Question 1

How does the slug generator clean a title?

Accepted Answer

In a fixed sequence: the text is lowercased, then a lookup table converts common accented letters to plain ASCII. Ampersands become the word and, every run of non-alphanumeric characters collapses into a single hyphen, and leading or trailing hyphens are trimmed. If stop-word removal is on, a fixed list of English fillers is filtered out before the remaining words are rejoined.

Question 2

Which characters survive into the final slug?

Accepted Answer

Only lowercase letters a to z, digits and separating hyphens. Everything else is transformed or dropped: accents are transliterated where the tool knows the letter, ampersands become and, spaces and punctuation become hyphens. This is why a Japanese or Arabic title returns an empty slug - those scripts fall outside the character map. When that happens, write the title in Latin letters first or build the slug manually.

Question 3

What does a good slug look like in practice?

Accepted Answer

Take the sample headline about free PDF tools for students. The raw slug keeps every word: 10-best-free-pdf-tools-for-students-in-2027. With stop words removed it tightens to 10-best-free-pdf-tools-students-2027, which is shorter without losing meaning. Both are valid; the second reads better in search results and social cards. Aim for that style - readable, hyphenated, keyword near the front, and no tracking codes bolted on.

Question 4

Can I use it for non-English titles?

Accepted Answer

Partly. The transliteration map handles the common West European accents - French, German, Spanish, Portuguese and Nordic letters. Titles written entirely in non-Latin scripts, such as Russian, Greek, Hindi or Chinese, come back empty because the tool has no romanization engine. Mixed titles keep only their Latin parts. For those languages, build the slug from a Latin keyword you would actually want in the URL.

Question 5

Is the text I paste sent to a server?

Accepted Answer

No. The conversion is a few lines of JavaScript running in your page; the title never leaves the browser tab. There is no history, no logging and no account - reload the page and everything is blank again. That makes it safe for unpublished drafts, client work in progress or internal document names you would rather not expose anywhere.

Question 6

Who should keep a slug generator handy?

Accepted Answer

Bloggers and content teams naming dozens of posts a month, developers normalizing file names, route paths or download links, and SEO writers checking that a draft's permalink matches its target keyword before publishing. It is also quietly useful for non-web work: cleaning course codes, wiki page names, asset labels and any string destined for a filename where spaces and capitals cause trouble.

URL Slug Generator

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The complete slug generator guide