How To Install Mozjpeg 2.0, Improved JPEG Encoding Library.

@abhishek-fg9tRh • Oct 26, 2024

Oct 26, 2024

2.2K

Recently Mozilla announced its JPEG encoding library with following improvements as quoted from Mozilla blog itself

The major feature in this release is trellis quantization, which improves compression for both baseline and progressive JPEGs without sacrificing anything in terms of compatibility. Previous versions of mozjpeg only improved compression for progressive JPEGs.

Other improvements include:

The cjpeg utility now supports JPEG input in order to simplify re-compression workflows.

Weâ€™ve added options to specifically tune for PSNR, PSNR-HVS-M, SSIM, and MS-SSIM metrics.

We now generate a single DC scan by default in order to be compatible with decoders that canâ€™t handle arbitrary DC scans.

For more detail, read : #-Link-Snipped-#

How To Install ?

- Download source code from <a href="https://github.com/mozilla/mozjpeg/releases/tag/v2.0" target="_blank" rel="nofollow noopener noreferrer">Release mozjpeg v2.0 · mozilla/mozjpeg · GitHub</a>
- Extract it
- Install required libs i.e autoconf, automake, make, nasm & libtool

Now let's build :
- cd mozjpeg-2.0
- autoreconf -fiv
- mkdir build
- cd build
- sh ../configure
- sudo make install

- Once completed, the libraries will be installed in /opt/libmozjpeg

For usage read MAN pages from : /opt/libmozjpeg/man

You can use jpegtran located under /opt/libmozjpeg/bin to compress the image.

This is for Linux users, for OS X & Windows users you can compile from source on your own & post the steps in the comment below.

How To Install Mozjpeg 2.0, Improved JPEG Encoding Library.

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