Your titles
One per line. Everything happens in this browser as you type.
characters. WordPress stores 200.
Drop stop words
An SEO choice, and a contested one. WordPress would keep them — switch this on and the tool stops telling you what your site will actually do by itself.
Slugs
Type a title on the left and its slug appears here.
This is what WordPress itself would make of each title — remove_accents() then
sanitize_title_with_dashes(), both ported from core and checked against it. Worked out in this
browser: nothing is uploaded and nothing is stored.
The Slug & Permalink Generator needs JavaScript: the titles are turned into slugs in this browser, which is why none of them have to be sent anywhere. With JavaScript switched off there is nothing to do the work.