Will it double-encode existing params?

No—the builder merges with existing queries and encodes only what is needed.

The builder remembers your base URL and recent parameter values in this browser for reuse as suggestions.

UTM Builder

Build campaign links with UTM parameters.

Base URL

utm_source

utm_medium

utm_campaign

utm_term (optional)

utm_content (optional)

Slugify values (lowercase, spaces→-) Keep existing non-UTM params on the base URL

Result

Preview query parameters

Help & FAQ — UTM Builder

How to use

Paste your base URL into the builder.
Fill in source, medium, campaign, and optional term/content parameters.
Choose Build URL, then Copy or Share the link. Open visits the generated address.

Use cases

Build campaign links for newsletters.
Standardize UTMs across marketing channels.

Tips & FAQs

Will it double-encode existing params?: No—the builder merges with existing queries and encodes only what is needed.
What is saved?: The builder remembers your base URL and recent parameter values in this browser for reuse as suggestions.

Formats & limits

Works with HTTP/HTTPS URLs
Use QR Code Generator if you want a QR image for the link
Recent values remain in this browser’s local storage

Privacy

The link is built locally. Copy and Share transfer the generated URL; Open visits its destination with the entered parameters. Recent values are stored in this browser.

Related tools

Updated

15 October 2025