1. CSS3 Generator
My favorite, the CSS3 generator will allow you to create virtually every CSS3 feature out there (box shadow, box radius, text shadow, font-face, transitions, selectors and gradients) it is pretty much the only one you need!
2. CSS Button Generator
Making sweet CSS3 buttons just got easier. Add gradients, shadows and rounded corners.
3. CSS Compressor
This is a must for anyone looking to speed up their site a bit. Just copy and paste your CSS into the form and it will compress it for you – copy and paste back into you stylesheet.
4. CSS Gradient Generator
The CSS Gradient Generator allows you to create awesome CSS-based gradients in a Photoshop-like way and it spits out the code so you can just copy and paste it.
5. CSS Border Radius
Creating rounded corners with CSS is pretty easy when you are doing all the corners the same size, however, if you only want 2 rounded corners or if you want some to be different sizes it gets a bit more complicated and annoying. That is why they created the css border-radius generator for lazy people.
6. Grid Generator
There are many of them out there, but I like this one due to the simplicity. It will help you set up grids/columns.
7. @Font-Face Kit Generator
This is a really cool one from font squirrel that will allow you to upload fonts and it converts them and gives you the CSS to help you implement the fonts on your sites.
8. Border Image
Creating a border image can be a real pain – I have always done it using a background image for a parent div and then setting a padding on the child div – however, you can also do it straight up with CSS. This Border image generator allows you to upload the image you want to use and set the offsets for the various sides.
9. CSS3 Maker
Another good CSS3 Maker that does a lot of the various CSS3 features – shadows, fonts, gradients…etc.
10. Style Master CSS Editor
A CSS3 generator that is good for creating CSS shadows.
Source:aoclarkejr.com