Every Question We've Heard

Does this work with HubSpot?

Yes. Link your HubSpot account and we write the cleaned names straight back to your contacts. Mailchimp works the same way. (Klaviyo connects with an API key.) Prefer to work from a file? The CSV upload works with any platform too.

Does this work with platforms other than Klaviyo?

Yes. Klaviyo, HubSpot, and Mailchimp all connect directly: Klaviyo with an API key you paste in, HubSpot and Mailchimp by linking your account in a couple of clicks. Either way we write the cleaned names back for you. The CSV upload works with any platform that accepts a CSV. ActiveCampaign and Shopify are on the roadmap. If you're on a platform you don't see, tell us. We build integrations based on what customers actually use.

Can I preview changes before they're applied?

Yes, always. We never auto-apply changes without showing you first. The preview shows original vs. cleaned with confidence scores for every record. You can approve all, approve selectively, or reject everything and request a manual review.

What happens to records you can't clean?

They go into a review queue with a flag and a reason code. You decide what happens to them. We never silently discard or guess on records we're not confident about.

Is my data safe?

For Klaviyo you paste in an API key you create; for HubSpot and Mailchimp you link your account directly, so we never see a password. Either way the connection is stored encrypted and you can revoke our access at any time. You see a full preview before any change, your original values are saved so you can restore in one click, and we don't sell or share your data.

Where do the cleaned names go?

Straight back to your list. Write them to Klaviyo, HubSpot, or Mailchimp with one click, export them to a new Google Sheet in your Google Drive, or download a CSV. You always see and approve the changes first.

What if I want to undo a clean?

Every clean saves your original first name before it writes anything. You can restore in one click from your dashboard, or we can bulk-restore on request.

What about names in other languages or scripts?

We handle Latin-script names across major Western languages. Names in non-Latin scripts (Arabic, Chinese, Japanese, Korean, Cyrillic, etc.) we leave untouched rather than guess. We don't want to damage data we can't evaluate properly.

How is this different from just using | capitalize or | title in Klaviyo?

Those are Liquid template filters. They change how Klaviyo displays the name at send time. They don't change the underlying profile data. The broken name is still in your database, still syncing dirty to any other tools connected to your Klaviyo account, still showing up in your exports. We fix the source, not the symptom.

How is this different from Insycle?

Insycle is a full CRM data management platform built for enterprise operations teams managing hundreds of thousands of records across Salesforce, HubSpot, and Marketo simultaneously. It starts at $299/month with a 25,000-record minimum and requires significant setup. We do one thing, clean first names, and we do it in two clicks for $49/month. If you need everything Insycle does, use Insycle. If you just need clean names, use us.

Will this keep working as my list grows?

That's exactly what the List Intake Monitor plan is for. It watches every new profile that enters your Klaviyo account and cleans it automatically. You set it up once and it runs in the background. New Meta leads, Shopify checkouts, CSV imports, all cleaned before they ever hit your flows.

Can I use this for a client without them having an account?

The Agency plan includes up to 10 connected Klaviyo accounts under one dashboard, with white-label reporting. You can run cleans on behalf of clients and deliver the change report as a client deliverable. Your client doesn't need their own account.

Questions we haven't answered? Ask us →

First Name Cleaner fixes your contact data, automatically and permanently.

First 1,000 records free. No credit card.