PictureBeaver is described as 'WSH script for batch optimization PNG/JPEG/GIF images using optipng/jpegtran/gifsicle utilities' and is an app in the Photos & Graphics category. There are more than 25 alternatives to PictureBeaver for a variety of platforms, including Windows, Online / Web-based, Mac, Wordpress and Linux. The best alternative is Caesium Image Compressor, which is both free and Open Source. Other great apps like PictureBeaver are RIOT - Radical Image Optimization Tool (Free), XnConvert (Free Personal), FastStone Photo Resizer (Free Personal) and TinyPNG (Freemium).
Caesium Image Compressor lets you compress your pictures up to 90% without visible quality loss. Providing a simple yet effective interface with a real-time preview and multiple image processing at the same time, everyone will be able to reach the best result.
Saving images for web/email/other media with the best compression ratio and quality is a difficult task if you don’t have the right tools. Choosing the right format then choosing the right parameters are the key factors of smaller files.
XnConvert is an easy image converter for graphic files, photos and images available on Windows, MacOSX and Linux. It supports more than 400 file formats (jpeg, tiff, png, gif, camera raw, jpeg2000, WebP, OpenEXR, ...).
Convert and Rename images in batch mode Support JPEG, BMP, GIF, PNG, TIFF and JPEG2000 Resize, crop, change color depth, apply color effects, add text, watermark and border effects Rename images with sequential number Search and replace texts in the file names...
TinyPNG uses smart lossy compression techniques to reduce the file size of your PNG files. By selectively decreasing the number of colours in the image, fewer bytes are required to store the data. The effect is nearly invisible but it makes a very large difference in file size!