Last updated: March 2026
What Is a Slug Generator?
A slug generator converts any text into a clean, URL-friendly string. It takes a page title like "How to Build a Website in 2026: A Complete Guide!" and transforms it into how-to-build-a-website-in-2026-a-complete-guide. This process involves lowercasing, removing special characters, and replacing spaces with hyphens.
URL slugs are a minor but confirmed Google ranking factor. Clean, keyword-rich URLs can improve click-through rates from search results by up to 25%.
This tool also handles accented character transliteration (café → cafe, naïve → naive), stop word removal, configurable separators, and bulk generation. It's essential for developers building CMSs, blogs, or any system that needs human-readable URLs.
URL Slug Best Practices for SEO
Use hyphens, not underscores. Google treats hyphens as word separators but treats underscores as word joiners. web-development is parsed as two words, while web_development is parsed as one. Always use hyphens for word separation in URLs.
Keep it short and keyword-focused. Aim for 3–5 words that describe the page content. Remove stop words (a, the, is, in) unless they're essential for clarity. Don't stuff keywords — Google penalizes over-optimized URLs. The slug should read naturally and tell users what to expect on the page.
Frequently Asked Questions
What is a URL slug?
A URL slug is the part of a web address that identifies a specific page in a human-readable format. In 'example.com/blog/how-to-build-a-website', the slug is 'how-to-build-a-website'. Good slugs are lowercase, use hyphens between words, and contain only letters, numbers, and hyphens.
Why are slugs important for SEO?
Clean, descriptive slugs help search engines understand page content and improve click-through rates in search results. Google has confirmed that URLs are a minor ranking factor. Users are also more likely to click a link with a readable slug than one full of random characters or query parameters.
How long should a slug be?
Keep slugs under 60 characters (about 3-5 words). Google truncates long URLs in search results, and shorter slugs are easier to remember, share, and link to. Focus on the primary keywords and remove unnecessary stop words like 'a', 'the', 'is', 'in'.
Should I remove stop words from slugs?
For SEO purposes, removing stop words (a, an, the, is, in, on, etc.) is generally recommended. It makes slugs shorter and more focused on keywords. 'how-to-build-a-website-in-2026' becomes 'build-website-2026'. However, keep stop words if removing them makes the slug confusing.
What characters are allowed in URLs?
URLs can technically contain any character when percent-encoded (%20 for space), but for readability, slugs should only use lowercase letters (a-z), numbers (0-9), and hyphens (-). Avoid underscores (Google treats hyphens as word separators but not underscores), spaces, and special characters.
How do I change a slug without losing SEO?
Set up a 301 redirect from the old URL to the new one. This tells search engines the page has permanently moved and transfers most of the SEO value. Update internal links to use the new URL. The redirect should stay in place permanently — don't remove it after a few months.