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NEW : 2013 Dec 24 | Added new programs:

2013 Dec 24Merry christmas and a happy new year
2013 Dec 24added SMAC 1.19 - nice speed improvement
2013 Dec 24added packARC 0.7rc11
2013 Dec 24added MTARI 0.2
2013 Dec 24added ZPAQ 6.43
2013 Dec 12added SMAC 1.18
2013 Dec 12added BWCM option c128
2013 Dec 12added CM1
2013 Dec 12added packARC 0.7rc11
2013 Dec 12added MTARI 0.2
2013 Dec 08added Packet 1.1 - nice improvement compared to previous version
2013 Dec 08added XZ 5.1.3 alpha (multithreaded)
2013 Dec 08added CM0
2013 Dec 08added CM0_EXT
2013 Dec 08added BWCM option c64
2013 Oct 31added WinZip 18.0 (uses LZMA2 through XZ library)
2013 Oct 31conditional formatting now is colored like traffic lights (red=big archive size, yellow=medium, green=small)
2013 Oct 31new groups: blue=LZSS, green=LZH, red=LZMA, yellow=CM
2013 Oct 31added B1 Free Archiver 1.4.67 (2 Tests: ultra & smart)
2013 Oct 31added WinRar 5.0 solid & non-solid
2013 Oct 31added WinArchiver 3.1
2013 Oct 31added WinRar 5.0 (2 Tests: solid & non-solid)
2013 Oct 31added LZ4 1.4
2013 Oct 31added LZF 1.01
2013 Sep 29added BIM 0.03
2013 Aug 31added new tab 'Camera Raw' to .XLSX and .ODS
2013 Aug 31updated camera raw compression Benchmark
2013 Aug 31added ZLITE
2013 Aug 31added Tangelo 2.4
2013 Aug 12added encoding times on Audio sheet
2013 Aug 12added FLAC 1.3.0, TAK 2.3.0, WAVPACK 4.70 beta 1, Monkey's Audio 4.1.2 (Audio sheet)
2013 Aug 12added ALAC (refalac), WMA 0.29b, FLAKE 0.11 (Audio sheet)
2013 Aug 12added SMAC 1.16, Flashzip 1.1.3, SHARC 0.9.6,Packet 1.0 (-mx6)
2013 Jul 29added encoding times on Image sheet
2013 Jul 29added JXRLIB 1.1, ZCM 0.88, WIC final (Image sheet)
2013 Jul 29added MCM 0.4
2013 Jul 29added Tangelo 2.3
2013 Jul 14rearranged Hall of Fame & added C. Feck, J. Barone, M. Chartier & M. Hessel
2013 Jul 14added WEBP 0.3.1 (Image sheet)
2013 Jul 14added RINGS 2.0
2013 Jul 14added Tangelo 2.0 (fast enough to enter practical chart)
2013 Jul 14added SMAC 1.15
2013 Jul 14added CRUSH 1.0
2013 Jun 23added ZCM 0.88 - reaches record on PGM testset (practical chart)
2013 Jun 23added ZPAQ 6.33
2013 Jun 23added MCM 0.3
2013 Jun 23added BCM 0.14
2013 Jun 23added paq8pxd_v6 (partly) & Tangelo 1.0 (slower than practical sheet)
2013 Jun 13added MCM 0.2 and paq8pxd_v6 (TXT Bible only)
2013 Jun 05added MCM 0.0, ZOPFLI
2013 Jun 05added ZCM 0.80
2013 Apr 29added WinRar 5.0 beta 1
2013 Apr 25here is the detailed camera raw compression Benchmark
2013 Apr 25added SMAC 1.13, SMAC 1.14, ZPAQ 6.23
2013 Jan 14added new poll
2013 Feb 20added BIM 0.02 - a new lossless image compressor
2013 Feb 20old 3DGame testset deleted, old D.N.A. testset deleted
2013 Feb 20program results are sorted by a sum expressing percentual distance from best result of each testset
2013 Feb 20every program that enters the chart above 7-Zip gets an additional sum modifier: (encoding time/5000)
2013 Feb 20audio (wav) testset added
2013 Feb 20camera raw testset added
2012 Oct 17added ZCM 0.70d
2012 Oct 17added KWC, LAZY 1.00, LCSSR 0.2, LZGT3aNTFS, PowerArchiver 2012 13.02.02, RangeCoderC 1.8, Symbra 0.2, TinyCM 0.2, TinyLZP 0.1
2012 Oct 17added ARBC2Z, ASH 0.7, BPE2, COMPROLZ 0.1.0, Contra 0.5, Data-Shrinker, DZO Compressor 0.1.1 beta, FPAQ0pv4b, jTarsaLZP
2012 Oct 08now available via Google Docs
2012 Oct 06image tab: complete retest, partly new corpora; added NK2 beta, WIC, Glicbawls, EDP, ZPAQ 6.04
2012 Oct 06audio tab: complete retest with new corpora; added Sony ATRAC Adanced lossless, Sonicls (new lossless exp. FFMPEG codec)
2012 Oct 06added ZPAQ 6.06 -method 4, Comprox 0.80fixed
2012 Sep 11added ZCM 0.60d, ZCM 0.60d -t4
2012 Sep 11image tab: added LIBJPEG (Th. Richter), CharLS, jpegls.8bi, JPEG 9, PhotoK 0.1.0.1, ZCM 0.60b
2012 Sep 11added Precomp 0.4.3, Precomp 0.4.3 + 7-Zip 9.28, Precomp 0.4.3 + FreeARC 0.67 (Aug 27)
2012 Sep 11added FreeARC 0.67 (Aug 27), Comprox 0.6.0
2012 Aug 04Hall of Fame: added Drs. ing. Nico E. de Vries (.UC2 archive format)
