.GZIP

.GZIP file extension

This is the basic program to work with .GZIP extension

7-Zip

7-Zip gzip Archive

Based on the LZ77 algorithm, both LZMA and LZMA2 compression techniques provide an excellent data compression ratio. 7-Zip uses these compression methods to create archives in the 7z format protected with AES-256 encryption, though it supports any compression, conversion, and encryption method... (more)

The program works with the following extensions: 7z, gz, iso, rar, tgz, zip, z, lha, swm, xar, tar, lzh, tpz, taz, wim, hfs, tbz, cab, dmg, arj, deb, bz2, rpm, lzma, tbz2, cpio, gzip, split, bzip2, r13, r47, r98, r29, r63, r80, r14, r48, r99, r64, r81, r15, r49, r65, r82, r83, r16, r50, r66, r00, r84, r17, r51, r67, r01, r85, r18, r52, r68, r02, r30, r86, r19, r53, r69, r03, r33, r87, r20, r54, r70, r04, r36, r37, r88, r21, r55, r71, r05, r38, r89, r22, r56, r73, r06, r39, r90, r23, r57, r74, r07, r40, r91, r24, r58, r75, r08, r41, r92, r25, r59, r76, r09, r44, r93, r26, r60, r77, r10, r11, r45, r94, r27, r61, r78, r12, r46, r95, r28, r62, r79 and 001

.GZIP extension is also supported by the following programs:

jZip

jZip jZip archive file

Fast and free compression tool to extract and create various types of archives.
ZipZag

ZipZag GZip compressed file

Handles Rar, Zip, Bz2, Ace, 7z, Iso, Cbr, Cbz, Tar, Cab, Jar, Msi, Pk3, Pak, Lzx.
WinShrink

WinShrink WinShrink Archive

It allows you to compress, encrypt, backup, create self extraction files, etc.