A tool for online font comparison, You can intuitively see the differences between different fonts
Pform
A tool for creating html forms allows you to instantly create beautiful forms and output HTML code.
Colourlovers
With online color palette tools, you can find many color schemes or submit your color schemes.
Firebug
The omnipotent firebug is not introduced much.
HTML Entity character Lookup
HTML Object Query Tool
960 Grid System
960 is a magic number, 960 is a horizontal size, 960 grid system is an auxiliary system that allows designers to quickly create web page prototypes. It can be compared to the Golden line of a webpage.
Em Calculator
Em calculator ~ You can convert pixels into Em units.
Browser shots
The multi-browser screenshot tool provides the page screenshot effects of different browsers on multiple platforms.
Icon Finder
Are you still worried about looking for icons? It's a good image search tool.
Whatthefont
When you see a nice text in your image without knowing the font name, you can use it to analyze the font type.
Measureit
Firefox Plugin, which displays a ruler on the page
Colorzilla
It is also a Firefox plug-in, which can be colored on the page. It is essential for front-end development.
Pingdom
An online packet capture tool
Test everything
Test everything provides many test tools to test your site. From css html to Seo, from Network Tools to optimization.
CSS sprite Generator
Style genie. There are many such tools, that is, splitting images and outputting them into CSS
Web Developer Toolbar
It is also a very powerful web development tool.
Domainr
The domain name query tool queries the usage of domain names and provides suggestions for unregistered domain names. (Wall flip required)
Font Burner
The font query tool provides an online font solution. Only in English.
Smush. it
Image optimization tool to optimize your image size
Load impact
Users in different regions can access your site. And report the results in the form of charts.