Tinybeest is described as 'A Mac app and Chrome extension that optimizes/compresses images and PDFs. Tinybeest also converts file formats and resizes images for the web' and is an app in the Photos & Graphics category. There are more than 50 alternatives to Tinybeest for a variety of platforms, including Windows, Mac, Online / Web-based, Linux and Wordpress. The best alternative is ImageMagick, which is both free and Open Source. Other great apps like Tinybeest are Caesium Image Compressor (Free, Open Source), RIOT - Radical Image Optimization Tool (Free), FileOptimizer (Free, Open Source) and ImageOptim (Free Personal, Open Source).
Experimental, fast Web PNG/JPG optimizer which offer lossless, visually lossless or lossy compression. it performs image reductions over iterations thanks to recursive multi-processing and multithreading systems.
Gifsicle is a command-line tool for creating, editing, and getting information about GIF images and animations. Making a GIF animation with gifsicle is easy. Some more gifsicle features: Batch mode for changing GIFs in place.
OptiPNG is a command-line PNG optimizer that recompresses image files to a smaller size, without losing any information. This program also converts external formats (BMP, GIF, PNM and TIFF) to optimized PNG, and performs PNG integrity checks and corrections.
PngOptimizer compresses graphics files and removes extra, unnecessary data without affecting quality. It will update PNG files or converting BMP, GIF or TGA files to the PNG format using simple drag-and-drop.
PhotoBulk is easy-to-use bulk image editor that lets you add text/image watermark, resize, and optimize hundreds and thousands of images or photos in just one click. Just drag and drop your images onto the app, choose desired actions and press start button. Voila!
ImageAlpha is a GUI for pngnq and pngquant. It allows you to easily generate paletted PNG images with full alpha channel. These images are usually 40-60% smaller than 24-bit PNG, and still can have semitransparent colors.