Paste your base URL (e.g., https://example.com/landing) or use a preset to quickly fill source and medium.
Fill in utm_source, utm_medium, and utm_campaign (required). Optionally add utm_term, utm_content, and utm_id for GA4.
Choose to force lowercase values and keep or remove existing query parameters from the base URL.
The UTM-tagged URL updates live in the preview. Copy the full URL or just the parameters as needed.