The list of free online tools I use on a daily basis:
https://www.photopea.com/
A powerful, browser-based alternative to Photoshop that I use for editing photos.
https://www.photogrid.app/en/image-enhancer/
Great for improving image quality and doing quick, light retouching on faces.
https://squoosh.app/
My go-to tool for compressing images without noticeable quality loss. It supports all major file formats.
