MozJPEG vs Guetzli

Struggling to choose between MozJPEG and Guetzli? Both products offer unique advantages, making it a tough decision.

MozJPEG is a Photos & Graphics solution with tags like jpeg, optimization, compression, image-processing.

It boasts features such as Lossy compression algorithm optimized for web images, 10-15% smaller JPEG file sizes compared to libjpeg, Faster compression speeds, Compatible with standard JPEG decoders, Open source codebase and pros including Reduces bandwidth usage and speeds up website load times, Works with existing JPEG images and workflows, Actively maintained and improved by Mozilla, Free and open source.

On the other hand, Guetzli is a Photos & Graphics product tagged with jpeg, encoder, compression, google, image-quality.

Its standout features include Perceptual image quality optimization, Psychovisual optimization, Butteraugli psychovisual scoring, Open source, Command line interface, and it shines with pros like Produces smaller JPEG file sizes, Maintains visual quality, Free and open source, Easy to use command line interface.

To help you make an informed decision, we've compiled a comprehensive comparison of these two products, delving into their features, pros, cons, pricing, and more. Get ready to explore the nuances that set them apart and determine which one is the perfect fit for your requirements.

MozJPEG

MozJPEG

MozJPEG is an image compression tool that optimizes JPEG files with improved compression ratios while maintaining compatibility with standard JPEG decoders. It is useful for reducing image file sizes for websites.

Categories:
jpeg optimization compression image-processing

MozJPEG Features

  1. Lossy compression algorithm optimized for web images
  2. 10-15% smaller JPEG file sizes compared to libjpeg
  3. Faster compression speeds
  4. Compatible with standard JPEG decoders
  5. Open source codebase

Pricing

  • Open Source

Pros

Reduces bandwidth usage and speeds up website load times

Works with existing JPEG images and workflows

Actively maintained and improved by Mozilla

Free and open source

Cons

Lossy compression leads to some loss of image quality

Requires re-compressing existing JPEG images

Limited to JPEG image format only


Guetzli

Guetzli

Guetzli is an open source JPEG encoder created by Google. It is designed to produce JPEG images with file sizes 20-30% smaller than other encoders while maintaining the same visual quality.

Categories:
jpeg encoder compression google image-quality

Guetzli Features

  1. Perceptual image quality optimization
  2. Psychovisual optimization
  3. Butteraugli psychovisual scoring
  4. Open source
  5. Command line interface

Pricing

  • Open Source

Pros

Produces smaller JPEG file sizes

Maintains visual quality

Free and open source

Easy to use command line interface

Cons

Slower encoding time

Only supports JPEG format

Limited to command line usage