Is Klaviyo Developer Tools safe?

Clean risk

This extension helps developers check Klaviyo JS installation and debug client-side Klaviyo events.

It identifies whether a website has the Klaviyo JavaScript installed correctly. It also adds a developer panel for monitoring and debugging client-side events sent to Klaviyo.

browser-extension-mgmtChrome Web Store
0Risk
Who publishes it

Klaviyo Inc - no other listings under this identity

What this publisher told the store about itself, and the other listings that told it the same thing.

Publisher
browser-extension-mgmt
Declared legal entity
Klaviyo Inc
Registered address
125 Summer St Suite 600, Boston, MA 02110-1641, US
Registered contact
Sarah Stiffler

AI-generated. Findings may contain errors. Those marked Verified have been manually reviewed.

Publishers can request a review.

Where it sends data

Destinations our analysis observed Klaviyo Developer Tools contacting. Sending data somewhere is not a finding on its own - an extension that syncs your settings has to talk to its own server - but it is where your data can go, and who else it goes to.

  • Klaviyo

    Klaviyo Developer Tools sends data to Klaviyo. Named as a recipient in this extension's own analysis.

Updated 15 October 2026hfokchaapgnfbpeagdmjokfbkfbhiigo