Valid list
- https://example.com/
- https://example.com/about
web validator
URL List Validator
Validate lists of URLs for proper formatting, http/https scheme, and duplicates.
Results
Paste input and validate locally.- Status
- Ready when you validate.
- Details
- Ready when you validate.
- Total URLs
- Ready when you validate.
- Unique URLs
- Ready when you validate.
- Issues
- Ready when you validate.
Rules & checks
Validates each line as an http/https URL.
Flags invalid URLs and duplicate entries.
Runs entirely client-side; no data is stored.
When to use it
- QA link lists before crawling or sharing
- Support teams checking user-provided URLs
- Preflight CSV or bulk imports of URLs
Tips
- Keep one URL per line
- Use absolute URLs with http/https schemes
Examples
Duplicate
- https://example.com/
- https://example.com/ -> flagged duplicate
Invalid
- not-a-url -> flagged invalid
FAQs
- Do you fetch the URLs?
- No. This checks format only and runs locally.
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