AppBreakup

Clop alternatives: 2 apps ranked by verified data

Facts checked Nov 1, 2026AppBreakup editorialHow we rank

Common reasons people leave Clop: mac only, and requires macOS 14 Sonoma or later, and free version caps folder and drop-zone optimisation at 5 files per session. We ranked 2 alternatives by how directly each one replaces Clop, then by reviews, real visits and how recently each app's facts were checked against its own website. ImageOptim currently ranks first.

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Show all 2 alternatives

The best Clop alternative for…

The highest-ranked app in this list for each need.

ImageOptim logo

Best Clop alternative for most people

ImageOptim

Free, open-source Mac compressor with drag and drop and metadata stripping, without a Pro tier.

Caesium Image Compressor logo

Best Clop alternative for a free option

Caesium Image Compressor

Free open-source batch image compressor for Mac and Windows with no file limits.

ImageOptim logo

Best Clop alternative for open source

ImageOptim

Free, open-source Mac compressor with drag and drop and metadata stripping, without a Pro tier.

ImageOptim logo

Best Clop alternative for Mac

ImageOptim

Free, open-source Mac compressor with drag and drop and metadata stripping, without a Pro tier.

Caesium Image Compressor logo

Best Clop alternative for Windows

Caesium Image Compressor

Free open-source batch image compressor for Mac and Windows with no file limits.

Caesium Image Compressor logo

Best Clop alternative for working in the browser

Caesium Image Compressor

Free open-source batch image compressor for Mac and Windows with no file limits.

Clop alternatives: common questions

What is the best alternative to Clop?

ImageOptim ranks first right now. Free, open-source Mac compressor with drag and drop and metadata stripping, without a Pro tier.

Is there a free alternative to Clop?

Yes. ImageOptim (open source) and Caesium Image Compressor (open source) have a free option. Check each app's verified facts for current plan limits.

Is there an open-source alternative to Clop?

Yes: ImageOptim and Caesium Image Compressor.

Why do people switch from Clop?

The complaints we hear most: mac only, and requires macOS 14 Sonoma or later; free version caps folder and drop-zone optimisation at 5 files per session; closed source, unlike ImageOptim or Caesium.

How is this list ranked?

Every app is scored with the same published formula: how directly it replaces Clop, reviews (weighted by verification), visits from AppBreakup, how recently its facts were checked against its own website, and reader votes.