7-Zip plugins

Want to use 7-Zip plugins in programs that do not allow third-party plugins? Try Proxy7z library to add support for initially unsupported compressions methods in that app.

KsiZip7z 1.0

This plugin allows you to open, create, or modify KSIZIP archives.

Last updated: 30 May 2026

Modern7z 1.9.2

This plugin allows you to use additional compression methods in 7-Zip. The following methods are supported:

Zstandard v1.5.6
Brotli v1.1.0
LZ4 v1.10.0
LZ5 v1.5
Lizard v1.0
Fast LZMA2 v1.0.1

Last updated: 26 Dec 2025

WinCryptHashers 1.4

This plugin allows you to view additional checksums in 7-Zip. The following hash functions are supported:

MD2
MD4
MD5
SHA-384
SHA-512

It can also create text files containing checksums.

Last updated: 29 Jan 2024

Asar7z 1.5

This plugin allows you to open, create, or modify ASAR archives.

Last updated: 14 Nov 2023

eDecoder 1.20.8

This plugin allows you to open email files and MHTML files in 7-Zip. The following file formats are supported:

MGS – a format used by Microsoft Outlook
TNEF – a format used by Microsoft Outlook (the winmail.dat or ATT0001.dat file)
DBX – the format used by Outlook Express 5 and 6
MBX – the format used by Outlook Express 4
MBOX – a format used by many email clients
TBB – the format used by The Bat!
PMM – the format used by Pegasus Mail
EMLX – the format used by Mail (Apple’s email client)
EML, NWS, MHT, MHTML, and B64
UUE and XXE
NTX – YEnc files
BIN – MacBinary files
HQX – BinHex files
WARC – Web ARChive files

It also can create B64, XXE, UUE, NTX, BIN, and HQX files.

The plugin also contains eSplitter. It's a special codec that helps 7-Zip pack text files containing binary data encoded using base64.

Last updated: 02 Sep 2023

Py7z 1.2.1

This plugin allows you to open PyInstaller archives.

Last updated: 19 Aug 2023

Iso7z 1.8.7

This plugin allows you to open disc images in 7-Zip. The following disc image formats are supported:

CCD/IMG - disc images created with CloneCD
CDI - disc images created with DiscJuggler
CHD (v4) - images used by MAME
CISO - Compact ISO
CSO - Compressed ISO
CUE/BIN
ECM - disc images compressed with ECM Tool
GDI - Dreamcast Gigabyte disc images
ISZ - disc images created with UltraISO
MDS/MDF - disc images created with Alcohol 120%
NRG - disc images created with Nero Burning ROM
Zisofs compressed files

The plugin also contains a special codec RawSplitter that enables 7-Zip to efficiently pack uncompressed raw disc images (CCD/IMG, CDI, CUE/BIN, GDI, MDS/MDF, or NRG) into 7z archives

Last updated: 17 Jul 2023

MFilter 1.2

Filter plugin designed to deliver higher compression ratios to certain multimedia file types by means of automatic pre-processing.

Last updated: 30 Jan 2022

Phar7z 1.0

This plugin allows you to open, create, or modify PHAR archives.

Last updated: 20 Jan 2022

Forensic7z 1.6

This plugin allows you to open and browse disk images created by specialized software for forensic analysis. The following file formats are supported:

ASR Expert Witness Compression Format (.S01)
Encase Image File Format (.E01, .Ex01)
Encase Logical Image File Format (.L01, .Lx01)
Advanced Forensics Format (.AFF)
AccessData FTK Imager Logical Image (.AD1)
WinHex WHX Format (.WHX)

Last updated: 31 Dec 2021

.wav (including bwf/rf64 and Multiple Data Chunks (Legasy Audition Format) formats)
.caf (Core Audio Format)
.w64 (Sony Wave64)
.dff (Philips DSDIFF)
.dsf (Sony DSD stream)
.aif, .afc (Аudio Interchange File Format, including AIFF-C format)

Last updated: 12 Feb 2019

Thumbs7z 1.0

This plugin allows you to open Thumbs.db and thumbcache.db files (Windows thumbnail cache files) in 7-Zip.

Last updated: 16 Mar 2018

Lzip7z 1.6

This plugin allows you to open, create, or modify LZIP archives.

Last updated: 10 Dec 2017