File compression and encoding

Common formats · Other formats · Executable compression · Compression tools · Encoding · Encryption

These utilities allow you to compress and uncompress ZIP files as well as files compressed in many other formats, encode and decode common file formats used for data transfers (e.g. "uuencoded" files), and encrypt your data for privacy.

See also: Compression FAQ and related information


Common file compression formats

arc602.exe ARC file compressor. [135K]
booz20.zip A public domain ZOO file extractor which includes C source code. [31K]
iunzip.exe A ZIP file extractor for Windows/NT. [96K]
izip.zip A ZIP file compressor for Windows/NT. [66K]
lha213.exe LHARC file compressor (.LZH files). [43K]
ntzip201.zip A ZIP file compressor for Windows/NT with C source code. [241K]
pak251.exe PAK file compressor. [101K]
pk250w16.exe PKZip for Windows 3.x. [576K]
pk250w32.exe PKZip for Windows 95/NT. [661K]
pk361.exe ARC/PAK file compressor. [117K]
pkz204g.exe PKZip, the most famous ZIP file compressor. [198K]
unz520x.exe Info-Zip's free ZIP file extractor. [156K]
winzip31.exe WinZip 6.2, an excellent ZIP compressor for Windows 3.x. [562K]
winzip95.exe WinZip 6.2 ZIP compressor for Windows 95. [614K]
zip10exx.zip Info-Zip's free ZIP file compressor. [45K]
zip_nt.zip Info-Zip's free ZIP and UNZIP utilities for Windows/NT. [76K]
zoo210.zip ZOO file compressor. [54K]


Other file compression formats

arj241a.exe ARJ file compressor. [219K]
comp430d.zip Unix file compression (.Z files). [20K]
dwc_a501.exe DWC file compressor. [88K]
gzip124.zip GNU gzip/gunzip compressor (.gz files). [114K]
hpack78.zip HPACK 0.78 file compression (.HPK files). [111K]
hyper25.zip HYPER file compressor (.HYP files). [23K]
rar155.exe RAR file compressor. [264K]
sqz1083e.exe SQZ file compressor. [116K]


Executable file compression

lzexe91e.zip EXE file compressor for DOS programs. [84K]
pklts201.zip File compressor for DOS and 16-bit Windows programs (compresses EXEs, DLLs, and so on). Programs take up less space and load faster, but they still work the same as ever. [77K]
tinyp33.zip EXE/COM file compressor for DOS programs. [41K]
unlzexe8.zip Uncompress EXE files compressed by LZEXE. [14K]
winlite1.zip An executable file compressor for Windows programs. [223K]
wwp300.zip Executable file compressor for DOS programs. [34K]


Compressed file management tools

arjm101.zip A menu-driven front end for ARJ. [90K]
arjop141.zip Another menu driven front-end for ARJ. [48K]
fv145.zip Utility to list the contents of compressed archives. [9K]
lhtools.zip A utility to make self-extracting self-executing LZH files. [21K]
pkm104.exe A compressed file management shell from PKware. [127K]
pkzf11.zip A file finder which can search inside ZIP files. [11K]
shez109.zip A menu-driven file management shell for compressed files supporting many different file formats. [383K]
zif95_10.exe A Windows 95 utility to treat ZIP files as if they were folders (directories). Drag things in and out of ZIP files just like you can with any other Windows 95 folder. [365K]
zippro.exe Zip Pro for Windows 95, a 32-bit zip file manager similar in appearance to Explorer. [356K]
zlib104.zip Info-ZIP's free ZLIB compression library, which includes full source code as well as a Windows DLL version of the library. [133K]
zps410.zip Zip Studio, a zip file manager for Windows which also allows you to create self-extracting EXE files. [330K]


Encoding and decoding

base64.zip A base-64 MIME format encoder/decoder. [13K]
binhex13.zip BinHex format encoder/decoder. [45K]
extrct34.zip UUdecode for Windows or DOS. [94K]
mime64d.zip A base-64 MIME format encoder/decoder with C source code. [38K]
msbooasm.zip A BOO format file encoder/decoder, with assembler source code. [8K]
qux01_91.zip A quick UU/XXencode/decode utility. [11K]
tar.zip GNU tar 1.11.2 for Windows/NT. [411K]
unshar.zip Unix SHAR (shell archive) extractor for DOS with C source code. [25K]
uud.zip A version of UUDecode whose binary is a printable file, allowing it to be sent by email or other text-only means. A very nice idea, IMHO! [2K]
xbin23.zip Another BinHex decoder with C source code. [34K]


Data encryption

newdes12.zip A free DES file encryption utility. [30K]
pgp263i.zip Pretty Good Privacy (PGP), a free RSA file encryption tool. The US government is/was extremely cross at the author for releasing this to the world outside the USA. A new version (5.0) has been released (in the USA); the source code can't legally be exported from the US, but the printed version can, so as soon as the 6000+ pages of source code have been fed through a scanner in Norway you'll be able to try it for yourself. Hopefully someone will eventually tell the US government the story of that well-known figure from English history, King Canute... [300K]
pgpshe33.zip A menu-driven shell for using PGP. [112K]
pgs099h.zip A "professional shell" for PGP [70K]
pwrpgp32.zip A Windows 95 front-end for PGP. [344K]
tangle.zip A free file encryption utility with C source code. [34K]