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ShichiZip for Mac

7-Zip-derived file archiver for compressing and extracting archives.

By idawnlight. Free and open source, LGPL-2.1 licence.

Get it with OpenDMG View source on GitHub

ShichiZip at a glance

Version
0.3.2
Released
15 August 2026
Download size
7.4 MB
Works on
Apple silicon and Intel
Licence
LGPL-2.1
Category
Utilities
Developer
idawnlight
GitHub stars
961

About ShichiZip

The 7-Zip derivative intended for macOS

Screenshots

ShichiZip screenshot 1

How to install ShichiZip on a Mac

  1. Get OpenDMG. It is a free app store for open source Mac apps. Download OpenDMG.
  2. Search for ShichiZip and press Get. OpenDMG downloads version 0.3.2 from idawnlight's own GitHub release.
  3. Open it. The download is checked against its SHA-256 fingerprint and its signature is checked on your Mac before it lands in Applications.

Updates to ShichiZip show up in OpenDMG and install with one button. No account is needed.

Prefer to do it by hand? The developer's files are on GitHub: ShichiZip-v0.3.2-arm64.zip (7.4 MB), ShichiZip-v0.3.2-x86_64.zip (7.6 MB).

What is new in ShichiZip 0.3.2

## Fixes

* Bind the DMG file association to the UDIF disk image type macOS actually resolves `.dmg` to (#59)
* Derive file association column widths from their content
* Widen the default date columns for localized timestamps

## Feats

* Add a progress bar to the Dock icon during archive operations (#49)
* Add a recent archives menu, and option to opt out (#58)
* Add a System Format option for list timestamps, following the macOS region settings (#60)
* Register `.xpi` as a Firefox extension package (#61)

## What's Changed

* Dim non-filename list columns to match Finder

**Full Changelog**: https://github.com/idawnlight/ShichiZip/compare/v0.3.1...v0.3.2

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