PicMonkey is a free online photo editing and collage making tool. It allows users to edit photos by applying effects, filters, text, frames and more without needing to download any software. To edit a photo, users select a photo and then can choose from various editing features represented by icons. For collages, users upload photos and drag them into a layout, choosing from different styles. Edited photos and collages can be saved without changing the file name to avoid duplicates.