Photopea is a web application that allows you to open and edit files of various types, including the famous PSD, respecting the layers to make editing similar to that conducted the program from Adobe.
You can copy images and paste them into a new layer in a PSD file, save your changes without losing formatting or export the results to web mode, thus maintaining many of the features included in Photoshop, but not all.
Many users have already begun to create tutorials and tricks for this platform, some of which already have videos that are usually published in @photopeacom .
We are not talking about any extremely popular application, but it is a resource that can greatly help users who do not have Photoshop at hand, a capable web application to read and follow the information layers, apply filters, change sizes and many other options.
Visit the Website Photopea