How to increase video quality in youtube by a small URL?

Hi friends,    

                  I found a secret youtube url that increase video quality easily. If you want how to increase video quality in youtube by small URL

(NOTE – it will only for those videos that uploaded by you).

Just follow the steps given below:-

1. First you should open your browser and sign into youtube.

2. Then click on your email and click on my videos option.

3. Then click on any video.

4. You can see the URL present in the address bar. It looks like:-

5. Add a small text in URL - &fmt=18

6. after adding URL hit the enter button or click on go option.

Then you see the same video but with a nice quality.

         For example see this screenshots

Video before adding URL

 Video after adding URL