Enhancing Forms Accessibility with useId Hook

When building forms, accessibility is about more than labels and colors — it’s about ensuring every user can interact with our app smoothly, including those using screen readers.

In HTML, linking a <label> with its <input> via the for and id attributes enables assistive technologies to announce input labels correctly. But in React, when components are rendered multiple times — especially in lists or reusable inputs — manually assigning IDs can easily lead to duplicates or mismatched labels.

React solves this problem elegantly with the useId Hook, which generates a unique, stable identifier for each rendered component instance.

Understanding useId Hook

The useId Hook provides a unique ID that’s consistent across renders and predictable for server and client rendering — making it ideal for forms, list items, and accessibility labels.

Here’s why it’s powerful: