Web Tools 
An awesome list of hosted tools for web development.
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Contents
Response
Placeholder
Favicon
- favicon-generator
- favicon.cc
- xiconeditor
- tool.lu favicon
- bitbug
- iconogen
- favicomatic
- RealFaviconGenerator
- favicon.io
CDN
- staticfile
- bootcss cdn
- cdnjs.cn
- cdnjs
- upai
- Baidu cdn
- 360 cdn
- jquery cdn
- lib.sinaapp
- jsDelivr
- statically
- pagecdn
CSS
- neumorphism css generator
- css-triangle-generator
- css3lib
- csszengarden
- css3Preview
- CSS Gradient Generator
- pleeease
- cssBeutify
- css3-tool
- css3 animation generator
- css3 maker
- css spritegen
- csssprites
- sassme
- css Should I Prefix
Image compression
JavaScript
- jsBeutify
- jsbeautifier
- jsfiddle
- jsbin
- JavaScript Garden
- SmallDev.tools - JS formatter
- Flatlogic CRUD Apps Generator
Pagespeed
Color
- nipponcolors
- flatuicolors
- Color Thief
- color-hex
- colors
- chuantongsecai
- colourco.de
- flatuicolorpicker
- krmp.cc
- Image Color Picker
- Respresso
- Branding Colors
Font
- Google Fonts
- Adobe Fonts
- dafont
- youziku
- qiuziti
- fonts2u
- webfonts
- justfont
- iconpark
- FontSquirrel
- Fontface Ninja
- Easy Fonts
- Respresso
- Brick
Forms
API Debugging
API Doc
Git Host
webpack
Code Playgrounds
- CodePen
- CodeSandbox
- Glitch
- JSFiddle
- JS BIN
- Dabblet
- CSSDeck
- Plunker
- Liveweave
- StackBlitz
- FastSitePHP
- DataFormsJS
- AnyChart Playground