Pastebin extension for Google Chrome is the fastest way to share source codes online. It uses paste.pocoo.org to host source codes for free.
How to use Pastebin?
After clicking “paste” button, it will show you the link to the code hosting page.
You can share this URL on twitter, forums etc. Your codes are hosted at paste.pocoo.org – an online service for hosting source codes. The code hosting pages have many cool options including option to post “reply”, which can be used by anyone to post comment on your shared codes. Users can also select different color-schemes for syntax highlighting.
Pastebin for Chrome does not require any registration or login.
Link: Pastebin (Google Chrome extension)