Comment utiliser : Bulk UTM Builder
- Click Paste from a spreadsheet and paste your rows — or Import CSV. A header row (url, source, medium, campaign…) is recognized in any order.
- Fill in or edit cells; use Defaults for values every row shares, like the campaign name.
- Check each row: the tagged URL, the GA4 channel it will count under, and warnings for missing values.
- Copy all URLs or Export CSV with the original columns plus the tagged URL and channel.
Consistent UTM tags at scale
GA4 treats Email, email and e-mail as different values, and a medium it doesn’t recognize sends visits to Unassigned. Tagging a whole campaign in one table keeps names consistent: values are lowercased, spaces become underscores or hyphens, and each row shows the default channel GA4 will assign — Paid Search for google / cpc, Paid Social for linkedin / paid_social, Email for email.
- Existing query strings and #fragments are kept; existing
utm_values are replaced unless you turn that off. - Links without
https://get it added. - Your table is saved in this browser, so you can come back to it.
Tagging one link? The UTM Builder has presets for each ad platform. Make links shorter for print with the QR Code Generator, and decode existing ones with the URL Parser.
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Outils complémentaires : Bulk UTM Builder
- GA4 Event Code Generator — Pick a recommended GA4 event — generate_lead, sign_up, purchase, add_to_cart and more — or name your own, fill in the parameters and items, and copy the code as gtag(), a Tag Manager dataLayer.push() or a server-side Measurement Protocol request.
- Ad Pixel Event Code Generator — Pick a platform — Meta Pixel, Meta Conversions API, TikTok Pixel, LinkedIn Insight Tag or Pinterest Tag — choose a standard event like Lead, Purchase or CompletePayment, fill in the value, currency and items, and copy code that fires right away or on a click or form submit.
- A/B Test Significance Calculator — Did version B really win, or was it luck?
- A/B Test Sample Size Calculator — Plan your test before you start.
Questions fréquentes
How do I create UTM links in bulk?
Paste your URLs and UTM values from a spreadsheet (or import a CSV), set defaults for anything shared, and export the tagged links as CSV or copy them all at once.
Which columns does the CSV import need?
A url column plus any of source, medium, campaign, content and term — with or without a utm_ prefix, in any order. Without a header row, columns are read in that order.
Why does my medium land in “Unassigned”?
GA4 assigns channels from the source and medium. Use standard mediums like cpc, paid_social, email, social, referral, display or affiliate so visits land in the right channel.
Should UTM values be lowercase?
Yes. UTM values are case-sensitive in GA4, so Facebook and facebook would show as two sources. Lowercasing everything avoids split reports.
Puis-je installer Bulk UTM Builder en tant qu’application web et l’utiliser hors ligne ?
Oui. Bulk UTM Builder est une application web installable (PWA) : elle s’installe depuis votre navigateur, sans passer par une boutique d’applications. Cliquez sur « Installer l’application » en haut de cette page dans Chrome ou Edge (Windows, macOS, Linux, ChromeOS) ; sur Android, utilisez « Partager » → « Ajouter à l’écran d’accueil » sur iPhone et iPad ; ou « Fichier » → « Ajouter au Dock » dans Safari 17+ sur Mac. L’application s’ouvre alors dans sa propre fenêtre avec sa propre icône, et comme elle s’exécute entièrement dans votre navigateur, elle continue de fonctionner hors ligne. Firefox sur ordinateur de bureau ne permet pas d’installer d’applications web. Comment fonctionne l’installation.