professional tier at $30 one-time. On Linux, Ark from KDE and Xarchiver are desktop archive managers, and Zstandard is a command-line compressor built for speed, producing .zst, .gz, .xz and .lz4 files. The trade-off is format compatibility. 7z and zst compress better than ZIP, but the recipient needs a tool that opens them, and ZIP is the safe default for sending files to anyone. None of the free tools here compresses to the RAR format, since RAR creation is licensed by the format's owner, so use 7z or ZIP and rely on these tools only to unpack RAR files.

7-Zip

Free for any use with no registration, Windows only, and LGPL with a restriction on the unRAR code. Packs 7z, XZ, BZIP2, GZIP, TAR and ZIP, unpacks RAR and more.

Price: Free (Free for any use, including commercial; no registration) (7-Zip pricing, checked 2026-10-23).

Platforms and license: Windows. GNU LGPL (some files BSD; unRAR restriction) (open source).

Best for: The default free archiver on Windows.

Worth knowing: Packs 7z, XZ, BZIP2, GZIP, TAR, ZIP and WIM; unpacks RAR and many more.

PeaZip

LGPL-3.0 with over 200 formats, encryption, hashing and a portable build, on Windows, macOS and Linux. The one entry that gives a graphical interface across all three systems.

Price: Free (Free open source) (PeaZip pricing, checked 2026-10-23).

Platforms and license: Windows, macOS, Linux. LGPL-3.0 (open source).

Project activity: 8k GitHub stars · latest release 11.4.0 (Oct 17, 2026) · last commit Oct 21, 2026

Best for: Cross-platform graphical archiver.

Worth knowing: Works with over 200 archive formats; includes encryption, hashing and a portable build.

NanaZip

Open-source 7-Zip derivative needing Windows 10 build 19041 or later, with dark mode and the new context menu. A paid Sponsor Edition add-on exists.

Price: Free (Free; a paid Sponsor Edition add-on exists) (NanaZip pricing, checked 2026-10-23).

Platforms and license: Windows. Open source 7-Zip derivative (see License.md) (open source).

Project activity: 16k GitHub stars · latest release 7.0.1882.0 (Oct 26, 2026) · last commit Oct 26, 2026

Best for: Windows 11 users who like 7-Zip.

Worth knowing: Needs Windows 10 build 19041 or later. Adds dark mode and the new Windows context menu.

Bandizip

Free edition for Windows 7 to 11 and a separate Mac edition. Professional is a one-time $30 for a single user, so the free tier is a convenience, not a trial.

Price: Free (Free edition available); paid from $30 per one-time (Professional, single user) (Bandizip pricing, checked 2026-10-23).

Platforms and license: Windows, macOS. Proprietary freeware with paid editions.

Best for: Fast ZIP handling with a polished look.

Worth knowing: Windows 7 to 11 incl. ARM64; separate Mac edition.

Ark

GPL-2.0-or-later KDE application that handles tar, gzip, bzip2, rar and zip plus 7z. Windows builds are nightly, so Linux is its natural home.

Price: Free (Free KDE application) (Ark pricing, checked 2026-10-23).

Platforms and license: Linux, Windows. GPL-2.0-or-later (open source).

Best for: KDE and Linux desktops.

Worth knowing: Handles tar, gzip, bzip2, rar and zip, plus 7z; Windows builds are nightly.

Xarchiver

GPL-2.0 GTK front end for Linux and FreeBSD that calls external compressor programs. Desktop independent and light.

Price: Free (Free and open source) (Xarchiver pricing, checked 2026-10-24).

Platforms and license: Linux, FreeBSD. GPL-2.0 (open source).

Project activity: 204 GitHub stars · last commit Aug 31, 2026

Best for: GTK and Xfce desktops.

Zstandard (zstd)

BSD or GPL-2.0 command-line compressor from Meta, producing .zst, .gz, .xz and .lz4 files. No graphical interface, aimed at speed and scripts.

Price: Free (Free and open source) (Zstandard (zstd) pricing, checked 2026-10-24).

Platforms and license: Windows, Linux, macOS. BSD or GPL-2.0 (dual-licensed) (open source).

Project activity: 28.1k GitHub stars · latest release v1.5.7 (Feb 19, 2025) · last commit Oct 6, 2026

Best for: Fast compression on the command line.

Which one to pick

• You just need to open and create ZIP and 7z files on Windows: 7-Zip
• You switch between Windows, Mac and Linux: PeaZip
• You use Windows 11 and want a modern look: NanaZip
• You are running scripts or servers: Zstandard (zstd)
• You use KDE: Ark