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Secret Lab

Free UTM Builder & QR Code Generator

Build campaign tracking links with UTM parameters and generate a QR code — all in one step. Know exactly which channel, campaign, and content drives every visitor.

✓ Free Secret Lab UTM Builder QR included
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Ready to build

Enter your URL and optional UTM parameters

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UTM Parameters
utm_source
utm_medium
utm_campaign
utm_content
QR Code
Scan to open your tracking link. Use on printed materials.
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Free UTM Builder & QR Code Generator — Campaign Link Builder

Without UTM parameters, most of your marketing traffic shows up as "direct" in Google Analytics and you lose all attribution data. This free UTM builder generates your full campaign tracking URL and a QR code in one step — so you always know which channel, campaign, and piece of content is actually driving results. No backend, no signup, no data stored.

What Are UTM Parameters?

utm_source — Where Traffic Comes From

Identifies the traffic source: instagram, newsletter, google, facebook, linkedin. This is the first thing you see in Google Analytics when you look at your campaign data.

utm_medium — The Marketing Channel

The marketing channel type: social, email, cpc, qr, organic. Lets you compare paid vs. organic vs. email at a glance.

utm_campaign — The Specific Campaign

Your campaign name: summer_sale, product_launch, weekly_newsletter. Use consistent naming across your team so reports stay clean.

utm_content — Optional A/B Testing

Differentiates links within the same campaign: banner_top, link_bio, button_cta. Use this when you have multiple links pointing to the same page from the same campaign.

Campaign Link Builder — 3 Ways to Use It

UTM Builder for Email Campaigns

Every link in your email newsletters should have UTM tags. Set utm_source=newsletter, utm_medium=email, and utm_campaign to your campaign name. Use utm_content to differentiate the header CTA from the footer link. This gives you click-through data per link, not just opens.

QR Code Generator for Print & Physical Marketing

Toggle the QR code option on, build your UTM-tagged link, and download a QR code PNG. Place it on flyers, business cards, packaging, or any printed material. When someone scans it, the UTM parameters pass to your analytics — so you know exactly how many visits came from your print campaign.

UTM Builder for Social Media Tracking

Add utm_source=instagram and utm_medium=social to the link in your bio. When someone clicks it, GA4 records the source. Run the same page with different UTM tags across Facebook, LinkedIn, and TikTok to compare which platform drives the most qualified traffic to your site.

Frequently Asked Questions

What are UTM parameters?

Tags added to a URL that tell Google Analytics the source, medium, and campaign of your traffic. Without them, most marketing traffic shows up as "direct."

Where do I see UTM data in Google Analytics?

In GA4: Reports → Acquisition → Traffic Acquisition. Filter by Session source/medium or Session campaign to see your UTM data broken down by campaign.

Does this actually shorten the URL?

This tool builds UTM-tagged campaign links and QR codes — it does not shorten with a redirect service. If you need a short link, paste the output into Bitly or similar after building it here. The QR code works with the full URL.

Is this tool free?

Yes — 100% free, no signup, no limits.

What is a UTM builder?

A tool that adds utm_source, utm_medium, utm_campaign, and utm_content parameters to a URL. These parameters are read by Google Analytics to attribute traffic to the correct channel and campaign — instead of everything showing as "direct."

What is a campaign link builder?

A campaign link builder — also called a UTM builder — lets you tag any URL with campaign tracking parameters so you can measure exactly which ad, email, or social post drove traffic to your site. This tool builds the tagged URL and generates a QR code for print use, all in one step.

Can I generate a QR code for my UTM link?

Yes. Toggle the QR code option on before clicking Build Tracking Link. A QR code for your full UTM-tagged URL is generated automatically — download it as PNG for flyers, business cards, or packaging. Scanning the QR code passes the full UTM data to your analytics.

More Free Tools

Part of the Kroell Digital free tools hub. Also try the Campaign Builder to plan your full campaign strategy before you start tagging links.

Need a full marketing analytics setup, GA4 configuration, or campaign strategy? Talk to us — first audit is free.

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