【将长网址转成短网址】
w8c短网址：http://www.w8c.com/
新浪微博短网址：http://sina.lt/
百度短网址：https://dwz.cn/#/?_k=jxmpjw
网址缩短：http://suo.im/
短网址：https://www.urlc.cn/
微信公众号短网址url.cnAPI接入点：https://www.showapi.com/api/view/1311/1
【文件素材】
WebM, Ogg, MP4 Video Files：http://techslides.com/sample-webm-ogg-and-mp4-video-files-for-html5
【小火箭网络加速器VPN】
shadowsocks 官网：https://github.com/shadowsocks
shadowsocks win版本：https://github.com/shadowsocks/shadowsocks-windows/releases
shadowsocksr 升级版：https://github.com/shadowsocksr-backup
shadowsocksr win版本：https://github.com/shadowsocksr-backup/shadowsocksr-csharp/releases
【图片编辑】
在线PS工具：https://viliusle.github.io/miniPaint/
PNG 图片转ico图标：https://convertico.com/
常用的图片编辑：
https://pinetools.com/
MATHEMATICS Tools for common mathematical tasks
----Calculator
----Area calculator
----Percentage calculator
----Single rule of three direct
----Single rule of three inverse
COLORS Color picker, tools for modifying or generating colors
----Lighten color
----Darken color
----Change color saturation
----Greyscale/desaturate a color
----Invert a color
TEXT AND LISTS Work with lists and texts, sort, randomize, reverse
----Reverse list
----List randomizer
----Sort list
----Add text to each line
----Remove extra whitespaces
NUMBERS Work with numbers, generate, filter, sort
----Generate list of numbers
----Filter numbers
----Sort numbers
----Minimum and maximum of a list
----Average of a list
DATE AND TIME Measure time, calculate distance between dates, chronometers
----Date/time difference
----Add to a date
----Subtract from a date
----Timer
----Stopwatch
IMAGES Resize images, crop, optimize and more
----Invert colors
----Flip image
----Darken image
----Lighten image
----Change brightness
RANDOMNESS Generate random numbers, randomize lists, common distributions
----Random number generator
----Coin flipper
----Dice roller
----Gaussian random number generator
----Password generator
PROGRAMMING Tools for programming and web development
----Syntax highlighter
----CSS Inliner
----JSON formatter
----CSS beautifier
----HTML beautifier
FILES Convert, compress, join or split
----Split files
----Join files
----Base64 encode
----Base64 decode
----Random file generator
http://www.online-image-editor.com/
----Resize or Crop your (animated gif) images.
----Add Text to your animated gif images.
----Make a GIF with our online GIF Maker
----Add Borders, or Merge and Overlay your picture.
----Put your image in a Picture Frame or add a Mask.
----Edit your photo online.
----Create round corners on your photos.
----Overlay your images with predefined animations!
----Convert, sharpen, reduce size of your animated gif…
----Create your OWN twinkle stars animation.
----Add your OWN glitters to an image.
----Make an image shape with the Cut Out Tool.