Best image compressors and optimizers
Tools that shrink JPEG, PNG, WebP and other image files for the web or storage, by recompressing them and stripping metadata.
3 apps, ordered by visits from AppBreakup and how often our research lists each one as an alternative. Open any app to see its alternatives.
All image compressors and optimizers
- Alternatives to ImageOptim
Free open-source Mac app that shrinks image files and strips private metadata with drag and drop.
Open sourcemacOS - Alternatives to Caesium Image Compressor
Free open-source desktop app for batch-compressing JPEG, PNG, WebP and TIFF images with a live preview.
Open sourceWindows, macOS, Web - Alternatives to Clop
Mac utility that automatically shrinks images, videos, PDFs and audio as you copy or save them.
Free plan + paidmacOS
Our picks by need
Best for most people
ImageOptimBest for a free option
Caesium Image CompressorBest for open source
ImageOptimBest for Mac
ClopBest for Windows
Caesium Image CompressorCommon questions
What are the best image compressors and optimizers?
Based on how often our research lists them as alternatives and visits from AppBreakup, the leading image compressors and optimizers right now are ImageOptim, Caesium Image Compressor and Clop.
Are there free image compressors and optimizers?
Yes. ImageOptim (open source), Caesium Image Compressor (open source) and Clop (free plan + paid) have a free option, out of 3 free or freemium apps we track.
Which image compressors and optimizers are open source?
ImageOptim and Caesium Image Compressor.