Yes. Shortening links on ikli.link is completely free.
No. Paste a link and press Shorten. There is no sign-up, login or email.
30 days. After that the short link stops working and shows a "link not found" page.
Yes. Click "Customize your link" and pick an alias of 3 to 20 lowercase letters, numbers or hyphens, as long as nobody else is using it.
Yes. Every short link comes with a QR code.
Any http or https link up to 2,048 characters. You can leave out https:// and it is added for you.
No. Without accounts there is no way to prove a link is yours, so links cannot be changed or removed early. They expire on their own after 30 days.
Only the short code, the original URL, and when the link was created and expires. No name, email or account. The record is deleted automatically after the link expires.