The pyth link is the end of the shortened link, like so:
Leave the pyth link field blank to make a random one.
The target link is where the shortened link will redirect to; it's the link you are shortening.
The password is what you use to edit the link, and prove that you are its owner.
Using this mode, you can easily see where a link goes!
Peek mode will show a preview page when a link is viewed, so you can see where you'll end up. It will create a cookie in your browser.
Alternatively, you can go to
/peek/link instead of
/link to get a preview page without activating peek mode.
Peek mode status: Off