Focus Order Visualizer
Visualize the keyboard tab order of any HTML — see exactly where focus lands and spot accessibility issues with tabindex and hidden elements
Normal focusableHas warning
No focusable elements.
Focus order is computed the same way browsers do: positive tabindex values fire first (in ascending order), then all tabindex="0" and naturally focusable elements (links, buttons, form fields) in document order. Avoid positive tabindex values — they almost always break keyboard navigation expectations.
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Color Blind Simulator
See how your images and colors appear to people with different types of color blindness (protanopia, deuteranopia, tritanopia, achromatopsia)
WCAG Contrast Checker (Batch)
Test multiple color pairs against WCAG AA/AAA contrast requirements at once — get a pass/fail matrix for your entire palette
Screen Reader Preview
Preview how your HTML will be announced by screen readers — see the accessible name, role, and reading order for each element