2012 Aug 04Hall of Fame: added Denis Balatoni (proposed arithmetic coding inside .OGG Vorbis files)
2012 Aug 04Hall of Fame: added Segher Boessenkohl (created Huffman recompression tool for .OGG Vorbis soundfiles (REHUFF))
2012 Aug 04Hall of Fame: added Gregory S. Chudov (created FLAC encoder with CUDA™ support (FlaCUDA))
2012 Aug 04Hall of Fame: added Gregory S. Chudov (created FLAC encoder with AMD STREAM™ & CUDA™ support (FlaCCL))
2012 Jun 18added AACZIP (2005), OGG REHUFF (2012), reJPEG 0.1 (2011)
2012 Jun 18added packARC 0.7RC6, WinRar 4.20
2012 Jun 18added SCM 0.01, CTS 1.0, Staticcomp, PPMX 0.08, STZ 0.83, ST 0.83
2012 Jun 18retested NanoZip 0.08 and NanoZip 0.09, Sami is so kind to host my testsets at www.compressionratings.com
2012 Jun 18retested WinTurtle 1.60
2012 Jun 05added ZCM 0.50, LZIP 1.11, Free Zip Archiver 2.0.1.2, BBB 1.0
2012 Jun 05added LZF 3.6 vf, PBZIP2 1.1.7, LBZIP2 0.23, FBC 1.0, WinRar 4.20 beta 3 (partly)
2012 Jun 05retested NanoZip 0.08 & NanoZip 0.09
2012 May 20added FreeARC 0.67 (May 19) console with experimental switches
2012 May 20added FP8_v3, ZCM 0.40, png2Webpll (12.04.2012), STUFFIT API 2.0.672.3563
2012 May 20added ARG 1.00.001, GRZip 0.7.3, BTSPK 3.60b, BBB 1.0
2012 May 03added ABComp 2.06, TAR, ZCM 0.30, FlashZip 0.99d1, WinRar 4.20 beta 1
2012 Apr 28added WinZip 16.5.10095, FP8_v2, PAQ8pxd_v4, ZCM 0.20b
2012 Apr 28added REDUQ 1.2, SKY 1.15, SZIP 1.12a, SEMONE 0.6b2, SAR 1.0, B1 Free Archiver 0.40
2012 Apr 28added CAR 1.50, JARCS 0.94, LZAP 0.20.0, ENC 0.15, LGHA 1.1g, MAR 1.0, LZSDEMO 3.1, oPAQue 1.0, RAX 1.02
2012 Apr 19added ARJZ 0.15, BWC 0.99d, CrossePAC 1.35, DWC 5.10, SBX 1.4; still pending: CAR 1.50, JARCS 0.94
2012 Apr 19new SqueezeChart has 11 testsets - all of them downloadable (except Office set which will be replaced)
2012 Mar 31Prof. Thomas M. Cover passed away on 26th March 2012 - our condolences go to his family, friends and students
2012 Mar 26world premiere: tested packMP3 1.0 by Matthias Stirner
2012 Mar 26PDF, JPG, MP3, PNG, Installer..tab: added new programs and removed some old
2012 Mar 24Hall of Fame: added Ilya Grebnov (BSC/LIBBSC), Yann Collet (LZ4), Andrew Polar (Polar Codes, iRolz)
2012 Mar 24Hall of Fame: added Eugene Shelwien (REFLATE), N.F. Antonio (ZCM), Matthias Stirner (packPNM), Stefano Brocchi (BCIF)
2012 Mar 23image tab: added ImageZero .IZ
2012 Mar 22main tab: added PAQ8pxd_v2, PAQ8pxd_v3, NanoZip 0.09, FreeARC 0.67 (Feb. 05), ZCM 0.11, ZCM 0.04
2012 Mar 22main tab: added ZPAQ 4.00, REFLATE 0c1, BSC 3.1.0, YZX 0.11, WinZip 16.0.9715 x64, WinRar 4.11 x64
2012 Mar 22main tab: added FBC 1.0, LZSR 0.01, packARC 0.2a, LZMAT 0.51, LZ4 1.3
2012 Mar 22image tab: added PAQ8pxd_v3, Flic 2.1 x64, GraLIC 1.11 demo, PackPNM 1.4d, JPEG-XR, WEBP lossless, PNGWOLF
2012 Mar 22image tab: removed 48 bit & 16 bit examples, removed decla24.tif, added 2 new benchmarks: fuji24.tif & sony24.tif
2012 Mar 22from now on all results are published using downloadable spreadsheet (no html anymore)
2011 Aug 10added ZPAQ 3.00 - reaches 58th place, ist etwas schneller als ZP 1.00
2011 Aug 10added FlashZip 0.99c2 - reaches 75th place, faster and better compression than previous version - well done, Nania
2011 Aug 10added BSC 2.7.0 - reaches 96th place, faster and better compression than BSC 2.4.0 - very well done, Ilya
2011 Aug 10added WinRar 4.01 - reaches 143th place - but a bit worse than previous version
2011 Aug 10added TAK 2.2.0 - much faster than previous version and with multiple channel support - very well done, Thomas
2011 Aug 10added GraLIC 1.10 - better compression than previous version - well done, Alex
2011 Jul 18I'm back again after moving into a new flat and a little break
2011 Mar 20added FLIC 1.2 - faster and better compression - the best practical lossless image compressor, Alex
2011 Mar 20added JPEG-XR - better-compressing alternative for lossless images
2011 Mar 20added BCIF - lossless image compressor better than JPEG-XR, WinRK - new hope next to FLIC - well done, Stefano
2011 Mar 20added OptimFROG 4.910 - a lot faster and slightly better compression - well done and welcome back, Florin
