Free Chrome Extension
Stop Building UTM Links Manually
tm tagger detects where you’re browsing and generates tracked campaign URLs in seconds. No tabs to switch. No spreadsheets to maintain.
tm tagger — by thrivemattic
22+
Platforms Detected
6
UTM Parameters
0
Data Sent to Servers
See It in Action
Opens Right Where You’re Working
Click the extension icon on any page. Source and medium are already filled. Pick a destination, name your campaign, copy.
How It Works
Four Steps. Three Seconds.
1
Browse Any Page
You’re on LinkedIn composing a post, replying on Reddit, or drafting an email.
2
Click the Icon
tm tagger detects the platform from the tab URL and auto-fills source + medium.
3
Pick a Destination
Search your stored URL library or type any URL. Select a campaign preset or name a new one.
4
Copy & Paste
One click copies the full UTM URL to clipboard. Logged to history automatically.
Features
Everything You Need. Nothing You Don’t.
Platform Detection
22+ platforms recognized automatically. Unknown sites show their favicon and use the domain as source. Fully editable — auto-fill is a suggestion, not a lock.
URL Library
Store your key pages organized by site and category. Search by name or path. Star favorites for quick access. Import your own URL sets.
Campaign Presets
Save frequently used configurations. Create, edit, delete. Import and export as CSV. Download a template to onboard your team fast.
URL Validation
Checks if pages exist, catches redirects that strip UTM params, detects duplicate UTM tags, flags URLs outside your library.
Generation History
Every URL you copy is logged with timestamp and platform. Search, browse, re-copy, or export your full history as CSV.
Privacy-First
All data stored locally on your device. No accounts, no analytics, no tracking. URL validation only runs on domains you explicitly grant access to.
Supported Platforms
Auto-Detects Where You Are
When tm tagger opens, it reads the tab URL and maps it to the correct utm_source and utm_medium. These platforms are recognized automatically.
URL Validation
Catch Problems Before You Share
Every destination URL runs through four checks before you copy it.
HTTP Status Check
Verifies the page exists and returns 200. Catches 404 errors and dead links before you send traffic to them.
Redirect Detection
Warns if the URL redirects (301/302). Redirects often strip UTM params. Offers to use the final target URL instead.
Library Match
Flags URLs not in your stored library — catches typos and untracked pages before they pollute your GA4 data.
Duplicate UTM Detection
Catches URLs that already have UTM params baked in. Offers to strip them before adding your fresh campaign tags.
Replaces
One Extension. Zero Spreadsheets.
tm tagger replaces Google’s Campaign URL Builder, manual spreadsheet tracking, and inconsistent UTM tagging across your team. Consistent naming. Zero typos.
Works With
Your Analytics Stack, Unchanged
tm tagger generates standard UTM parameters. It works with every analytics platform that reads utm_source, utm_medium, utm_campaign, utm_id, utm_term, and utm_content.
Tag Every Link. Track Every Click.
Free. No account required. All data stays on your device.