WinRAR is a powerful archive manager. It can backup your data and reduce the size of email attachments, decompress RAR, ZIP and other files downloaded from Internet and create new archives in RAR and ZIP file format. You can find themes for WinRAR [here](http://www.rarlab.com/themes.htm). #### Commercial software You can try WinRAR before you [b... More information

Carbon is a PowerShell module for automating the configuration Windows 7, 8, 2008, and 2012 and automation the installation and configuration of Windows applications, websites, and services. It can configure and manage: * Local users and groups * IIS websites, virtual directories, and applications * File system, registry, and certificate permis... More information

Info-ZIP's purpose is to provide free, portable, high-quality versions of the Zip and UnZip compressor-archiver utilities that are compatible with the DOS-based PKZIP by PKWARE, Inc.

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.

Info-ZIP's purpose is to provide free, portable, high-quality versions of the Zip and UnZip compressor-archiver utilities that are compatible with the DOS-based PKZIP by PKWARE, Inc.

libjpeg-turbo is a derivative of libjpeg that uses SIMD instructions (MMX, SSE2, NEON) to accelerate baseline JPEG compression and decompression on x86, x86-64, and ARM systems. On such systems, libjpeg-turbo is generally 2-4x as fast as the unmodified version of libjpeg, all else being equal. libjpeg-turbo was originally based on libjpeg/SIMD by ... More information

OptiPNG is a PNG optimizer that recompresses image files to a smaller size, without losing any information. This program also converts external formats (BMP, GIF, PNM and TIFF) to optimized PNG, and performs PNG integrity checks and corrections. ## Notes - Please uninstall any versions prior to version 0.7.6, otherwise you may experience problems... More information

# Introduction FileOptimizer is an advanced file optimizer featuring a lossless (no quality loss) file size reduction that supports: .3GP, .A, .AAI, .AC, .ACC, .ADP, .AI, .AIR, .APK, .APNG, .APPX, .APR, .ART, .AVS, .BAR, .BMP, .BPL, .BSZ, .CBT, .CBZ, .CDR, .CDT, .CHI, .CHM, .CHQ, .CHS, .CHW, .CPL, .CSL, .CSS, .DB, .DCX, .DEB, .DES, .DIB, .DLL, .DOC... More information

PNGGauntlet is a .NET (v4.0) program that uses [Ken Silverman's PNGOUT](http://advsys.net/ken/util/pngout.htm), [OptiPNG](http://optipng.sourceforge.net/) and [DeflOpt](http://www.walbeehm.com/download/) to optimize PNG files. Many PNG files output by popular graphics software packages like Photoshop or even Fireworks are not as small as they could... More information

pngquant is a command-line conversion utility and library to [quantize](https://wikipedia.org/wiki/Quantization_%28image_processing%29) (lossy compression) and [dither](https://wikipedia.org/wiki/Dither) truecolor PNG images, especially those with a full alpha channel, down to 8-bit (or smaller) RGBA-palette PNGs. Such images are usually two to fou... More information

Briefly speaking, Easy 7-Zip is an easy-to-use version of 7-Zip. Originally, Easy 7-Zip was built based on 7-Zip 9.20. I kept all features of 7-Zip and added a few useful features that makes the software more user-friendly. Recently, 7-Zip upgraded to 16.04. So, I moved codes to the version. 7-Zip is a free and great file decompression and compres... More information

## Highest Performance Xvid runs very fast as it is optimized for the latest CPUs. Recording videos from a camera in realtime or playing back HD video smoothly are not a problem. Your computer will still have plenty of power left for your other tasks! ## Plays Everywhere A big advantage of Xvid compressed video files is that they play almost anywh... More information

PNGGauntlet is a .NET (v4.0) program that uses [Ken Silverman's PNGOUT](http://advsys.net/ken/util/pngout.htm), [OptiPNG](http://optipng.sourceforge.net/) and [DeflOpt](http://www.walbeehm.com/download/) to optimize PNG files. Many PNG files output by popular graphics software packages like Photoshop or even Fireworks are not as small as they could... More information