2011 Mar 20added NanoZip 0.08 (x64)LZHDS 2GB multithreaded.. reaches 92th place
2011 Mar 20added LZHAM alpha 6 - reaches 110th place - well done, Rich
2011 Mar 20added PPMX 0.07 - faster than previous versions but sacrificing compression
2011 Mar 20added iROLZ - reaches 259th place
2011 Jan 21World champion of 2009 is also world champion of 2010 (compression) - in terms of speed it is LZ4 (Yann Collet)
2011 Jan 21added PAQ8PX v69 - reaches 4th place
2011 Jan 21added Stuffit 14.0.1.27 - reaches 16th place
2011 Jan 21added ZP 1.00 - reaches 59th place
2011 Jan 21added WinZip 15.0.9334 - reaches 105th place and is 25% faster than previous version
2011 Jan 21added LZMAREC - reaches 112th place - very capable and interesting recompressor, Eugene
2011 Jan 21added PeaZip 3.3 (7z ultra + adv. filters) - reaches 115th place
2011 Jan 21added BCM 0.12 (retest) - reaches 120th place
2011 Jan 21added LZMA SDK 9.20 - reaches 129th place
2011 Jan 21added EPM r9 (EPMOPT retest) - reaches 131st place
2011 Jan 21added PowerArchiver 2010 11.70 - reaches 137th place, still crashes on other sets
2011 Jan 21added WinRar 4.00 beta 1 - reaches 139th place
2011 Jan 21added PPMd Jr1 sh8 - reaches 157th place
2011 Jan 21added ALZIP 8.12 (.egg solid) - reaches 162nd place
2011 Jan 21added WinArchiver 2.1 (.mzp best) - reaches 219th place
2011 Jan 21added XP v5 - reaches 279th place
2011 Jan 21added Reasonable Archiver 1.1.0.8 - reaches 301st place
2011 Jan 21added ALZIP 8.12 (.egg optimized) - reaches 321st place
2011 Jan 21added PeaZip 3.3 (.pea better) - reaches 345th place
2011 Jan 21added LZ4HC 0.9 - reaches 391st place - remarkable, I like that tool
2011 Jan 21added LZ4OC 0.1 - reaches 392nd place
2011 Jan 21added LZ4 0.6 - reaches 417th place and new world record champion in terms of speed
2010 Oct 31updated Hall of Fame: Jarek Duda, Ilya Grebnov, Sebastian, Alexander Ratushnyak, Przemyslaw Skibinski
2010 Oct 31corrected Hall of Fame: image of David A. Scott was wrong - thanks for reporting, David
2010 Oct 31added LZHAM alpha 5 - reaches 117th place - well done, Rich Geldreich
2010 Oct 31added BSC 2.4.0 - reaches 111th place - BSC 2.2.5 reaches 113th place - well done, Ilya
2010 Oct 31added SAC 0.0.6a4 - world record compression of 16 Bit stereo wavesounds - very well done, Sebastian
2010 Oct 31added GraLIC 1.8 demo - world record compression of 24 Bit images - very well done, Alexander
2010 Oct 31added OCA_MPEG 0.6 - world record compression of MPEG1/MPEG2 videos - very well done, Przemyslaw
2010 Jul 12image tab: now also includes RAW camera samples in 16 and 48 bit, and 32 bit HDR samples
2010 Jul 04Hall of Fame Update: Mark Adler, Cosmin Truta (OptiPNG), Glenn Randers-Pehrson (PNGCrush), Dr. Vadim Engelson (FCM) and Andrea Mazzoleni (AdvanceComp)
2010 Jun 08added FP8 - reaches 7th place and has unmatched speed in the top 10 of the chart - very well done, Jan
2010 Jun 08added NanoZip 0.08 (CM) - reaches 13th place - 0.07 reaches 12th place
2010 Jun 08added NanoZip 0.08 (OPT2) - reaches 25th place - 0.07 reaches 28th place - well done, Sami
2010 Jun 08added NanoZip 0.08 (OPT1) - reaches 37th place - 0.07 reaches 36th place
2010 Jun 08added NanoZip 0.08 (LZHDS) - reaches 94th place - 0.07 reaches 93th place; newer is twice as fast
2010 Jun 08added PBZIP2 1.0.5 - reaches 274th place, needs 149 sec instead of 1175 sec (BZIP2)
2010 Jun 08added PIGZ 2.1.6 - reaches 336th place, needs only 130 sec instead of 565 sec (GZIP)
2010 Jun 08added Etincelle alpha3 - reaches 295th place - well done, Yann
2010 Jun 08added FreeARC 0.666 - reaches 45th place (v0.61 reaches 44th place) but newer is a lot faster
2010 Jun 08added YZX 0.03 - reaches 101st place - remarkable, Nania
2010 Jun 08added BSC 2.1.0 - reaches 135th place (v. 1.0.2 reaches 115th place) but newer is 11 times faster - well done, Ilya
2010 Jun 08added CSC 3.2alpha3 - reaches 157th place - well done, Fu
2010 Jun 08added Etincelle RC2 - reaches 298th place - well done, Yann
