Kraken – Fast & Online Image Optimizer

Minimizing the size of images is an important part of the process for creating faster loading web pages.

We usually play with various variables while saving images to make sure they are optimized like the colors used, file type or quality but there can still be some bytes hidden.

Kraken, a free to use web application, finds those bytes and optimizes the images with a user-friendly interface.

Kraken.io

It has support for adding multiple images (up to 20, max 1mb each) via drag 'n' drops, selecting from disk or getting from a URL and quickly uploads + optimizes them.

P.S. The application accepts .JPEG and .PNG files

  • Giles Marshall

    Hmm …

    Does what SmushIt does through Firebug without the useful interface and seems to be worse at compressing .png

    I am going to stick with Firebug addon.

  • Pon

    @Giles Marshall:
    You are so wrong. As I can see, Kraken.io beats smush.it in terms of optimization level as well as time needed for optimization for EVERY single png image.

    I am going to choose Kraken.io :]

  • Serg

    http://compresspng.com beats both smush.it and kraken.io

    Logo of this site: logo-small-trans.png – 14585 bytes

    smush.it – 12747 bytes
    kracken.io – 12371 bytes
    kracken.io, indexed – 7396 bytes
    compresspng.com, indexed – 7031 bytes

    But compresspng.com allows to reduce the number of colors manually. For that image 32 is more than enough.

    compresspng.com, indexed, 32 colors – 2987 bytes
    No visible difference.

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