1
EWWW Image Optimizer Partial
Free is lossless with adjustable JPG/WebP quality; premium levels need a paid plan.
94feature score
WordPress Image Optimization Plugins with Lossy & lossless compression
Choose between lossless and one or more lossy compression levels. 7 of the 8 plugins we track include it.
2
Smush Included
Lossless and lossy Super levels free (Super needs Hub connection); Ultra level is Pro.
92feature score
3
ShortPixel Image Optimizer Included
Choose lossy, glossy or lossless compression.
90feature score
4
Optimole Partial
Auto (ML) plus High, Medium and Low quality presets; all lossy, no lossless mode.
77feature score
5
Converter for Media Partial
Quality presets from 75% to 95% (lossy); no lossless mode.
74feature score
6
Imagify Included
Smart Compression by default with an optional lossless mode.
69feature score
7
Image Optimizer by Elementor Included
Two levels: lossless or lossy.
59feature score