Alternatives to Kraken Web Optimizer

  • ImageOptim

    ImageOptim is excellent for publishing images on the web (easily shrinks images “Saved for Web” in Photoshop). It's useful for making Mac and iPhone/iPad applications smaller (if you configure Xcode to allow better optimization). ImageOptim removes …

    Open Source Free Mac

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  • RIOT - Radical Image Optimization Tool

    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. Previewing …

    Free IrfanView XnView GIMP Windows

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  • pngquant

    pngquant is a command-line utility and a library for lossy compression of PNG images. The conversion reduces file sizes significantly (often as much as 70%) and preserves full alpha transparency. Generated images are compatible with all modern web b…

    Open Source Free Linux Mac Windows

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  • TinyPNG

    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 l…

    Free Web-Based

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  • JPEGmini

    JPEGmini is a patent-pending photo recompression technology, which significantly reduces the size of photographs without affecting their perceptual quality. The technology works in the domain of baseline JPEG, resulting in files that are fully compa…

    Commercial Mac Windows

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  • WP Smush

    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.

    Freemium Wordpress Web-Based

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  • Optimage

    Optimage is an advanced image optimization tool to automatically reduce file size of your images and documents by up to 90% without losing quality. It uses novel technology to achieve proven highest compression density and visual quality, and also s…

    Freemium Mac

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  • Optimizilla

    The ultimate image optimization tool to compress your images in JPEG and PNG formats for sharing and posting on web pages. Upload up to 20 files in JPEG and PNG formats. Click thumbnails in the queue to select images. Use the slider to control the c…

    Free Web-Based

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  • offers lossless compression of images available with a WordPress plugin and via API. Benefits: - The file size will be reduced but the image quality remains the same- Bulk optimization- Conversion also to WebP available

    Freemium Wordpress Web-Based icon
  • PictureBeaver

    PictureBeaver is a WSH script for batch optimization PNG/JPEG/GIF images using optipng/jpegtran/gifsicle utilities.

    Open Source Free GitHub Windows

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  • Imagify

    Speed up your website by reducing the size of your images without losing quality. FEATURES OPTIMIZE YOUR JPGS, PNGS & GIFS - Imagify compresses the most common image formats.- For free accounts the max upload size of any one image is 5MB. There …

    Freemium Wordpress Web-Based

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  • Photo Size Optimizer

    Photo Size Optimizer for Mac: - One-click photo size optimization on Mac OS X.- Easy management: When a folder dragged into the application, Photo Size Optimizer for Mac will work on it immediately.- Support 70 types of image formats:JPG, BMP, PNG, …

    Freemium Mac

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  • 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.

    Freemium Web-Based icon
  • FILEminimizer Pictures

    FILEminimizer Pictures from balesio compresses digital images and photos with file size reductions by up to 98%. For example, a JPEG photo with a size of 5 MB can be reduced to only 0.08 MB. The software features an innovative image optimization tec…

    Free Windows

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  • Shrink O'Matic

    Shrink O'Matic is an AIR application to easily (batch) resize (shrink) images. It handles JPGs, GIFs and PNGs.

    Free Mac Windows

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  • Black Bird Image Optimizer

    Optimize pictures without quality lossless. With Black Bird Image Optimize - you can reduce the size of your photos several times without quality loss!We use a completely new color quantization algorithms which are capable of lossless quality reduce…

    Freemium Windows

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  • Tinybeest

    A Mac app and Chrome extension that optimizes/compresses images and PDFs. Tinybeest also converts file formats and resizes images for the web.

    Freemium Mac Web-Based

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  • OptiMole

    Optimole is your all-in-one image optimization solution for WordPress & beyond, it processes your images in real time and is fully cloud-based (doesn’t strain your server). Optimole goes a lot further than any other tool in the market: Optimole …

    Freemium Open Source Web-Based

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  • Lossless Photo Squeezer 1.70

    Lossless Photo Squeezer for Mac is a professional image size compressor which will reduce your PNG, JPEG and GIF photos and images size with LOSSLESS quality. You can optimize all your photos to save much hard drive space, web space and share full-r…

    Freemium Mac

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  • IMAGEmini

    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. With IMAGEmini, you can save huge space a…

    Commercial Mac

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