ALZip
ALZip is a file compression and extraction program from ESTsoft, with a free personal plan for qualifying domestic individual users using it noncommercially.
What ALZip is
ALZip is a file compression and extraction program from ESTsoft, with a free personal plan for qualifying domestic individual users using it noncommercially. It supports about 40 formats, including ALZ and EGG, and lists ZIP, LZH, TAR, and JAR among formats it can create; it can also extract split ALZ, EGG, ZIP, RAR, and ACE archives. Compression features include multithreaded ZIP, solid and split EGG archives, and Unicode compression. Users can preview image thumbnails in icon view without extracting files; linked image viewing requires ALSee. ALZip can warn about archives containing suspected malicious files and extract them to a safe folder. The PC version can use ALYac to scan compressed files. The product page recommends Windows 11 and 10 for PC and describes a Linux version with similar compression and extraction functions. An Android app is also linked from the product page. The maker claims extraction speed improvements of up to 700%, with results depending on format, PC, and environment. Business, education, and public-sector customers need separately sold licenses.
Good
- Supports about 40 archive formats.
- Can handle several types of split archives.
- Offers thumbnail previews without extracting archives.
- Can warn about suspected malicious files.
Watch out
- Free personal use is limited to qualifying domestic individuals.
- Business, education, and public-sector licenses are separate.
- Linked image viewing requires ALSee.
Who it suits
ALZip may suit individuals who need to compress or extract a range of archive formats, including split archives. Android and Linux versions are described, but the product page's PC recommendation is Windows 11 and 10.
Verdict
ALZip combines broad format support with archive previews and security-related warnings. Check the personal-use eligibility and separate licensing requirements before choosing it for non-individual use.
Plans and prices
From ALZip's own pricing page, checked 8 Oct 2026.
| Plan | Price | What it gives you |
|---|---|---|
| Personal | Free | Free for qualifying domestic individual users using the product for noncommercial use; business, education, and public sector licenses are sold separately |
| Business | Priced on request | Enterprise, education, and public institution licensing; price available through the business shopping mall |
The facts
Each one read from ALZip's own pages, with the date it was checked.
What it does
- Antivirus integration
- The PC version can use ALYac to scan compressed files for risks.checked 8 Oct 2026
- Business licensing
- The maker directs business, education, and public institution customers to its purchase shop for licenses.checked 8 Oct 2026
- Compression features
- It supports multithreaded ZIP compression, solid and split EGG archives, and Unicode compression.checked 8 Oct 2026
- Formats
- The product page says ALZip supports about 40 formats, including ALZ and EGG, and lists formats it can create and extract.checked 8 Oct 2026
- Image preview
- Users can preview image thumbnails in icon view without extracting the archive; the page says installing ALSee enables linked image viewing.checked 8 Oct 2026
- Purpose
- ALZip is a file compression and extraction program.checked 8 Oct 2026
- Recent security update
- The version history says ALZip v12.37, released August 27, 2026, fixed a privilege escalation vulnerability in ISO mounting.checked 8 Oct 2026
- Security
- ALZip can warn when an archive contains a suspected malicious file and extract it to a safe folder.checked 8 Oct 2026
- Speed
- The maker claims its proprietary technology can increase extraction speed by up to 700%, with a 350 MB file extracted in 2 seconds, depending on format, PC, and environment.checked 8 Oct 2026
- Support
- The official product page links to online help and FAQs, and the business page lists phone and email contacts for business inquiries.checked 8 Oct 2026
The company
- Headquarters
- Seoul, South Koreachecked 28 Sep 2026
- Maker
- ALZip is published by ESTsoft, whose company page lists its founding date as October 2, 1993 and its Seoul address at 3 Banpo-daero, Seocho-gu.checked 8 Oct 2026
Where it runs
- Mobile app
- The official product page links to Google Play, and the Google Play listing describes an Android app for archive management and file browsing.checked 8 Oct 2026
- Platform support
- The product page recommends Windows 11 and 10 for PC and describes a Linux version with similar compression and extraction functions.checked 8 Oct 2026
The full review of ALZip
Overview
ALZip is a compression and extraction utility from ESTsoft for Windows, Linux, and Android. It is a strong fit for people who routinely receive less-common archive types such as ALZ and EGG, as well as users who need encryption, split archives, or command-line operation. The free personal edition is attractive for qualifying domestic, noncommercial individual use, but organizations must obtain a separate license.
Key features
ALZip supports about 40 archive formats. It creates ALZ, EGG, ZIP, LZH, TAR, and JAR files, and extracts split ALZ, EGG, ZIP, RAR, and ACE archives. That coverage is useful when files arrive from several compression tools; someone who only opens ordinary ZIP files may find much of it unnecessary. Encryption and split-archive support address practical needs for protecting data and dividing large packages, while command-line tools make repeatable or automated jobs possible.
