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Free UTM Link Builder

Build tracking URLs instantly by appending UTM parameters to your base URL. Perfect for marketing teams who need to track campaign performance across email, social, and paid channels without writing query strings by hand.

Your campaign URL

source, medium, and campaign are the standard required tags. Values are URL-encoded automatically. Built in your browser.

Quick answer

A UTM Link Builder adds tracking parameters (utm_source, utm_medium, utm_campaign, etc.) to your URLs so you can measure which campaigns drive traffic in Google Analytics. Paste your base URL, fill in the source, medium, and campaign fields, and the tool generates a ready-to-use tracking link you can copy and share.

Formula & method

Paste your base URL into the tool, then fill in the tracking parameters: source (where the traffic comes from—newsletter, social, etc.), medium (the channel type—email, cpc, social), campaign (the campaign name), and optionally term and content for additional detail. The tool appends all parameters URL-encoded to your URL as query strings and displays the result live for copying.

Examples

Example 1: Email Newsletter Campaign
Input
Base URL: example.com/spring-sale | Source: newsletter | Medium: email | Campaign: spring
Result
example.com/spring-sale?utm_source=newsletter&utm_medium=email&utm_campaign=spring
Why
This tracks traffic from your weekly newsletter. When someone clicks this link in an email, Google Analytics will attribute the visit to the newsletter email campaign.
Example 2: Paid Social Media Ad
Input
Base URL: shop.com | Source: facebook | Medium: cpc | Campaign: valentines%20day | Term: womens%20shoes
Result
shop.com?utm_source=facebook&utm_medium=cpc&utm_campaign=valentines%20day&utm_term=womens%20shoes
Why
For a Facebook paid ad campaign promoting women's shoes for Valentine's Day, the tool URL-encodes spaces as %20. This lets you track not just the platform but also the product segment and user intent.
Example 3: Organic Social Post with Content Variant
Input
Base URL: blog.com/article | Source: twitter | Medium: social | Campaign: spring%20launch | Content: carousel
Result
blog.com/article?utm_source=twitter&utm_medium=social&utm_campaign=spring%20launch&utm_content=carousel
Why
Use utm_content to A/B test different post formats (carousel vs. single image). This tracks which content type drives better engagement and clicks on Twitter.

When to use this tool

  • Marketing campaigns: Any email blast, social post, or paid ad that links to your website—add UTM parameters so analytics credits the traffic correctly.
  • A/B testing: Use utm_content to tag different versions of the same campaign (headline A vs. B, image variant, CTA text) and compare performance.
  • Multi-channel promotions: Track the same offer across newsletter, paid search, organic social, and partnerships using different utm_source values to see which channel has the highest ROI.

Common mistakes

  • Forgetting to URL-encode special characters: The tool automatically handles this, but if you manually copy/edit the URL, spaces become %20, slashes become %2F, and ampersands in values need escaping.
  • Using the same campaign name across different channels: If you use campaign=spring for both email and paid search, you lose visibility into which channel performs better. Use source and medium to differentiate, keep campaign for the actual campaign theme.
  • Leaving utm_medium blank: Without a medium (email, cpc, social, organic, etc.), you can't distinguish between paid and organic traffic in your analytics dashboard, defeating the purpose of tracking.

Frequently asked questions

Why does the tool show spaces as %20 or + in the URL?

URLs cannot contain literal spaces, so the tool URL-encodes them. %20 and + are equivalent; most analytics platforms decode both back to spaces. The tool uses standard percent-encoding (%20 style).

Do I have to fill in all five UTM parameters?

No. The five common parameters are utm_source, utm_medium, utm_campaign, utm_term, and utm_content. Only utm_source, utm_medium, and utm_campaign are typically required for basic campaign tracking; term and content are optional for fine-grained detail.

Can I use UTM parameters with any URL?

Yes. UTM parameters are just query string additions and work with any URL—your product pages, blog articles, landing pages, PDFs, or even external links. The base URL just needs to be valid.

Is my URL data stored or shared anywhere?

No. This tool runs 100% in your browser. Your URLs are never sent to a server or stored—they're built and copied entirely on your device.

What's the difference between utm_term and utm_content?

utm_term traditionally tracked paid search keywords but is less common now. utm_content is flexible and commonly used for creative variants (banner A vs. B, email template style, etc.) or product categories.

How many UTM parameters can I add?

You can add all five standard ones via this tool. Some analytics systems support custom parameters, but Google Analytics focuses on these five. URLs also have length limits (~2000 characters in most browsers), so extremely long parameter values can cause issues.

Sources & references

External references open in a new tab. We are independent and not affiliated with these organizations.

  • âś“ Free to use
  • âś“ No sign-up required
  • âś“ Runs entirely in your browser — nothing is uploaded.
  • âś“ Formula and method shown above
Last updated: How we calculateReport a correctionDisclaimer

Provided “as is” for general information only — results may be inaccurate, so verify before you rely on them. No warranty; use at your own risk.

Built and reviewed by HIFreeTools against the formula shown above and any authoritative references cited on this page. See our methodology and editorial standards.

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