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How to Generate a Slug for URLs and Blog Posts
A slug is the readable part of a URL that usually appears after the domain name and path. Good slugs make links easier to understand, easier to share, and easier to reuse in blogs, docs, product pages, and content workflows.
Published March 22, 2026 · Updated March 22, 2026
What A Slug Does In A URL
A slug turns a title or phrase into a cleaner URL segment, often by lowercasing it, removing punctuation, and replacing spaces with hyphens. For example, a title like How to Format SQL Before Sharing It becomes a shorter path that is easier to read in a browser or message.
That readable structure helps people understand where a link goes before they even open it, which is one reason slugs show up so often in blogs, documentation sites, CMS tools, storefronts, and publishing workflows.
Why People Generate Slugs Instead Of Typing Them By Hand
Manual slug editing is easy to get wrong when titles include punctuation, mixed casing, repeated spaces, quotes, accents, or other characters that do not fit well in clean URL paths.
A slug generator removes that friction by normalizing the text quickly and consistently. That is especially helpful when you are preparing many URLs, blog drafts, category pages, or content exports.
What Makes A Good Slug
A good slug is usually short, descriptive, and easy to scan. It should keep the important keywords from the title without becoming bloated or messy.
In practice, people often want slugs that are readable first and SEO-friendly second. A slug generator helps with both by creating a predictable, clean version of the original text.