Slug Generator

What Is the URL Slug Generator?

A URL slug is the part of a web address that identifies a specific page in a human-readable format. In the URL https://example.com/blog/how-to-bake-sourdough, the slug is how-to-bake-sourdough. Good slugs are short, descriptive, lowercase, and use hyphens to separate words rather than spaces or underscores. This generator takes any text you type in, including titles, headings, or phrases in any language, and converts it into a clean, URL-safe slug in a single step.

URL structure is covered in detail by the MDN Web Docs guide to URLs, and the technical specification for valid URL characters is defined in RFC 3986. A well-formed slug contains only lowercase letters, numbers, and hyphens, with no spaces, special characters, or consecutive hyphens.

How to Use the Slug Generator

1. Type in or paste in the title or phrase you want to convert.
2. The slug appears instantly in the output field below.
3. Toggle the separator if you prefer underscores over hyphens, though hyphens are the standard recommendation for most use cases.
4. Copy out the generated slug with the copy button.
5. Paste it into your CMS, route configuration, or URL builder.

For blog posts and articles, the slug generator pairs naturally with the Character Counter, which lets you check that your title is within the character range you are targeting before generating the slug from it.

What the Slug Generator Does to Your Text

The conversion process applies a consistent set of transformations to build up a valid slug from any input:

• Converts all characters to lowercase.
• Removes accents and diacritical marks from letters (for example, converting é to e and ñ to n).
• Replaces spaces and any non-alphanumeric characters with hyphens.
• Collapses multiple consecutive hyphens into a single one.
• Strips leading and trailing hyphens from the result.

As a result, a title like "What's the Best Way to Learn JavaScript?" becomes whats-the-best-way-to-learn-javascript. The apostrophe and question mark are removed, spaces become hyphens, and everything is lowercased.

Why Slug Quality Matters for SEO

Search engines read URLs as part of their assessment of what a page is about. A descriptive slug that contains your primary keyword signals relevance and can contribute to rankings. Beyond that, clean URLs are more likely to be clicked in search results and shared accurately by users copying links manually, because they are readable at a glance.

Here are some slug practices worth following:

• Keep slugs short: Aim for 3 to 5 words where possible. Very long slugs are unwieldy in shared links and add no meaningful SEO benefit.
• Include your target keyword: Place the most important word or phrase near the start of the slug.
• Avoid stop words: Words like "a", "the", "is", and "of" add length without adding meaning. Removing them produces a tighter slug without loss of clarity.
• Use hyphens, not underscores: Google treats hyphens as word separators and underscores as word joiners. best-coffee-shops is indexed as three separate words; best_coffee_shops is treated as one compound term.

Hyphens vs Underscores: The Technical Background

The preference for hyphens over underscores in URL slugs comes from how search engine crawlers parse URL strings. Historically, underscores were not treated as word separators by Google's crawler, which meant word_one was read as a single token rather than two words. Google has clarified over the years that it now handles both, but the convention of using hyphens is well established and remains the safer default for new content.

Conclusion

The slug generator converts any text into a URL-ready string in seconds, taking care of case, punctuation, special characters, and spacing automatically. It is particularly useful when you are setting up a CMS, building out a site's URL structure, or publishing content regularly and want consistent, clean slugs without having to sanitise them manually each time. Combine it with the Text Case Converter if you need to transform the same text for other uses at the same time.