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mozjpeg for Mac

Improved JPEG encoder

Quick answer: mozjpeg is a command-line tool for macOS. Install it with brew install mozjpeg. It is distributed under the IJG AND Zlib AND BSD-3-Clause licence. It has 243 Homebrew installs in the last 30 days.

What mozjpeg is

mozjpeg is a command-line tool for macOS: improved JPEG encoder.

It is distributed as a Homebrew formula, which builds or pours a binary and puts it on your PATH. The project is open source and lives at https://github.com/mozilla/mozjpeg.

How to install mozjpeg

  1. Open Terminal (press ⌘ + Space and type “Terminal”).
  2. If Homebrew is not installed yet, run the installer below once.
  3. Run brew install mozjpeg.

Homebrew installer, if you need it:

Prefer a graphical installer? Download it from the official site. MacPicks never hosts or mirrors binaries — the Homebrew command always pulls from the vendor's own release.

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Frequently asked questions

How do I install mozjpeg on Mac?

Run brew install mozjpeg in Terminal. This requires Homebrew; if you do not have it, install it first with the command below.

Is mozjpeg open source?

Yes — Homebrew distributes it under the IJG AND Zlib AND BSD-3-Clause licence.

Does mozjpeg run on Apple silicon?

Homebrew publishes this formula for macOS. If upstream does not ship an Apple silicon build, Rosetta 2 handles the Intel binary.

How popular is mozjpeg?

It was installed 243 times in the last 30 days according to Homebrew analytics, ranking #2269 in this catalogue.

What version of mozjpeg is current?

The latest packaged version is 4.1.5.