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Pixefy lifetime deal
68% offAppsumolifetime-dealresponsive-testingbrowser-extensionweb-developmentcross-device-testingdeveloper-tools

Pixefy

Pixefy is a browser extension that previews your site on 300+ device presets at once, with synced clicks and scrolling, element inspection, accessibility and SEO checks, and screenshots from one tab.

About this deal

Your site looks fine on your monitor and broken on a phone you have never owned. Pixefy is a browser extension that previews your pages on 300+ device presets at once, so layout bugs surface before your visitors find them.

What Pixefy actually does

Pixefy lives in your browser as an extension, so responsive testing happens in the tab you already have open rather than in a separate platform you keep forgetting to check. Open it on any page and you can:

  • Preview a site across 300+ device presets simultaneously
  • Sync scrolling and clicks across every screen view
  • Inspect elements without switching tools
  • Run accessibility checks on the page you're viewing
  • Check SEO alongside the layout previews
  • Capture screenshots of any device view

The synced interaction is the part worth paying for. Click a dropdown once and you watch it open on a phone, a tablet, and an ultrawide desktop at the same time. Cross-device QA stops being twelve repetitions of the same click path and becomes a single pass. That alone beats the free workaround of dragging your browser window narrower and squinting.

The inspection tools matter more than they sound, too. Accessibility and SEO checks usually mean bouncing between separate extensions or web apps; here they sit next to the device previews, so you audit a page in the same pass where you check its layout. Screenshots come from the same panel, which helps when a client wants proof the mobile fix actually landed. None of this replaces a full audit suite, but for the daily build-check-fix loop it covers the checks you would otherwise skip.

Who it's built for

Freelance web developers and small agencies will get the most out of this. When you ship client sites, the bug report that stings most starts with "it looks broken on my phone" — Pixefy exists so you catch that before handoff, not after. Solo site owners fit too. If you run your own storefront or a content site and want to sanity-check a new landing page on real device dimensions, you can do it without a device lab or a paid testing service. And if designers review your builds, the screenshot capture gives you something concrete to drop into the ticket instead of a written description of what looks off.

The deal

License Tier 1 costs $23, down from $72, and covers 1 user. Tier 2 raises that to 5 users for $69, and Tier 3 covers 20 users for $139. The listed regular prices run as high as $1,400 for Tier 3, but the $23 entry tier is the easier number to judge it on: a small fix for a problem every site has. If you are working solo, Tier 1 does the job. Have a look at the deal on AppSumo and [pick it up here](https://www.grabltd.com/recommends/appsumo-pixefy/).

Plan & pricing·Lifetime access

Pick the plan that fits your stack

License Tier 1
$23$72
  • 1 Users
Most popular
License Tier 2
$69$360
  • 5 Users
License Tier 3
$139$1400
  • 20 Users

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FAQ

Questions buyers ask before they click

What is Pixefy and what does it do?+
Pixefy is a browser extension that lets you preview any live web page across 300+ device presets simultaneously from a single tab. Scrolling and clicks sync across every device view at once, so you can QA responsive layouts in a single pass instead of manually resizing your browser window.
Who is Pixefy built for?+
It's built for freelance web developers, small agencies, and solo site owners who need to catch mobile and tablet layout bugs before clients or visitors do. Designers who review builds will also find the screenshot capture and annotation tools useful for leaving concrete, visual feedback.
What browsers does Pixefy support?+
Pixefy is available as a Chrome extension and also has a Firefox add-on. Chromium-based browsers such as Brave and Edge can install the Chrome extension, though full compatibility on those browsers is not officially guaranteed by the developer.
Does Pixefy include any tools beyond device previewing?+
Yes. Alongside the multi-device preview, Pixefy includes in-page HTML and CSS inspection, accessibility checks, an SEO audit panel, full-page screenshot capture with annotations, user agent simulation, custom breakpoints, and viewport dimension utilities — all accessible from the same extension panel.
What integrations does Pixefy offer?+
Pixefy integrates with Linear and Trello so you can file a bug ticket directly from the extension. It also has a 'copy context for AI' button that generates a ready-made prompt including the file, element, and change description, which you can paste into Claude, Cursor, or any other AI coding assistant.
What are the plan tiers and refund terms?+
Tier 1 covers 1 user, Tier 2 covers 5 users, and Tier 3 covers 20 users — all as one-time purchases on AppSumo. All AppSumo lifetime deals come with a 60-day money-back guarantee, with all future Pro plan updates included.
How does Pixefy compare to browser DevTools resizing?+
Chrome DevTools lets you resize to one device at a time. Pixefy shows 300+ device presets simultaneously with synced interactions, so clicking a dropdown once lets you watch it behave across phone, tablet, and desktop at the same time — which turns a multi-step manual check into a single pass.

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