jpeg-encoder

Perceptual JPEG encoder

Improved JPEG encoder.

jpegoptim - utility to optimize/compress JPEG files

Research JPEG encoder

JPEG encoder/decoder written in Python

A JPEG encoder in a single C++ file

A super simple Mac GUI for Google's JPEG encoder, guetzli

Guetzli perceptual JPEG encoder for Go (Zero Dependencies).

LibJpeg.Net allows you to read and create JPEG images in .NET compatible languages. It's the managed version of original libjpeg library developed by Tom Lane and the Independent JPEG Group (IJG).

Demo from Chrome Dev Summit of using Web Assembly to optimize images in a browser

Python bindings for Google's Guetzli, a JPEG encoder that optimises JPEG compression

Guetzli for NodeJS/Browser

Guetzling is a simple script for macOS and Linux written in Bash, to automate (recursively finding files) the compression of jpegs using the Guetzli algorithm.

Optimize any image by chroma subsampling and optimized huffman coding in Python.

A Python program that compresses raw images based on the JPEG compression algorithm.

Batch Guetzli compressions in a manageable fashion

JPEG encoder written in Rust

Qt image plugin for Google's optimised JPEG encoder named "guetzli".

JPEG decoder & encoder

Guetzli on android.