Test your site on every screen size

Pixefy
Adaptive grid overlay
Element inspect panel
SEO checker
Blindness simulation preview

Pixefy

-74%$19
$72
  • Lifetime access
  • Refundable up to 60 days
AppSumo Launchpad

Chosen by AppSumo for their potential and innovation

Testing if your website looks right across devices shouldn’t require switching tabs and resizing windows. Pixefy gives you everything you need to find, understand, and fix responsive issues—all from a single tab.

TL;DR

  • checkmarkPreview your site across 300+ device presets simultaneously with synced scrolling and clicks across all screen views
  • checkmarkInspect elements, test accessibility, check SEO, and capture screenshots—all without leaving the extension

At-a-glance

www.pixefy.io

Alternative to

BrowserStack

Integrations

Chrome, Firefox

Best for

Developers, Freelancers, Solopreneurs

Pixefy logo

Pixefy

Preview and debug your website's responsiveness across multiple devices and screen sizes—from one tab

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
Catch breakpoints before anyone else does

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
Edit any element without opening DevTools

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
Fix SEO issues in a snap

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
Check how your site looks for every visitor

Choose the plan that’s right for you

Feel secure in your purchase with AppSumo's 60 day money-back guarantee.

Recommended badgeRecommended
Refundable up to 60 days
Deal terms & conditions
Pixefy
See Pixefy
Founded June 1, 2024Founded June 1, 2024
🇱🇹Vilnius, Lithuania
1-101-10
StartupStartup
BootstrappedBootstrapped
Verified by PandaDoc

Effortless pixel-perfect reviews

Pixefy was developed to transform website feedback into a seamless process. By capturing every page and breakpoint with a single link, teams no longer juggle screenshots across email threads.

Users can leave point-and-click comments, annotate elements, assign tasks, and watch developers address issues in real time. No extensions or tool juggling—just one centralized hub for pixel-perfect reviews.

From landing pages to e-commerce stores and design presentations, Pixefy keeps everyone aligned on pixel-perfect accuracy, streamlining collaboration for agencies, freelancers, and in-house teams.

Paulius
Co Founder

Questions & reviews