ZIP compression can use multiple threads. EGG archives support solid and split modes, and Unicode compression helps retain filenames and text correctly across languages. These options give technically minded users more control than a basic single-format extractor.
Icon view can display image thumbnails before extraction, allowing a quick content check without creating another folder of files. Linked image viewing requires ALSee, so the built-in preview is most useful when thumbnails are sufficient or that companion application is installed.
ALZip can warn when an archive contains a suspected malicious file and place extraction in a safe folder. The PC edition can also use ALYac to scan compressed files for risks. Those measures add a useful caution layer, but they should complement rather than replace an organisation's broader security controls.
ESTsoft claims proprietary technology can raise extraction speed by up to 700%, citing a 350 MB file extracted in two seconds. Actual results depend on the archive format, computer, and operating environment, so the claim should be treated as a potential benefit rather than a guaranteed result. Version 12.37, released August 27, 2026, fixed a privilege-escalation vulnerability in ISO mounting; keeping the software current is important for users handling downloaded archives.
Pricing
The Personal plan costs free. It is free for qualifying domestic individual users running ALZip for noncommercial purposes. This is the sensible choice for personal file exchange, home archiving, and similar use, provided the eligibility and noncommercial conditions apply.
The Business plan has custom pricing through the business shopping mall. It covers enterprise, education, and public-institution licensing. Companies, schools, and government bodies should budget for that separate purchase instead of assuming the personal edition permits organisational deployment. Business enquiries are supported by phone and email, with online help and FAQs also available.
Platforms
The supported desktop platform is Windows, with the product page recommending Windows 11 and Windows 10. A Linux version provides similar compression and extraction functions. The Android app, linked through Google Play, combines archive management with file browsing. This spread suits households or individuals moving archives among Windows PCs, Linux systems, and Android devices, although the documented feature set is most extensive on PC.
Who it's for
Choose ALZip if you exchange archives in many formats, work with ALZ or EGG files, need encrypted or split packages, or want command-line support alongside a graphical interface. It also suits users who value thumbnail inspection and warnings around suspicious contents. It is a poor fit when you need a clearly free licence for commercial, educational, or public-sector use, or when your workflow is limited to simple ZIP files and a lighter tool would be enough.
Pros and cons
- Pro: About 40 supported formats, including creation and extraction of ALZ and EGG, reduce compatibility problems with mixed archives.
- Pro: Encryption, split archives, Unicode compression, multithreaded ZIP handling, and command-line tools cover security, language, performance, and automation needs.
- Pro: Thumbnail previews and safe-folder extraction warnings help inspect and handle downloaded archives more cautiously.
- Con: Free personal use is restricted to qualifying domestic, noncommercial individuals; organisations need a separately licensed business edition.
- Con: Linked image viewing depends on installing ALSee, and extraction-speed results vary by format and hardware.
Alternatives
For a completely free tool on personal and commercial systems with no registration, consider B1 Archiver, which runs on Android, Linux, macOS, the web, and Windows. Zstandard is the better choice for developers who want an open-source reference library and command-line utility under BSD or GPLv2 licensing. 7-Zip and PeaZip are free archive utilities for users who prefer those established cross-platform options; PeaZip is open-source and permits commercial use.
PowerArchiver fits users seeking a non-commercial free edition or a one-time business purchase, while Bandizip offers a free standard edition with ads and limited features. Mac users wanting a permanently free extractor with no in-app purchases can choose The Unarchiver. Accessibility Test Framework for Android is an Android-focused testing framework rather than a general archive utility.
Browse the File Compression Software category for additional choices.
Verdict
ALZip is recommended for individuals who need broad archive compatibility, especially ALZ and EGG support, plus encryption, split archives, previews, and command-line access. Its main reason to look elsewhere is licensing: commercial, educational, and public-sector users must purchase a separate plan, while simpler free archivers may cover basic ZIP work with fewer conditions.
Alternatives to ALZip
- 1
Keka
Free planOpen sourceAndroidiOSWebAPI8.6$3.99 one-time - 2

PowerArchiver
Free planmacOSWindows6.8$22.95 one-time - 3
B1 Archiver
Free planAndroidWebLinuxmacOS6.7Free plan - 4
WinRAR
AndroidLinuxmacOSWindows6.7$6 one-time - 5

Bandizip
Free planmacOSWindows6.6$20 one-time - 6
Zstandard
Free planAPILinuxmacOSSelf-hosted6.6Free plan
