18 of the Best Freeware Photoshop Plugins That Actually Work

Stereogram Lab Filter

Remember those stereogram pictures you used to look at when you were a kid? This plugin will turn your photos into stereograms automatically. It’s also a useful tool to create seamless photo textures! Unfortunately, we weren’t able to test this plugin because it only works in the 32-bit version of Windows.

Mosaic

Photoshop has a few mosaic filters but if you’re looking for a different one with more flexibility, Mosaic is what you’re looking for. You can generate square, hexagon, and octagon mosaics with more adjustable settings than the ones in Photoshop. The interface looks a little dated and installation requires entering your name & email for a serial number (even though it’s a free plugin, it’s required). If you keep the effects simple, you can create some great looking mosaics.

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CSS3Ps

If you’re a web designer and you don’t have this plugin, download it now! CSS3Ps turns your layer styles into CSS styles and the results are amazing. It can generate shadows, gradients with transparencies, and more. This plugin will speed up your coding time and works better than the new “Copy CSS” feature in Photoshop CS6.1. Installing is through Adobe Extension Manager and to use it, you go to Window > Extensions > CSS3Ps. Select the layers that you want to generate the CSS code for then click on the CSS3Ps logo in the CSS3Ps panel. It will open your browser to their website that will generate the website for you. The downside to this compared to Adobe’s version is that you have to wait around 15-20 seconds before you get your code – but that’s worth it for the better results.

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GuideGuide

If you want to create grids based on a grid-system, it can be a lot of work. Thankfully there’s GuideGuide that solves this problem. Create your own guides using your own measurements and save/load them for later use. Installation is done through Adobe Extension Manager.

Cut&Slice me

As you may know, Photoshop’s slicing system isn’t the easiest to use. Here’s where Cut&Slice me comes in; organize your layers in the way it tells you to then export them all by clicking a button. Designing mobile apps? Cut&Slice me even lets you export at different resolutions for the never ending list of mobile screen resolutions. This plug-in will save you lots of time that you can spend on more valuable tasks – such as eating cookies. This extension is easily installed through Adobe Extension Manager.

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SuperPNG

Are you all about optimization? SuperPNG can save smaller PNG files and gives you extra options such as using your alpha channel as its transparency, ICC profile embedding, and metadata saving.

ICO (Windows Icon) Format

Creating favicons compatible with Internet Explorer is a 2-step process; save the image as JPG/GIF/PNG image then use one of the many websites that converts your image into a favicon. With this plugin, you no longer have to do that because you can save your image directly as an ico file.