Image compression tsis tau zoo

Cov neeg siv feem ntau tsis ua hauj lwm los ntawm qhov chaw qeeb hauv cov nplooj ntawv web. Kom ceev cov txheej txheem, tus tswv tsev kawm pauv qhov loj ntawm cov duab. Hloov cov duab tso cai rau koj kom txuag tau qhov chaw ntawm tus neeg rau zaub mov thiab txo qhov kev noj cov tsheb. Tus me dua daim duab, qhov zoo dua rau qhov kev pabcuam.

Kuv puas hloov cov dluab tsis poob zoo? Qhov tshwm sim nyob ntawm cov duab kos. Qee cov duab tsuas yog txo tau los ntawm 100 bytes. Xws li cov duab hauv Internet tau pom zoo kom muab luam tawm los ntawm 40%.

Cov duab yuav tsum tsis txhob poob zoo hauv. Image compression yuav tsum tau ua nyob rau hauv daim ntaub ntawv tshwj xeeb. Hauv kev txheeb xyuas no, cov kev pabcuam zoo tshaj rau kev txo cov duab yuav raug txiav txim siab.

AdvanceCOMP

Qhov no yog ib qho kev thov dhau los nrog kev pabcuam nyiaj-txuas. Lub fais fab yuav tsis pom zoo rau cov neeg siv los ua haujlwm nrog GUI. Yog tsis muaj cov ntaub ntawv qhia txog. Kev sib txuam duab yog ua los ntawm kev tawm ib kab lus yooj yim rau% a (hauv kev ua cov ntaub ntawv duab) ua advpng -z -4 "% a Yog hais tias tus neeg siv twb tau ua haujlwm nrog cov kab hais kom ua, nws yuav yooj yim rau nws kom tswj tau qhov kev pab cuam.

Tom qab qhov xaus ntawm cov duab compression, cov ntaub ntawv tiav lawm yuav hloov cov duab qub. Qhov zoo ntawm cov duab yuav nyob li qub. Qhov tshwm sim ntawm compression yuav tu siab rau tus neeg siv. Qhov luaj li cas hauv daim duab nyob hauv PNG hom yuav txo 14.2% xwb. Qhov kev zov me nyuam yuav siv nrog ua ke nrog lwm cov khoom siv kom optimize cov duab.

Cesium

Ib qhov yooj yim qhib siv cov ntaub ntawv siv rau cov duab thaij duab hauv PNG, JPG thiab BMP. Qhov kev pab cuam interface yog qhov yooj yim thiab yooj yim. Ntxiv cov dluab xav, nias lub khawm Ntxiv. Nyob rau hauv lub qhov rais qhib, koj yuav tsum xaiv cov dluab thiab qhia ib daim nplaub tshev kom txuag tau cov ntsiab lus.

Tom qab ntawd nias rau ntawm khawm Compress. Nthuav duab ntawm cov duab rau ntawm qhov chaw yuav raug sau los ntawm qhov kev zov me nyuam hauv ob peb feeb. Cov neeg tsim khoom tsis tau muab lub sijhawm los mus kho cov duab tsis tau poob zoo. Lub tuam txhab hluav taws xob cias qis cov ntaub ntawv uas siv cov kev cai teev tseg.

Thaum ua haujlwm nrog lub program, tus neeg siv yuav ntsib tej yam kev txwv. Daim ntawv tso cai rau koj tau txais cov ntaub ntawv tsuas muaj 24-ntsis. Thaum siv lwm hom ntawv, qhov nyhav ntawm qhov duab nce. Qhov loj ntawm daim duab yog txo los ntawm tsuas 1.2%. Yog tias tus neeg siv tsis txaus siab rau qhov kev tshwm sim, nws yuav tsis kam khaws cov ntaub ntawv.

FILEminimizer Cov duab

Qhov kev zov me nyuam siv ib qho kev tawm mus kom ze rau duab optimization. Tus neeg siv muaj qhov hloov kev hloov, yees duab, rho tawm metadata, transcode JPEG ntaub ntawv, nqa mus rau hauv tus account qhov xav tau los pauv qhov hnyav ntawm daim duab. Daim ntawv thov no ua rau ib qho kev paub zoo. Tom qab xaiv qhov chaw ua ntaub ntawv thiab qhov chaw khaws ntaub ntawv, nws tseem mus ua ib nias. Cov duab thev duab ua tiav sai heev.

Qhov tshwm sim nyob ntawm hom duab yees. Tus neeg siv yuav thev qhov ceeb thawj ntawm cov duab JPG mus rau 40%. Optimization ntawm PNG-ntaub ntawv muab tsis tshaj 28,8%. Nyob ntawm GIF compression nws yog tau los txo qhov nyhav ntawm daim duab tsuas yog 16,5%.

