A slug is the URL-friendly version of a title or name that appears after the domain. For example, in '/blog/my-first-post', the slug is 'my-first-post'.

Search engines use URLs as ranking signals. Slugs with relevant keywords help search engines understand page content and improve click-through rates in search results.

Hyphens (-) are the most common and SEO-recommended choice. Google treats hyphens as word separators but not underscores. Dots are used in some systems like npm packages.

Special characters like @, #, !, etc. are removed. Accented characters (é, ñ, ü) are converted to their ASCII equivalents (e, n, u).

Yes, lowercase is best practice. URLs are case-sensitive, so lowercase prevents 404 errors from capitalization mistakes and ensures consistency.

Keep slugs concise but descriptive – typically 3-5 words or 50-60 characters. Shorter slugs are more readable and shareable.

Absolutely! The same principles apply to file names. Use underscores for file names if your system prefers them over hyphens.

Multiple consecutive spaces are automatically collapsed into a single separator, keeping your slugs clean.

Yes – anything that's not a letter, number, space, or hyphen is removed. This includes punctuation, emojis, and most symbols.

No. All conversion happens locally in your browser. Your text is never sent to any server or stored anywhere.