Alternatives to ImageOptim
Compresses images on macOS and strips their metadata. The listings below can replace it for an important use case. Each note says what changes if you switch.
The original
ImageOptim
Compresses images on macOS and strips their metadata.
Replacements
Listings that take over the same core job as ImageOptim.
Caesium Image Compressor
Batch compresses JPEG, PNG and WebP images, often cutting file size dramatically with no visible quality loss.
Caesium Image Compressor runs on Windows, macOS and the browser, resizes while compressing and shows before and after sizes, but handles only JPEG, PNG and WebP.
oxipng
Reduce PNG file sizes with a lossless command-line optimizer.
oxipng is an MIT-licensed lossless command-line optimizer for all major platforms, but it handles PNG files only and has no graphical interface.
Similar software
Related functionality, not a direct replacement.
ExifTool
Reads, writes and edits metadata in almost every image, audio and video format there is, and is the reference tool for the job.
ImageMagick
A command-line image toolkit that creates, edits, converts and composes images across more than 200 formats.
