When comparing JPEG Mini - Compressor vs WEBP - Format, the Slant community recommends WEBP - Format for most people. In the question“What are the best alternatives and lossless compressors for JPEG?” WEBP - Format is ranked 1st while JPEG Mini - Compressor is ranked 3rd. The most important reason people chose WEBP - Format is:
Images saved in the WebP format have roughly the same quality as a JPEG image at about half the size.
Specs
Ranked in these QuestionsQuestion Ranking
Pros
Pro Quality
Even though the file size is reduced heavily, the quality of the image is retained
Pro Time
It applies the compression real quick
Pro File size
Reduces file sizes of JPEG up to 6 times based on the dimension of the image
Pro Same quality for about half the size
Images saved in the WebP format have roughly the same quality as a JPEG image at about half the size.
Cons
Con License
It is not open source
Con Garbage format
Ultra compression algorithm destroys any traces of quality...is another google emanation...is not a copy of an image not even a preview or thumb is just a luke-like representation of the original image...destroys color profile and outlines look horrible... avoid this if you have respect for quality.
Con Not widely supported
Only has native support in Chrome and Opera.