2010 Jun 08new testing plattform: Gulftown Core i7 980x with 6 GB DDR3-2000 - old timings are greyed out
2010 Apr 04added Etincelle alpha3 - reaches 295th place - well done, Yann
2010 Apr 04added FreeARC 0.61 (19. Feb. build) - reaches 43th place - keep on the remarkable work, Bulat
2010 Apr 04added BRED 3.0 (1997) - reaches 221st place
2010 Apr 04added ECP 0.e.s. (2000) - reaches 233th place
2010 Apr 04added ULZ 0.2 c6 - reaches 365th place - well done, Ilia
2010 Apr 04added ULZ 0.2 c3 - reaches 380th place
2010 Apr 04added ULZ 0.2 c1 - reaches 399th place - comes close to QPRESS speed
2010 Apr 04added Astrotite 200X v1.7 - reaches 346th place
2010 Apr 04added Flashzip 0.99 beta 7 - reaches 90th place (Flashzip 0.99 beta 4 reaches 83th place)
2010 Apr 04added PAQ8kx 4 SSE2 alt - reaches 5th place but has only half the speed of no. 1
2010 Feb 03added QPRESS 0.39 - 391st place (QPRESS 0.11 reaches 384th place but is about 3 times slower) - well done, Lasse
2010 Feb 03added ZHUFF 0.3nr - 368th place in 63 sec (ZHUFF 0.2 reaches 365th place in 65 sec)
2010 Feb 03added WinZip 14.0.8708 - no changes in compression
2010 Feb 03added PAQ8PX_v68 (using * command) - noticably better results than on the TAR testsets
2010 Feb 03added PAQ8PX_v68 (TAR) - reaches 2nd place - very well done, Jan
2009 Dec 28Merry Christmas and a Happy New Year to all of you
2009 Dec 28PowerArchiver 2010 v11.61 still crashes on 4 sets - waiting for fix
2009 Dec 28Stuffit 2010 x64 does not compress as tight as earlier version - waiting for fix
2009 Dec 28Flashzip 0.99 beta 5b does not recurse subdirectories - waiting for fix
2009 Dec 28added WinZip 14.0.8688 - 102nd place (WinZip 14.0.8631 reaches 103th place
2009 Dec 28added ZHUFF 0.2 - 363th place in 65 sec (speed record!) (LZP2 reaches 398th place in 70 sec
2009 Dec 28added 7-Zip 9.0.7 + Ultra7z 0.10 - 60th place (7-Zip alone reaches 64th place) - well done, Alexey
2009 Dec 28added PAQ8PX_67 - 1st place and therefore world record holder of 2009
2009 Dec 28added BCM 0.10 (-b512) - 119th place (BCM 0.0.8 reaches 112th place
2009 Oct 14added BCM 0.0.9 - 123th place (BCM 0.0.8 reaches 112th place
2009 Oct 14added M03 0.2 alpha - 121st place (M03 from 2005 reaches 154th place) - well done, Michael
2009 Oct 14added LZP3 2.0 (1997) - 296th place - well done, Charles
2009 Oct 14added LZP1 (1995) - 398th place in 509 seconds - well done, Charles
2009 Oct 14added LZP2 (2009) by Yann Collet - 406th place in 70 seconds (new speed record!) - very well done, Yann
2009 Sep 27still in progress: BCM 0.0.9 - could not find one switch for all testsets
2009 Sep 27added PAQ8PF beta - 30th place - well done, Lovepimple
2009 Sep 27added FreeARC 0.52 (GUI) -mx - 42nd place (0.51 reaches 41th place)
2009 Sep 27added WinZip 14.0.8631 beta - 102nd place (12.1.8519 reaches 103th place) - well done, Nania
2009 Sep 27added CSC31 -m3 -d7 - 109th place (CSC3 reaches 218th place) - very well done, Fu Siyuan
2009 Aug 21added FlashZip 0.99 beta 3 - 145th place (0.94 reaches 95th place)
2009 Aug 21added Rings 1.6 - 125th place (1.5 reaches 134th place) better bitmap & audio compression but worse xml compression
2009 Aug 21added PAQ8PX_61 - reaches top rank of main chart
2009 Aug 21added retest of NanoZip 0.07 - timings are correct but were not correct for 0.06
2009 Aug 21added CSC3 (Aug 12th) opt. 9 — 216th place (July version reaches 367th place) - pretty much faster than earlier version and good performance
2009 Aug 21new index page layout thanks to Jan Ondrus (and Skymmer for background image optimization
2009 July 20added CSC3 (July)opt. 9 — good performance but fails on Encyclopedia corpus
2009 July 20added PowerArchiver 2010 11.50.66 — opt. 7z crashes on 4 sets; used TAR‘ed corpora
2009 July 20added WinZip 12.1.8497 — slightly better than 12.0 with ZIPX format
2009 July 20added NanoZip 0.07 — slightly better with LZHDS, OPT2 and CM; OPT1 is slightly worse compared to NanoZip 0.06
2009 July 20added WinZip 12.1.8519 — slightly better than 12.0 and PowerArchiver with opt. ZIPX format

