图片素材
- https://pixabay.com
- https://www.deviantart.com
- http://sc.chinaz.com/tupian
无损放大
https://bigjpg.com/
favicon.ico
- http://www.easyicon.net
- http://www.zhutizhijia.net/sbzz/
- http://www.xitongzhijia.net/sbzz/2001.html
图片转为ASCII
- http://patorjk.com/software/taag
- http://www.network-science.de/ascii
- http://picascii.com
- http://www.makepic.net/Tool/Image2ascii.html
- http://www.degraeve.com/img2txt.php
- http://life.chacuo.net/convertphoto2char
- http://asciiflow.com
- https://tools.kalvinbg.cn/
图床
- https://photobucket.com/
- https://postimages.org/
- https://imgbox.com
- https://simimg.com/
- https://imgur.com
- https://placeimg.com/
- https://sm.ms/
- https://ctrlq.org/images/
github徽章与emoji
- https://shields.io/
- https://emojipedia.org/
- https://getemoji.com
- https://github.com/FortAwesome/Font-Awesome
PPT模板
- http://www.hippter.com
- http://www.ypppt.com
- http://www.1ppt.com
- http://www.51pptmoban.com