ViPER4Windows is an “APO”. APO stands for “Audio Processing Object”. APO is designed by Microsoft. It is an audio processing framework that can be loaded onto any sound card. ViPER4Windows ViPER’s Audio audio driver for Windows PC OS. It comes with many audio effects such as Gain Control, Equalizer, Convolver, Surround, Reverb, Compressor a... More information

WavPack is a completely open audio compression format providing lossless, high-quality lossy, and a unique hybrid compression mode. Although the technology is loosely based on previous versions of WavPack, the new version 4 format has been designed from the ground up to offer unparalleled performance and functionality. In the default lossless mode... More information

Package archiver makes it trivially easy to make and extract common archive formats such as .zip, and .tar.gz. Simply name the input and output file(s). Files are put into the root of the archive; directories are recursively added, preserving structure. The `arc` command runs the same cross-platform and has no external dependencies (not even libc... More information

MPRESS makes programs and libraries smaller, and decrease start time when the application loaded from a slow removable media or from the network. It uses in-place decompression technique, which allows to decompress the executable without memory overhead or other drawbacks; it also protects programs against reverse engineering by non-professional ha... More information

Lzip can compress about as fast as gzip (lzip -0), or compress most files more than bzip2 (lzip -9). Decompression speed is intermediate between gzip and bzip2. Lzip is better than gzip and bzip2 from a data recovery perspective. The lzip file format is designed for data sharing and long-term archiving, taking into account both data integrity and ... More information

Virtual Engine Zip Archive compression PowerShell cmdlets.

FreeArc is fast but efficient compression and rich set of features. FreeArc works 2–5 times faster than best other compression programs. FreeArc combines best 7-zip and RAR features: auto-selected LZMA/PPMD/Multimedia compression, 1gb dictionary, exe/dict/delta data filters, updatable solid archives, SFXes, recovery record, AES+Twofish+Serpent en... More information

Caesium is simple open source image compressor. It compresses BMP, JPG and PNG formats. It allows you to save a lot of space and quickly upload your pictures on the web. The software allows you to view instantly the compression results, helping you to decide how much optimization you need. Caesium can set different compression levels to each imag... More information

FreeArc is fast but efficient compression and rich set of features. FreeArc works 2–5 times faster than best other compression programs. FreeArc combines best 7-zip and RAR features: auto-selected LZMA/PPMD/Multimedia compression, 1gb dictionary, exe/dict/delta data filters, updatable solid archives, SFXes, recovery record, AES+Twofish+Serpent en... More information

Color quantizer - a small program makes it easy to optimize your images for the web. Key features: + converting any number of colors + Supports writing png8 with alpha transparency + the opportunity to set a mask for quality critical areas + convenient editing palette + Batch optimization **Please Note**: This is an automatically updated package. ... More information

FreeArc is fast but efficient compression and rich set of features. FreeArc works 2–5 times faster than best other compression programs. FreeArc combines best 7-zip and RAR features: auto-selected LZMA/PPMD/Multimedia compression, 1gb dictionary, exe/dict/delta data filters, updatable solid archives, SFXes, recovery record, AES+Twofish+Serpent en... More information

# Introduction Guetzli is a JPEG encoder that aims for excellent compression density at high visual quality. Guetzli-generated images are typically 20-30% smaller than images of equivalent quality generated by libjpeg. Guetzli generates only sequential (nonprogressive) JPEGs due to faster decompression speeds they offer. # Using **Note:** Guetzli ... More information

PNGoo is a GUI for [pngquant](https://chocolatey.org/packages/pngquant), a PNG lossy compressor, supporting palleted alpha transparency.

Pngyu is a simple GUI front-end for [pngquant](https://chocolatey.org/packages/pngquant), a PNG lossy compressor, supporting palleted alpha transparency. 

The main goal of Borg is to provide an efficient and secure way to backup data. The data deduplication technique used makes Borg suitable for daily backups since only changes are stored. The authenticated encryption technique makes it suitable for backups to not fully trusted targets.

 ###Tweaking.com - Registry Compressor For Windows XP, 2003, Vista, 2008, 7, 8, 8.1, 2012, 10 (32 & 64 Bit) First and foremost, this program does NOT remove or add anything to the registry. This is not a registry cleaner or scanner. The Windows... More information