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JPEG ArchiveImageOptim
Free

Free and open source under the MIT license.

 Free

Free and open source under the GPL.

Command line macOS
  • Includes tools for JPEG recompression and duplicate detection
  • Can process files in parallel
  • Runs several optimisers and keeps whichever result is smallest
  • Removes GPS and EXIF data as part of optimising
  • Recompression is lossy
  • The archive script depends on several external tools
  • macOS only
  • Optimisation is in place, so originals should be kept separately
Downloadable app Downloadable app
Open source Open source
License: MIT License: GPL-2.0
Not stated if an account is needed Not stated if an account is needed
Not stated if it works offline Not stated if it works offline

Checked October 8, 2026

Checked September 22, 2026

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