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How to Generate URL Slugs Online Free — SEO-Friendly URLs

Convert any text to URL-friendly slugs online for free. Removes accents, special characters, and creates clean permalinks for SEO.

4 min read
··Updated: 24 May 2026·By Helperzy Team

URL slugs are the human-readable part of a web address that describes the page content. Good slugs improve SEO, user experience, and link shareability. A slug generator automates the conversion from natural language titles to clean, URL-safe strings.

What Makes a Good Slug

Short and descriptive: Include the main keyword but keep it concise. 'how-to-build-website' is better than 'how-to-build-a-website-from-scratch-in-2026-complete-guide'. Keyword-rich: Include your target keyword naturally. This helps both SEO and user understanding. No special characters: Only lowercase letters, numbers, and hyphens. No spaces, accents, or symbols. No stop words (optional): Removing 'a', 'the', 'in', 'of' makes slugs shorter without losing meaning.

How Slug Generation Works

1. Convert to lowercase: 'How To Build' → 'how to build' 2. Remove accents: 'café' → 'cafe', 'über' → 'uber' 3. Remove special characters: 'Hello!' → 'hello' 4. Replace spaces with separator: 'hello world' → 'hello-world' 5. Remove consecutive separators: 'hello--world' → 'hello-world' 6. Trim separators from edges: '-hello-world-' → 'hello-world' 7. Apply max length (optional): Truncate at word boundary

SEO Best Practices for URLs

Keep slugs under 60 characters: Shorter URLs are easier to share and display fully in search results. Use hyphens, not underscores: Google treats hyphens as word separators. Include target keyword: The primary keyword should appear in the slug. Avoid dates in slugs: Unless the content is time-specific, dates make URLs longer and content appear outdated. Use lowercase only: Mixed case URLs can cause duplicate content issues on some servers. Be consistent: Use the same slug format across your entire site.

Key Takeaway

Slug generation converts titles to clean, SEO-friendly URLs in one step. Use hyphens as separators, keep slugs short and keyword-rich, and remove accents and special characters for maximum compatibility.

Frequently Asked Questions

What is a URL slug?

A slug is the URL-friendly version of a page title that appears after the domain name. 'How to Build a Website!' becomes 'how-to-build-a-website'. Good slugs are short, descriptive, and contain keywords.

Why are slugs important for SEO?

Google uses URL structure as a ranking signal. Clean, keyword-rich slugs help search engines understand page content. URLs like /how-to-build-website rank better than /page?id=12345.

Should I use hyphens or underscores?

Hyphens (-) are recommended by Google. They treat hyphens as word separators but underscores as word joiners. 'web-design' = two words, 'web_design' = one word to Google.