Welcome to my lossless file compression benchmark.

We all do daily save data – no matter if photographs, music, programs, games, texts or backups of mobile devices. To save space and to prevent data losses, those data is stored in archives.

But which program is best in keeping my data smaller? My holiday photographs? And the songs of my MP3-Player? Which archiving tool is best for which data types? How does my current tool score? How about alternatives? And what about compression and decompression timings?

This site gives answers to all these questions.

patent

Back in 1985 the first archiving tool was born: „SQPC file squeezer“. Today hundreds of programs do exist, most of them advertising more safety, more speed and better compression than all other competitors and alternatives.

But can we trust commercials? We prefer to test. All archivers have to run over the the same test data and are rated by the size of the resulting archives. In the main test we have 9 testsets. The smaller the archives the higher the archiver climbs up the charts. Also the time needed to backup („compress“) and restore („decompress“) is reported here. So this site is your guide before buying an archiving tool.

At the same time archiver-selling companies see how they compete to other; we can give inspiring ideas, make improvement suggestions and can help to design the future of data compression. And who knows — perhaps one day those programs can reach the performance of the biological archive idol — the genetic instruction sequence (D.N.A.).

You see things; and you say, 'Why?' But I dream things that never were; and I say, "Why not?" (George Bernard Shaw, 1921)