XnConvert
Caesium Image Compressor
DVDVideoSoft Image Convert and Resize
ImBatch
FastStone Photo Resizer
Ralpha Image Resizer
Phatch
Fotosizer
OptiPNG
ImageOptim
pngquant
TinyPNG
JPEG Resampler
TruePNG
pngcrush
PNGGauntlet
XnConvert OptiPNGBased on our record, OptiPNG seems to be more popular. It has been mentiond 2 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
Assuming your frames are PNG files, you could use a lossless optimizer like optipng to try if their size can be reduced. I prefer oxipng, which is faster and multithreaded, and seems to have more active development. Source: over 2 years ago
Caesium Image Compressor - Compress your pictures up to 90% without visible quality loss.
ImageOptim - Faster web pages and apps.
DVDVideoSoft Image Convert and Resize - Free Image Convert and Resize is a compact yet powerful program for batch mode image processing.
pngquant - command-line utility and library for lossy compression of PNG images
ImBatch - ImBatch is a batch image processor with a nice graphical user interface.
TinyPNG - Make your website faster and save bandwidth. TinyPNG optimizes your PNG images by 50-80% while preserving full transparency!
