Lossless Compression

SpaceKey is a high-performance lossless compression and password protected encryption utility. These two functions are combined in one easy to use program. It will compress and encrypt, or restore, any binary or text data. Platforms: Windows, Mac, Linux

HS Compress is a software library (supplied with full C source code) which provides a programmer with a lossless compression / decompression algorithm based on RLE (runtime length encoding) The library may be used in telecommunications application or for fixed data compression. *HOW IT WORKS:... Platforms: Windows, Windows CE

FLAC is a lossless compression method for audio files. Using it, one is able to reduce the filesize and keep the same audio quality as a regular WAV file (CD quality). The FLAC format is open source, and can be read without any problem by such applications as Amarok or Kaffeine. Wav and Flac... Platforms: *nix

Onda is a Java application that performs lossless compression on 16-bit & 24-bit AIFF and WAVE audio files. The Onda algorithm performs unexceptionally (moderately fast, comp. ratio typically 65%-75%), but it is easy to understand and to implement. Platforms: Windows, Mac, Linux

Lossless compression program with various algorithms included. Intended for large XML files, but can compress any files. Best results with block compression (BWT+MTF+RLE) on large block over alphabet of words. Platforms: Windows, Mac, BSD, Linux

Standalone viewer for CPD, GPD, JPD and JpegDefiner image formats. Lossless compression. CPD (Compression PhotoDefiner) image format, as an alternative to the .PNG format for create a smaller compressed images. CPD can recompress also png files. GPD (Graphic PhotoDefiner) image format, as an... Platforms: Mac

La is a Lossless Audio compression program. That is, in contrast to formats such as mp3, La program reduces the size of music without affecting the quality, as the uncompressed signal is exactly identical to the original. However, the compression ratio is thus far lower than that for .mp3 files... Platforms: *nix

The SPIHT method is not a simple extension of traditional methods for image compression, and represents an important advance in the field. The method deserves special attention because it provides the following: Highest Image Quality Progressive image transmission Fully embedded coded file Simple... Platforms: Matlab

SCZ application is a simple set of compression routines for compressing and decompressing arbitrary data. The initial set of routines implement new lossless compression algorithms. Restoration (decompression) is perfect. It is called SCZ, for simple compression format. SCZ is intended as a... Platforms: *nix

FLAC stands for Free Lossless Audio Codec, an audio format similar to MP3, but lossless, meaning that audio is compressed in FLAC without any loss in quality.This is similar to how Zip works, except with FLAC you will get much better compression because it is designed specifically for audio, and... Platforms: C and C plus plus

HS Compress is a software library (supplied with full C source code) which provides a programmer with a lossless compression / decompression algorithm based on RLE (runtime length encoding) The library may be used in telecommunications application or for fixed data compression. Platforms: Windows, Windows CE

Visualize your images in the incredible lossy format JPD and lossless GPD, CPD... CPD: a new lossless compression format for professional storage, exchange, vision and print. JPD: lossy compression is most commonly used to compress multimedia data (audio, video, still images), especially in... Platforms: Mac

Acala DVD 3gp Ripper is an easy-to-used dvd 3gp converter, which rip dvd and convert dvd to high quality AVI/Mp4/3GP/H263/WMV/3G2 formats with small size, then copy dvd to blackberry phone, mobile phone, pocket pc, palm phone, and play on them. The enhanced build-in encoder compresses... Platforms: Windows, Windows 7

Enables users to bring JPDP into an Apple QuickTime® environment. It facilitates field editing and lets the reporter transmit edited files back to the studio which makes it ideal for: JPDP Photo Component for QuickTime: Lossless compression. - saved in the container pict 3 compressions (visible... Platforms: Mac

www.tahionic.com Resize pictures, digital images, wallpapers at batch. Batch resize images/pictures without loosing quality. Automatic picture resize smooth filter resampler.Graphic -, image/picture pPlcessing, lossless compression and resizing. Freeware graphic resizer tool. Image/picture... Platforms: Windows

Img2Eps is image converter written in Java which converts raster images into EPS (Encapsulated Post Script). It supports simple lossless compression, so the generated EPS images are quite small. Generates PostScript Language Level 2. Platforms: Windows, Mac, Linux

PDF is a great format for reading and sharing documents, but it gives you no options to alter documents. Bravo Free PDF Converter Suite combines most practical PDF conversion tools to solve that problem. It has the ability to convert PDF to Word, PDF to Excel, PDF to JPG, PDF to TIFF, PDF to... Platforms: Windows, Windows 8, Windows 7

This product is created for lossless video compression. The techniques used by this filter allow to compress videos with compression coefficient 1.1 - 1.9 higher than HuffYUV. Platforms: Windows

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

Bonk is a an audio compression program that operates in both lossy and lossless modes. The compression method Bonk uses is quite simple compared to other lossy formats (such as MP3), and is based on speech compression techniques. It is nevertheless capable of producing a high compression ratio... Platforms: *nix