Date Add / Subtract Calculator
About Form Label Checker
The HTML Form Accessibility & Input Labeling Auditor verifies that all `<input>`, `<select>`, `<textarea>`, and interactive form controls are properly associated with explicit `<label for="...">`, wrapping `<label>`, or `aria-labelledby` attributes according to WCAG 2.1 SC 1.3.1 and SC 3.3.2.
How to Use Form Label Checker
Step 1
Paste your form HTML markup into the code editor.
Step 2
Click "Audit Form Labels".
Step 3
Review orphaned inputs and missing accessible name warnings.
Step 4
Click "Copy Remediated HTML".
Practical Use Cases for Form Label Checker
Web Form Accessibility & Screen Reader Form Mode Verification
Verify that text fields, checkboxes, and dropdowns announce their descriptive purpose when focused by screen readers.
Design System Form Component Unit Auditing
Audit custom React, Vue, and Angular input components to ensure `id` and `htmlFor` props match accurately and placeholder text is not used as a sole label.
Input & Output Examples
Auditing Input with Placeholder Only (No Label)
HTML: `<input type="email" placeholder="Enter email" id="em" />`
Status: `FAIL (Unlabeled Form Control)` | Fix: `<label for="em">Email Address</label><input type="email" id="em" placeholder="user@example.com" />`
Key Features & Performance
- ✓Label Association Engine: verifies explicit `for`/`id` binding, implicit wrapping `<label>`, `aria-label`, and `aria-labelledby`.
- ✓Placeholder Anti-Pattern Warning: flags inputs that rely exclusively on `placeholder` attributes for labeling.
- ✓Required & Error State Checker: verifies `aria-required="true"` and `aria-invalid` error associations with `aria-describedby`.
- ✓100% Client-Side memory execution.
- ✓1-Click Copy accessible form markup.
Key Terminology & Definitions
Explicit Form Labeling
Binding an HTML `<label>` to an input control using matching `for` and `id` attributes (`<label for="usr">User</label><input id="usr">`), expanding clickable hit area and screen reader accessibility.
Placeholder Anti-Pattern
The bad design practice of using input placeholder text instead of a persistent label, which disappears upon typing and creates severe cognitive and screen reader barriers.