pngcrush
ImageOptim
PNGGauntlet
TruePNG
TinyPNG
JPEG Resampler
OptiPNG
pngquant
SqueezeFile
Ximagic Quantizer
jStrip
Caesium Image Compressor
ImBatch
PNGGauntlet
Batch Image Resizer
Optimage
pngcrushBased on our record, pngcrush seems to be more popular. It has been mentiond 3 times since March 2021. We are tracking product recommendations and mentions on various public social media platforms and blogs. They can help you identify which product is more popular and what people think of it.
Did you compare to PNG crush and optipng? Those are what I used to use because they're easily installable Linux/brew packages. Source: about 1 year ago
My god running pngcrush on the 2x and 3x files takes ages. I run the thing overnight because it takes hours. Source: over 1 year ago
I've always just used this (it's more old school but def solid): https://pmt.sourceforge.io/pngcrush/. - Source: Hacker News / about 3 years ago
ImageOptim - Faster web pages and apps.
Ximagic Quantizer - Ximagic Quantizer Toolbox with 10 color reduction filters (uniform, popularity, octree, median, wu, dennis lee, binary split, neuquant and scolorq) and 11 dithering filters error diffusion:(floyd-steinberg, fan, jarvis, stucki, sierra3, sierra2, sie…
PNGGauntlet - -Combines PNGOUT, OptiPNG, and DeflOpt to create the smallest PNGs
jStrip - jStrip is a free tool to reduce the file size of JPEG images without sacrificing image quality.
TruePNG - Command-line PNG optimizer.
Caesium Image Compressor - Compress your pictures up to 90% without visible quality loss.