Guides to short links
Plain answers to the questions people ask before they trust a short link with something that matters. Where a guide says what another service does, it links to the page it was read on and carries the date it was last verified.
Do short links expire?
What Bitly, TinyURL and six other services state about their free links, and the four ways a short link still stops working.
URL shorteners without ads
Which services put an ad or a preview page between the click and your page, by their own statements, and how to test a shortener yourself.
Bitly free plan limits
Links, QR codes, custom back-halves, ads and statistics on Bitly's free plan, each with its source, next to ktzr.io's free plan.
Are short links safe?
Three ways to see where a short link goes before you open it, and what a URL shortener can and cannot screen.