Pixlr X is a free online photo editor with many advanced features that puts many free desktop applications to shame.

Photopea is an online image editor designed to work with bitmap and vector graphics.

If you don’t need the multiple features of, say, Photoshop, and Instagram is too poor and boring for templates, then the online photo editor Fotor may be just right for you.

Krita is a graphics editor that offers great functionality for drawing and processing bitmap images.