Apps similar to Kraken Web Optimizer include Dinky, which is free and open source. Other options are ImageOptim, TinyFast, OptiImage and RasterFox. There's no shortage of Image Optimizers like Kraken Web Optimizer, with more than 50 alternatives for Mac, Windows, the web, Linux and Android.
A powerful photo resizer and optimizer for Mac, allows you to optimize all your photos by 80% ~ 20% comparing to their originals while keeping their original resolution, quality.
China
Compressor.io is a powerful online tool for reducing drastically the size of your images and photos whilst maintaining a high quality with almost no difference before and after compression.
France
EU
Crunch - Insane(ly slow but wicked good) PNG image optimization. It combines selective bit depth, color type, and color palette reduction with zopfli DEFLATE compression algorithm encoding using embedded versions of the pngquant and zopflipng PNG optimization tools.
WP Smush strips hidden, bulky information from your images, reducing the file size without losing quality. The faster your WordPress site loads, the more Google, Bing, Yahoo and other search engines will like it.
Australia
PictureBeaver is a WSH script for batch optimization PNG/JPEG/GIF images using optipng/jpegtran/gifsicle utilities.
WinLep is a software that compresses JPG images to LEP saving 22%. WinLep compresses JPEG and decompresses LEP, moreover it can display JPEG and LEP compressed files.
Optimize pictures without quality lossless. With Black Bird Image Optimize - you can reduce the size of your photos several times without quality loss!.
Ukraine
Smaller Images, Faster Sites, Happier Visitors. Comprehensive image optimization that doesn't require a degree in rocket science.
Modernize your WordPress media library with high-performance WebP/AVIF conversion, AI-powered auto-tagging, and zero-load cloud optimization.
Canada
IMAGEmini, a powerful photo resizer and optimizer, allows you to optimize all your photos by 80% ~ 20% comparing to their originals while keeping their original resolution, quality and png, jpg, gif formats.
China
Compress Tool provides Free Online Web and Image Tools for JPG, JPEG, PNG, GIF, BMP, ICO, HEIC and WEBP! It supports all image formats for Compression and Converters!.
