How do I convert a JPEG to an icon?

Related questions

1. How do I change my Blogger icon?
2. What is favicon cache?
3. Does favicon have to be in root?
4. How do I remove an icon from my Blogger address bar?
5. How do you add a favicon?
6. Does a favicon have to be square?
7. Do I need a favicon?
8. Can favicon be SVG?
9. What is favicon in Blogger?
10. How do I increase favicon size?

Tags

1. #uploading
2. #output
3. #drive
4. #256x256
5. #google
6. #complete
7. #convert
8. #preferred
9. #platform
10. #dropbox
11. #conversion
12. #after
13. #upload
14. #download
15. #16x16
16. #cloud
17. #device
18. #press
19. #select
20. #storage
21. #pixels
22. #button
23. #image
24. #define