Catch breakpoints before anyone else does

Apply adaptive grid overlays to any device view to check alignment, spacing, and layout consistency at a glance
See every screen size at once with 300+ built-in device presets for iPhones, Android phones, tablets, and desktops—or add your own
Sync scroll and click actions across all panes to test interactive elements across every breakpoint simultaneously
Stack, reorder, and zoom device panes vertically or horizontally to match your exact workflow

Edit any element without opening DevTools

Click any element to instantly surface its colors, sizes, margins, and padding in a clean visual breakdown
Measure pixel distances between elements by selecting one and hovering over another—with values displayed in real time
Edit any CSS value directly in the Inspect tool and watch changes apply live across your workspace
Track every CSS and content edit in the Activity tab, so all your changes are logged in one place and easy to review or revert

Fix SEO issues in a snap

Surface key on-page SEO data for any page, including meta tags, headings, image alt text, and canonical tags
Identify missing or broken SEO elements on your pages before they affect your rankings
Check how your site's metadata renders across different device views simultaneously
Export findings directly so you can act on them or share with your team without switching tools

Check how your site looks for every visitor

Simulate vision impairments like color blindness, low contrast, and full blindness—directly on your live site
Run AA/AAA color contrast ratio checks and extract every color used on the page in a single click
Catch accessibility issues early rather than discovering them after launch or in a compliance audit