PhotoPenguin App - PhotoPenguin is a completely free batch photo editor with support for cropping, resizing, adding watermarks, and converting photos to other formats. It works on the user's device, using the capabilities of modern browsers.
Shrink Me - Compress images with one drag / click
Batch Image Resizer - Resize, crop, shrink, flip, exif-rotate, convert, enhance, process multiple pictures and photos with professional software! 120+ Actions, 30+ Image Formats
Watermark.ink - Online Photo Watermarker
ImBatch - ImBatch is a batch image processor with a nice graphical user interface.
TinyVid by Kamua - Trim and compress video files to fit any size limitation