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Validation
Validate URL slug strings (lowercase letters, numbers, hyphens only, no special characters)
Execution
Fill in the form, run the tool, and review the result in one place.
Samples
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Tool usage guide
The Slug Validator checks if a string is suitable for use as a URL slug, ensuring it contains only lowercase letters, numbers, and hyphens for clean, SEO-friendly links. It helps maintain consistent and safe URL structures across websites.
Background
A blogger is preparing a new article and wants the URL slug to be optimized for search engines.
Problem
The draft slug 'My New Blog Post!' contains spaces and an exclamation mark, making it invalid.
How to use
Enter 'My New Blog Post!' into the Slug field and click validate without changing any options.
Outcome
The tool flags the slug as invalid due to spaces and special characters, suggesting a corrected version like 'my-new-blog-post'.
Background
A developer is building a tech site where underscores are used in API endpoint slugs.
Problem
Need to validate slugs like 'api_v2_endpoint' that include underscores.
How to use
Enter the slug, check the 'Allow Underscores' option, and validate.
allowUnderscores: trueOutcome
Slugs with underscores are now accepted, while invalid characters like spaces are still rejected.
By default, only lowercase letters, numbers, and hyphens are allowed. You can optionally enable underscores.
Clean slugs improve readability for users and search engines, aiding in better indexing and higher rankings.
Yes, you can specify a max length, with a default of 100 characters to keep URLs concise.
Trailing hyphens are not allowed by default, but you can enable this option if your use case requires it.
Yes, the Slug Validator is a free online tool for validating URL slugs without any cost.
Background
An SEO team aims to keep URLs short for better sharing and indexing on social media.
Problem
Some slugs are excessively long, reducing readability and shareability.
How to use
Set the Max Length to 50 and validate slugs like 'this-is-a-very-long-slug-that-exceeds-the-limit'.
maxLength: 50Outcome
Slugs over 50 characters are flagged as invalid, prompting users to shorten them for optimal performance.