FileOptimizer

Daim ntawv thov ua haujlwm optimization ntawm cov dluab, executable files, archives, MS Office documents, PDF thiab ntau lwm tus. Qhov kev zov me nyuam muaj ib qho yooj yim thiab cov ntsiab lus tseeb. Tus neeg siv xwb xav cab cov duab hauv lub qhov hluav taws xob qhov rai, txoj cai-nias lub computer nas thiab xaiv qhov "optimize". Cov ntaub ntawv yuav raug hloov nrog cov tshiab. Cov thawj cov dluab ntawm cov dluab raug tsiv mus rau thoob khib nyiab.

Yog tias tsim nyog, tus neeg siv yuav rov qab tau cov ntaub ntawv. FileOptimizer yog qhov kev pab cuam zoo tshaj plaws rau kev luam cov duab hauv PNG hom. Dluab yuav txo los ntawm 42.2%. Optimizing dluab nyob rau hauv JPEG hom thiab cov GIF muab tsis ntau tshaj 17,7% thiab 15,9%, ntsig txog. Tus neeg siv kuj tuaj yeem hloov lwm cov ntaub ntawv ntawm nws qhov chaw.

ImageOptim

Qhov kev pabcuam no yog tsim rau cov computers khiav Mac OS. Daim ntawv thov compresses dluab, thiab kuj ua raws li lub hnab tsho rau lwm yam khoom siv. Qhov kev tso cai tso cai rau koj rho tawm cov lus piav qhia thiab xim profile. Qhov zoo ntawm cov dluab tom qab compression tshua zoo li qub. Cov ntaub ntawv rov qab tsis tau.

Yuav kom optimize cov duab, koj yuav tsum tau muab nws tso rau hauv qhov rais hluav taws xob. Qhov kev pab cuam rau duab compression tsis ua hauj lwm sai li peb xav. Qhov no yuav tsis yog ib qho teeb meem rau cov neeg siv daus xwb 5-10 duab rau daim ntawv thov.

Cov ntaub ntawv nyob rau hauv GIF thiab PNG hom yuav tsum tau compressed los ntawm 17.8%. JPG-duab yuav raug txo los ntawm 18.3%. Daim ntawv thov yog tsim rau cov neeg siv uas xav tau lub cuab yeej ruaj khov thiab yooj yim.

JStrip

Qhov kev pab cuam tso cai rau koj tshem tag nrho cov ntaub ntawv tsis tseem ceeb: thumbnails, piav qhia, xim profile, tsis tseem ceeb bytes thaum pib ntawm cov ntaub ntawv, etc. Koj yuav tsis xav kom ib tug tseem ceeb compression ntawm cov duab. Txij thaum lub transcoding tsis tau ua, cov duab zoo zoo li qub.

Cov duab uas muaj kev daws teeb meem tsuas yog muab luam tawm los ntawm 1%. Cov duab me me yuav raug txo los ntawm 16.1%. Koj tsis tuaj yeem hu rau daim ntawv thov kev zoo tagnrho. Qhov kev pab cuam hloov cov duab qub nrog cov duab tshiab.

OptiPNG

Compression ntawm WordPress dluab yog ua tau siv cov kab hais kom ua. Cov lus qhia ntxaws qhia txog tag nrho cov dej num ntawm lub fais fab. PNG dluab yuav raug txo los ntawm 32.2%. Lub cuab yeej raug pom zoo kom ua ke nrog lwm cov kev pab cuam.

PNGGauntlet

Daim ntawv thov muaj qhov yooj yim graphical interface. Qhov kev zov me nyuam tuaj yeem ua raws li lub hnab tsho rau lwm yam khoom siv. Thaum compressing, peb cov cuab yeej siv ib txhij siv. Vim li no, cov txheej txheem ntawm cov duab optization yuav tuaj yeem qeeb. 25 cov duab hauv kev daws teeb meem yog ua tiav 1 xuab moos.

Daim ntawv thov muab tau zoo heev ntawm kev sib hloov. Cov dej los txo 50 PNG cov ntaub ntawv los ntawm 41.3%. Tab sis nws puas tsim nyog tos? Txhua tus neeg txiav txim siab rau nws tus kheej. Cov neeg siv uas xav tau ib lub cuab yeej rau kev tsim kho zoo ntawm PNG cov ntaub ntawv yuav raug suav nrog qhov kev zov me nyuam hauv daim ntawv teev npe ntawm cov nqi hluav taws xob.

