IrfanView
IrfanView is simply a graphic viewer with multiple supported file formats.
- How to screen capture and crop in a single step (click here).
- How to batch process file sizes of many images (click here). updated v 4.35
ANY VIDEO CONVERTER
This converter will convert and compress videos to mp4 or mp3 (sound). Very useful when videos are larger than the file size allowed for uploading to any website, classblog, student blogfolio.