guetzli

JPEG image compression utility. More information: https://github.com/google/guetzli.

• Compress a JPEG image:
  guetzli {{input.jpg}} {{output.jpg}}
• Create a compressed JPEG from a PNG:
  guetzli {{input.png}} {{output.jpg}}
• Compress a JPEG with the desired visual quality (84-100):
  guetzli --quality {{quality_value}} {{input.jpg}} {{output.jpg}}