ImageOptim

ImageOptim sits in our Photo & Image category and is installable desktop or mobile software. Mac app that losslessly shrinks PNGs, JPEGs, and GIFs for the web. On SoftwareToolApps we score tools for real-world usefulness for US and UK users—not press-release checklists—so you can decide quickly whether it belongs in your stack.

Compatibility covers macOS. Pricing is listed as Free: free tools suit experimentation and light use; freemium products usually unlock sync, team seats, or advanced filters behind a subscription; paid tools target professionals who need support, warranties, or commercial licenses. Always confirm current plan details on the official site before you buy.

Standout capabilities include Lossless, Drag & drop, Watch folder, Free. Use those as a shortlist against your workflow: if two of the four map to a weekly task, ImageOptim is worth a hands-on trial. If you only need a one-off job, prefer a free tier or a focused utility instead of a full suite.

Typical jobs people bring to ImageOptim include compress images, optimize png, web optimize. Pair it with adjacent tools from the same topic when you need a complete pipeline—for example, an editor plus a compressor, or a certificate plus a CDN.

Our catalog rating for ImageOptim is 4.7 / 5 based on editorial scoring of capability, clarity, and value. Ratings are directional: verify critical requirements (compliance, offline use, admin controls) on a test account. When a deeper lab review exists, we link it from this page; otherwise treat this fiche as the fast brief before you commit time.