구글 크롬 확장프로그램은....크롬 웹스토어에서...

1. QR코드 생성기코드 생성기="">............현재 보이는 화면(사이트) QR코드를 바로 생성</qr코드>

https://chrome.google.com/webstore/detail/quick-qr-code-generator/afpbjjgbdimpioenaedcjgkaigggcdpp?hl=ko 

2. <원클릭 url 단축>

https://chrome.google.com/webstore/detail/one-click-url-shortener/fjnodoodcohggdkacpmiidjikhlihcdk?hl=ko 

3. BITLY ; URL단축

https://chrome.google.com/webstore/detail/bitly-powerful-short-link/iabeihobmhlgpkcgjiloemdbofjbdcic?hl=ko 

4. 유튜브 광고차단

https://chrome.google.com/webstore/detail/adblock-for-youtube/cmedhionkhpnakcndndgjdbohmhepckk?hl=ko