UPX

UPX · UPX.UPX

A free, secure, portable, extendable, high-performance executable packer for several executable formats.

UPX is an advanced executable file compressor. UPX will typically reduce the file size of programs and DLLs by around 50%-70%, thus reducing disk space, network load times, download times and other distribution and storage costs. Programs and libraries compressed by UPX are completely self-contained and run exactly as before, with no runtime or memory penalty for most of the supported formats. UPX supports a number of different executable formats, including Windows programs and DLLs, macOS apps and Linux executables.

winget install --id UPX.UPX --exact --source winget

Latest 5.1.1

Release Notes

Installer type: zip

Architecture Scope Download SHA256
x86 Download C0FC8553784AD64145C37A6379F7AA2DAF143580437792E862BA6F4630E9F0DA
x64 Download FA5380BCA4C2718547AAA0134BC0D8A7FA27E102F0AC6371573D60D1C21D64DE

Details

Homepage
https://upx.github.io/
License
GPL-2.0-or-later
Publisher
UPX
Support
https://github.com/upx/upx/issues
Copyright
Copyright (C) 1996-2026 Markus Franz Xaver Johannes Oberhumer Copyright (C) 1996-2026 Laszlo Molnar Copyright (C) 2000-2026 John F. Reiser

Tags

applicationcompresscompressordllexeexecutablespackerprogramsoftware

Older versions (12)

5.1.0
Architecture Scope Download SHA256
x86 Download 9A0D3DCBCFD56EF1A5FA922AF0978D445CC1A4EC25609639CCB8DB369A49BE03
x64 Download 41C7492EDEED0F7E67D347CA9E8D2131E2AF7CA7A7695F92283A8E655C251C13
5.0.2
Architecture Scope Download SHA256
x86 Download 61B3C81E5AD2C2F4D7061054FB7DDCB73400BA4F2DAE79255153CCFD77523400
x64 Download 1CFF6D6EE01C404D4A1AE56003056BD4CFA28D0A5CEA1D0950DAAF872A4FACC9
5.0.1
Architecture Scope Download SHA256
x86 Download 2FDC91300631464B9AEEFADD65B0C6D57A243CFAAA92EC46496173E76C379E18
x64 Download C288989437CE70646A62799A4DCF25B4EC7AD8FBB4F93A29E25C14856659C1A4
5.0.0
Architecture Scope Download SHA256
x86 Download 8C34B9CEC2C225BF71F43CF2B788043D0D203D23EDB54F649FBEC16F34938D80
x64 Download 1CC4CE7602F42350EA7A960718D4CA8B5C8949AB79B80E709286EFF0107B04EA
4.2.4
Architecture Scope Download SHA256
x86 Download 2E90EBDA45B29217126D8E8EE4D0863BD9705A13ADCCA3CE07B7D19DF55CA355
x64 Download 22E9EF20E4C72AAD85E32C71CBC9C086436C179456382AA75C0C24868456A671
4.2.3
Architecture Scope Download SHA256
x86 Download 46063A5E41B56B137F14FFC8F30F7502C155A60CD959595727F5D02A2BFFA997
x64 Download 5F0458EB44EF2A9F8A3D02946E2D1382B1DAC3E4A95D4DACF662EDE567ABFC59
4.2.2
Architecture Scope Download SHA256
x86 Download 141E7CD8D009B827590662B482F1AE2F1DDA17CF446A5651078235EFB1429C59
x64 Download 7C69B92FF2B7FB8122609312EB0A6695C9E4B88A6C784A86C92E3B7EF583281F
4.2.1
Architecture Scope Download SHA256
x86 Download 475504D9B2AE5FD9EDE27919EE3B3FA8869A1398645C1239FC19193022054268
x64 Download B6E20E35303A390C3B1211F5ED0559DEF2C34EC5774176BB22AFEE19B35B2138
4.2.0
Architecture Scope Download SHA256
x86 Download FB1A924136B35E56CD1DBD761DFF53FCC9757CCD3210CDBC8FFBD2904DCB66F3
x64 Download 83833B414D17B39F334DE28B981F1A6A88252294B9D76005F2A8047F5C1821F1
4.1.0
Architecture Scope Download SHA256
x86 Download 066C62993CE904F9F377CE849E85B77D1E2CF477D554C36C5FF89F6D3F0FA072
x64 Download 382CEE168D6261A76C3B6A98B3CA2DE44930BF5FAA5F2DC2CED4FA3850FE8FF6
4.0.2
Architecture Scope Download SHA256
x86 Download 3F5B59252B0B657143AB945CE10FA0E5C4A509F69588695E11757CB1FC1B7EB7
x64 Download 325C58EA2ED375AFBD4EEAC0B26F15F98DB0D75DEA701205CA10D8BF4D2FDC24
4.0.1
Architecture Scope Download SHA256
x86 Download A0F0698DA31FD0479513F90C45BCFC55CC17F93ABFC6AC2EAE9DFBFD2DDAB237
x64 Download B6B066A63D434FC177F6EBAB09EF5DB52288048EEEB82D0E56FE97D874AAA423