RIOT

Qhov no yog qhov dawb xwb daim ntawv thov rau nruab nruab ntu tsis tseem ceeb. Yog hais tias lub software tshaj tawm los ntawm cov neeg tsim khoom siv tsis zoo rau tus neeg siv, ces nws tuaj yeem tshem tawm cov cim kos npe los ntawm cov khoom siv sib piv. Daim ntawv thov muaj kev sib tshuam meej. Ib cov txheej txheem multi-threaded pub rau koj los ua cov duab ob zaug. Yog tias tsim nyog, koj tuaj yeem sib piv cov txiaj ntsim nrog cov qauv.

Qhov kev zov me nyuam thiaj li muaj cov xim hauv cov duab thiab ua rau kev hloov dua siab tshiab ntawm JPEG rau hauv daim duab uas tsis tshua zoo. Tom qab ua tiav, qee cov ntaub ntawv tuaj yeem ua loj dua. Yog li, koj yuav tsum tshawb xyuas cov ntsiab lus. Nws yuav tsum raug sau tseg tias daim ntawv thov ua haujlwm zoo nrog cov ntaub ntawv GIF. Animated dluab yuav compressed los ntawm 42,8%.

PNGOptimizer

Qhov loj ntawm daim ntawv thov yog 146 KB. Qhov kev zov me nyuam muaj ib tus txheej txheem txheej thaum ub. Cov khoom siv hluav taws xob compresses cov duab hauv PNG hom. Daim ntawv thov eliminates interlacing, ntau xyoo xim xim thiab deletes cov ntawv nyeem. Qhov kev pab cuam imports GIF, BMP thiab TGA-ntaub ntawv thiab txuag lawv li PNG-dluab.

Ntawm qhov ua tau zoo, daim ntawv thov kev pab cuam tsis zoo rau lwm cov nqi hluav taws xob. PNG cov dluab yuav tsuas yog muab luam tawm los ntawm 3.6%. Feem ntau cov duab ntawm lub network yuav txo los ntawm 40%. Cov neeg siv nrhiav kev yoojyim me thiab yooj yim rau kev ua haujlwm nrog PNG cov ntaub ntawv raug qhia kom them nyiaj rau daim ntawv thov no.

JPEGmini Lite

Qhov kev pab cuam compresses cov duab nyob hauv ob theem. Ua ntej, daim ntawv thov txiav txim uas ib feem ntawm daim duab yuav raug txo kom tsis txhob poob zoo. Ib qho kev ua ntsej muag uas siv ntau dua kev siv algorithm. Ces tus JPEG encoder compresses cov duab. Daim duab zoo nyob zoo li qub.

Txhawm rau pib txoj kev, rub cov duab rau lub qhov hluav taws xob qhov rai. Thawj cov duab yuav muab hloov nrog cov duab tshiab. Nyob rau hauv cov dawb version nws yog pub rau compress tsis muaj ntau tshaj 20 duab ib hnub twg.

Cov txiaj ntsim nyob ntawm seb cov duab qub. Dluab cov teeb meem muaj peev xwm muab luam tawm los ntawm 71.3% tsis tas muaj kev poob zoo. Yooj yim JPG duab tsuas yog txo tau los ntawm 8.2%. Qhov loj dua cov duab loj, qhov zoo dua qhov sib txuam zoo.

ScriptPNG

Qhov no yog ib qho cuab yeej ntawm kev ua twj paj nruas. Qhov kev pab cuam optimizes cov ntaub ntawv PNG. Kom hlob ib daim duab, koj yuav tsum muab nws tso rau hauv cov ntaub ntawv fais fab nws tus kheej. Ib tug hais kom ua prompt tshwm. Tus neeg siv yuav raug kev thov raws cai kom xaiv ib qho ntawm cuaj txoj kev ntawm compression.

Ntawm no koj yuav tsum qhia meej txog qhov kev xaiv tsim nyog. Daim ntawv thov kaw. Kev ua cov ntaub ntawv pib. Thawj cov duab yuav muab hloov nrog cov duab tshiab. Thaum qhov kev pab cuam khiav, tej zaum yuav muaj teeb meem nrog lub installer, ces koj yuav tsum manually kaw cov lus yuam kev.

Duab nyob hauv PNG hom yuav raug txo los ntawm 40.1%. Yog hais tias tus neeg siv xav ntxiv lwm txoj kev xaiv, nws tuaj yeem kho cov ntaub ntawv nws tus kheej.

Cov lus xaus

Qhov zoo tshaj plaws yog muab los ntawm FileOptimizer. Nrog nws cov kev pab, koj tuaj yeem ua tau 42.2% ntawm PNG cov duab. Daim ntawv thov kuj ua haujlwm fine nrog cov ntaub ntawv JPG thiab GIF. Yog hais tias tus neeg siv tsis nyiam qhov kev xaiv no, ces nws tuaj yeem saib nyob rau ntawm qhov kev pab cuam ScriptPNG. ImageOptim qhia tau zoo thaum ua haujlwm nrog cov duab JPEG thiab GIF.