1. Windows
2. Utilities & Operating Systems
3. File Compression
4. Free UPX Download

Compress and decompress executable files.

Free UPX Screenshots

Free UPX Editor's review

byDownload.com staff/ May 03, 2009

This free program lets users compress and decompress executable files. Novice users might find its user interface and features a little overwhelming, but more-experienced users will find it to be a valuable compression tool.

At first glance, Free UPX's user interface appears a little cluttered. But once we spent a little time with it, we found it easy to navigate. Using the command buttons at the top of the window, we browsed for, and added, the executable files to be compressed. The layout of the interface flows really well, so we went easily from one step to the next, selecting the output file, compression type, and the force compression. Our files were quickly compressed once we gave it the go-ahead. Decompressing the files was just as easy; we simply added the compressed file, went through the necessary steps, and selected the decompression option.

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