When it comes to subscriber fields, you have options.

By default, we only include first name and email address on your subscribers’ profiles, but it’s easy to create additional subscriber fields. (And yes, they can be added to your forms and landing pages.)

At ConvertKit, we refer to these as custom fields, and they can be used to store other types of information about your subscribers (such as their last name, phone number, favorite color, and so on).

NOTE: Are you looking to import an existing subscriber list that already has custom fields? If so, check out this tutorial instead!

Here’s how to create custom fields for your subscribers, step-by-step!

1. In your ConvertKit account, navigate to any subscriber’s profile

To get started, click into any subscriber from your list on the subscribers page to access their subscriber profile.

NOTE: Don't have any subscribers yet? No worries — just add yourself to your list as a single subscriber following this tutorial, then come back to this article. (You can always delete yourself from your list later, if you want!)

2. Under the subscriber’s first name field, click "+ Add a new field"

3. Enter your new custom field’s name & value

After clicking "+ Add a new field", you'll see two text boxes: one for field name, and one for field value.

  • Field name: What you are naming (or labelling) this field, such as "Last Name". This name is also internal for your reference, unless you choose to add it to your forms.

  • Field value: What information should be saved in this field for this subscriber, such as their actual last name. If you don't have specific information to add to this individual subscriber, you can leave the field value blank.

4. Click ‘Update Subscriber’

When you’re done, click the red ‘Update Subscriber’ button to save your changes.

Repeat for each custom field you want to add!

Once your custom fields are all created, you can add them to your forms and landing pages, set up automations based on their values, and more.

Considerations for custom fields

Here are some considerations to keep in mind when setting up your custom fields:

Our custom fields are not made for paragraphs.

As a result, our forms are not intended to be used as contact forms. If you need a contact form, we’d recommend checking out our Integrations page to find a suitable 3rd party form builder that integrates with ConvertKit, instead of using one of our forms directly.

All custom field data is stored as plain text.

For example, while you can store dates in custom fields, ConvertKit will not detect those values as dates, nor be able to perform date-based logic on their values. The date values will simply be stored as plain text.

Every custom field is available for every subscriber on your list.

Once you add a custom field to one subscriber’s profile, that custom field will become available for all of your subscribers, and will show on each of their profiles (even if its value is blank).

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