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Limit Characters in Webflow Form Fields - Derek Siu Headshot smiling

Taught by:

Derek Siu

Ensuring your Webflow forms are user-friendly and functional is essential for a seamless user experience. One way to enhance your forms is by limiting the number of characters that can be entered in form fields. This is particularly useful for input fields such as text areas and single-line text fields where you want to control the amount of information users can enter. In this tutorial, we'll guide you through the process of setting character limits in Webflow form fields using custom attributes.

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Why Limit Characters in Form Fields?

Limiting characters in form fields can:

  • Improve Data Quality: Prevent users from entering too much or irrelevant information.
  • Enhance User Experience: Provide users with clear expectations and prevent frustration.
  • Ensure Design Consistency: Maintain the layout and aesthetics of your form by controlling input lengths.

Step-by-Step Guide to Limiting Characters in Webflow Form Fields

Step 1: Set Up Your Form in Webflow

  1. Open Your Webflow Project: Log in to your Webflow account and open the project where you want to add character limits.
  2. Add a Form Element: From the Add panel, drag a Form block onto your page.
  3. Insert Form Fields: Within the Form block, add the necessary form fields (e.g., text fields, text areas) where you want to limit characters.

Step 2: Add Custom Attribute to Limit Characters

Webflow allows you to add custom attributes directly to form fields to limit characters.

  1. Select the Form Field: Click on the form field you want to limit (e.g., a text field or text area).
  2. Open Element Settings: Go to the Element Settings panel.
  3. Add a Custom Attribute: Click on the "Custom Attributes" section and add a new attribute.
    • Name: Enter maxlength.
    • Value: Enter the desired character limit (e.g., 100).

Step 3: Provide User Feedback (Optional)

To enhance user experience, consider adding a character counter that displays the remaining characters.

  1. Add a Character Counter: Add a text element near the form field to serve as a character counter.
  2. Bind Counter to Form Field: Use Webflow interactions to update the character counter dynamically as users type. This may require some custom JavaScript if Webflow interactions alone cannot achieve the desired functionality.

Step 4: Test Your Form

  1. Preview Your Design: Use the Webflow preview mode to test your form.
  2. Enter Text in Form Fields: Ensure that the character limits work as expected.
  3. Adjust as Necessary: Fine-tune the attributes and interactions to ensure everything functions and looks great.

Tips for Optimizing Character Limits

  • Keep it Simple: Avoid overloading forms with too many restrictions, which can frustrate users.
  • Maintain Consistency: Apply the same character limits across similar fields for a cohesive user experience.
  • Accessibility: Ensure that any character counters or feedback mechanisms are accessible to all users.


Adding character limits to Webflow form fields is a straightforward process that can significantly improve the user experience and data quality of your forms. By following this step-by-step guide, you can ensure that your forms are both functional and user-friendly. Start implementing character limits in your Webflow forms today and see the difference they can make!

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