PhotoMill X 1.6.2 | macOS | 57 mb
PhotoMill helps you convert a bulk of images into the most popular image formats, give your files meaningful names, watermark with text and image, adjust photos (brightness/saturation/exposure/grayscale/etc.), fit geometry (scale/crop/trim/etc.), remove private metadata, add your own copyrights etc. Also, PhotoMill is a great batch metadata editor, renamer and photo browser.