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CSS Image Encoder is a handy little utility that allows you to encode your website's images into base64 code. This allows you to turbocharge your website, as the images you reference will be loaded from the base64 code and not from an external resource, which drastically increases the rendering speed. CSS Image Encoder offers the following features:
  • CSS Image Encoder supports five different file formats, including jpeg, jpeg2000, gif, png & bmp.
  • Preview encoded images right from the app in your Web browsers before exporting them.
  • CSS Image Encoder can export your base64 code as a class into a more...

What's New

Version 1.2.2:
  • User Requested Feature: Added a third export option which allows you to copy the generated CSS to your pasteboard right away.
  • Minor UI fix.


Mac OS X 10.5 or later

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CSS Image Encoder User Discussion

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Bdikkat Member IconComment+211

It's good to minimize HTTP requests, but it's only fair to remind people that base64 Data URIs aren't properly supported in IE, and then only with images up to 32kb (and in IE6 & IE7 not at all, without MHTML techniques).

It's also worth pointing out that all this can be done for free with the Base64 Online Generator:


Reply1 reply
Version 1.2.2
Writeit! Studios (Developer)

That's correct. IE does not properly support this. While your link does convert images to base64, it does not create ready-to-use CSS style sheets, nor creates CSS # blocks (for those who already have a stylesheet) that can be pasted into a CSS document automatically.

P=NP Member IconComment+57

Why don't the advertisements in this application utilize this; any particular reason why?

Reply1 reply
Version 1.2.1
Writeit! Studios (Developer)

They do. Turn off your internet connection and they will still be working. By the way, to celebrate black friday and cyber monday, this app is half price ($2!) this weekend should you be interested! :)

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Current Version (1.x)


Downloads 2,370
Version Downloads 1,009
Type Development / HTML
License Demo
Date 14 Feb 2012
Platform OS X / Intel 32
Price $3.99
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