1. Command-line PNG optimizer.

  2. PhotoBulk is a bulk image editor for Mac that was created for the best experience of batch editing. With this image editing software for macOS you can add watermarks, optimize and resize pictures, convert images or rename photos in bulk.

  3. PngOptimizer compresses graphics files and removes extra, unnecessary data without affecting...

  4. Imaging is a Collection of Image Related Tools (Image Viewer, Image Converter, Image Resizer, Image...

  5. Pngcrush is an optimizer for PNG (Portable Network Graphics) files.

  6. Crunch is an OS X tool for PNG image file optimization.

  7. Optimize pictures without quality lossless.

  8. Advanced image optimization tool

  9. Resize image software

  10. Play MAME on your TV Arcade Monitor or Fixed Frequency Monitor

  11. A Mac app and Chrome extension that optimizes/compresses images and PDFs.

  12. iLoveIMG is one of most powerful solution that comes with all the major tool you cloud want to edit images in bulk.