A free, web-based editor that works almost exactly like Photoshop/Affinity and requires no download or installation.
The current official version is much more stable and feature-rich. Serif (the developer) often offers a 30-day free trial. Download APho2021Portable dion73 rar
If you just need a powerful photo editor and can't find that specific archive, you might consider: A free, web-based editor that works almost exactly