ImageOptim
Shrink images without quality loss
Subscription-free alternative to TinyPNG, ImageAlpha.
ImageOptim shrinks image files without a visible difference: it strips unnecessary metadata and colour profiles and compresses PNG, JPEG and GIF with the best available algorithms — losslessly or, if you want, deliberately lossy.
Just drag images onto the window; the optimised files replace the originals. The result: smaller downloads, faster websites, less disk space — at the same visual quality.
ImageOptim is open source and free, a long-time staple for web developers and anyone preparing images for the web.
Why no subscription? Optimising images is a one-off action per file, not an ongoing service. You don’t pay for that every month.
Keywords: image compression · optimize PNG · shrink JPEG · reduce image size · free · open source · no subscription · subscription-free
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