Compression Ratio

UPX achieves an excellent compression ratio and offers very fast decompression. Your executables suffer no memory overhead or other drawbacks for most of the formats supported, because of in-place decompression. UPX strengths in a nutshell: Platforms: *nix

7-Zip is a file archiver with a high compression ratio.Features:- High compression ratio in new 7z format with LZMA compression- Supported formats:- Packing / unpacking: 7z, ZIP, GZIP, BZIP2 and TAR- Unpacking only: RAR, CAB, ISO, ARJ, LZH, CHM, Z, CPIO, RPM, DEB and NSIS- For ZIP and GZIP... Platforms: C and C plus plus

EngineCR is a internal combustion engine compression ratio calculator. Automotive machine shops and engine builders can benefit from the use of EngineCR. EngineCR accurately calculates the static compression ratio of an engine. Calculations are based on the engine's bore, stroke, cylinder head... Platforms: Windows

This script demonstrates the influence of range reduction algorithm at low bitrate encoding using JPEG encode. The range [0-255] of pixel values is mapped to [64-235] in this script using a look-up-table. Subsequently, the file is compressed to achieve the same bit-rate (file size) as that of the... Platforms: Matlab

ALZip is a one-stop archiving and compression program designed for speed and ease of use. With support for more compression and archiving formats than any other major utility, ALZip is the only ZIP utility you'll ever need. The ALZip 8.0 provides its own file format "EGG," which makes better... Platforms: Windows

One-click BackUp (OCB) is a powerful but easy-to-use file backup manager for WinRAR. RAR files can usually compress content 8 to 30 percent better than ZIP compression, providing better file safety and secrecy. OCB is capable of creating RAR and ZIP archives, as well as self-extracting EXE... Platforms: Windows

Win7z is a 7z compression software after the WinZip , WinRAR Because 7z format has higher compression ratio than RAR, Zip, so you use it to compress documents will save more disk space. Win7z supports many types of common file formats, this is same as WinRAR, WinZip. It has more powerful... Platforms: Windows

7-Zip is a file archiver with a high compression ratio.Features: - High compression ratio in new 7z format with LZMA compression - Supported formats: - Packing / unpacking: 7z, ZIP, GZIP, BZIP2 and TAR - Unpacking only: RAR, CAB, ISO, ARJ, LZH, CHM, Z, CPIO, RPM, DEB and NSIS - For ZIP and... Platforms: Windows, Mac, *nix, C/C++, BSD

XZ Utils is free general-purpose data compression software with high compression ratio. XZ Utils were written for POSIX-like systems (GNU/Linux, *BSDs, etc.), but also work on some not-so-POSIX systems like Windows. XZ Utils are the successor to LZMA Utils. The core of the XZ Utils compression... Platforms: *nix

Lossless Video for Windows video codec with the highest compression ratio. Supports RGB24, YV12, YUY2 color formats. Free for non-commercial use. Can be used with VirtualDub and other programs supporting VfW codecs. Platforms: Windows

There are lots of scanned PDF files need to be copied, transferred or exchanged often on the Internet. However, scanned PDF documents are made from images and the file sizes are very large. It is not easy to send emails with large PDF attachments. PDF Compressor is a Windows utility that... Platforms: Windows, Windows 7, Windows Server

7-Zip is a file archiver with high compression ratio. Features: * High compression ratio in new 7z format with LZMA compression * Supported formats: o Packing / unpacking: 7z, ZIP, GZIP, BZIP2 and TAR o Unpacking only: RAR, CAB, ISO, ARJ, LZH, CHM, Z, CPIO, RPM, DEB and NSIS * For ZIP and GZIP... Platforms: Windows

This unique software acts similar to WinZip enabling you to compress your HTMLs into much smaller zip archives with compression ratio of 90% and more! Your web pages will load quicker and you'll save both your web traffic and disk space. Unzipping compressed with HTML2Zip documents in... Platforms: Windows

Create instant screen demos with the highest compression ratio in the world. With SCREEN2EXE, with this 400K FREE tool you can: 1) Record onscreen changes to a self-played EXE file.2) Record mouse movement and clicking. 3) Record speech from microphone. 4) Support partial recording. 5) Get... Platforms: Windows

This screen recorder creates instant screen demos, tutorials and presentations with the highest compression ratio in the world. With SCREEN2SWF, the 1M only free to try screen recorder, you can: Record: -Record onscreen changes -Record mouse movement and clicking. -Record speech... Platforms: Windows

If you constantly use internet through Windows Mobile based PDA or Smartphone, then no doubt you are interested in saving your money by reducing the traffic. Indeed, now it is possible with DeSofto Traffic Compressor for Windows Mobile. The program reduces traffic from WWW, E-mail, ICQ, RSS, FTP... Platforms: Windows CE, Pocket PC, Windows, Handheld/Mobile Other

File archiver with high compression ratio. Compression ratio results are very dependent upon the data used for the tests. Usually 7zX compresses to 7z format 30-70% better than to zip format, and 2-10% better than most of other zip compatible programs. 7zX currently supports tar, zip, gzip,... Platforms: Mac

Advanced Image Compressor, Bitmap compression Sevana Image Compressor provides high compression ratio comparable with JPEG2000 Sevana Image Compressor is a tool providing advanced compression for different types of images. Compression ratio and quality are comparable with JPEG2000 and wavelet... Platforms: Windows

7zX is a file archiver with high compression ratio. Compression ratio results are very dependent upon the data used for the tests. Usually 7zX compresses to 7z format 30-70% better than to zip format, and 2-10% better than most of other zip compatible programs. 7zX currently supports tar, zip,... Platforms: Mac

There are lots of scanned PDF files need to be copied, transferred or exchanged often on the Internet. However, scanned PDF documents are made from images and the file sizes are very large. It is not easy to send emails with large PDF attachments. PDF Compressor is a Windows utility that... Platforms: Windows, Windows 7, Windows Server