Compression Ratings

CompressionRatings.Com is a large open file compression benchmark (compression comparison) using public programs and test files. It is a reference for both professionals and end-users looking for the latest information about the performance of lossless data compression software.

More benchmarks: BWT comparison, Reference files, Comparison tool...

Status: 17000 GB of data de/compressed, 130 programs with total of 682 configurations tested.
Testing queue: zcm 0.60d

2012 June 13

zcm 0.20b, 0.31, 0.50a, 0.50ai submitted. winrar 4.20a added.

2012 March 17

zcm 0.11, yzx 0.11, mtcompressor 1.0, fbc 1.3b, lzturbo 1.0 submitted.

2012 January 14

zcm 0.03, flashzip 0.99d1, rangecoder 1.9 submitted.

2011 November 4

nanozip 0.09a, rangecoder 1.2 added.

Old program versions are no longer shown in the result pages by default. The test pages include a link below the "technical list" that enables the full listing that includes old versions.

2011 October 7-21

lz4 1.0, 1.3, flashzip 0.99c2, 0.99c3, rangecoder 1.0 submitted.

Due to HDD failure and system reinstallations some of the fastest programs were tested again because of runtime differences. See the program pages for information when each program version was tested. Thanks to 'pseudo' for donating a new HDD.

2011 April 1

stz 0.8.3, zhuff 0.7, csc 3.2f submitted. qpress 1.1 added and older versions re-tested with TAR-mode.

2011 March 1

zhuff 0.5, lz4 0.9, csc 3.2b2, csc 3.2 submitted.

2011 January 8

bsc 2.4.5, zhuff 0.4 submitted.

2010 December 27

csc 3.2b2, stcompressor 0.6 submitted.

winrar 4.00b3 added.

2010 September 7

bsc 2.3.0 submitted.

Improved filtering for the brief listings, they should show fewer entries now.

2010 August 4

paf 03a submitted.

New programs for bzip2 benchmark.

2010 July 10

bsc 2.2.5 submitted.

Added bzip2 benchmark.

2010 June 23

bcm 0.11 submitted.

Fixed some errors in pf-listings.

2010 June 19

bsc 2.2.0 submitted.

2010 June 3

nanozip 0.08a added.

csc 3.2a5 submitted.

2010 June 2

bsc 2.1.5 submitted.

2010 May 27

yzx 0.04 (and 0.03 May 22) submitted.

2010 May 20

freearc 0.666 submitted.

2010 May 14

csc 3.2a3 submitted.

Change to the main benchmark: Application2 is moved to the extended section to avoid having too much weight for long matches.

2010 May 9

csc 3.2a2 submitted.

Added a new file for the BWT comparison.

2010 May 4

bsc 2.0.0, yzx 0.01, 0.02 (May 7) submitted.

2010 May 2

csc 3.2a submitted.

2010 April 18-22

bsc 1.0.3, etincelle rc1, rc2, qpress 0.39 submitted.
pigz 2.1.4, pbzip2 1.0.5, 4x4 added.

 

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