Open Beta Phase Notice - Our open beta may have some bugs. Rest assured, we're releasing updates weekly.
Other browser support upcoming

UI testing & reporting made easy

Save time identifying your websites responsive issues with our easy-to-use browser extension

QA engineers
UX UI Designers
Front end developers
Marketing managers
Business owners
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How it works

Only few easy steps and you're ready


01 / Start reviewing

Open extension, set up panes and enjoy synced event experience across all panes.

02 / Annotate

Found an issue? Instantly capture it with a screenshot, annotate and describe.

03 / Share

Group all issues together and share them with others or download instantly.
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Responsiveness 📱

Multiple screens in one tab

Experience the convenience of viewing all device screens simultaneously in a single tab. Say goodbye to toggling between mobile, tablet, and desktop views—every device perspective is now unified in one place.

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    Layout TestingCheck how your layout adapts on different screen sizes and resolutions.
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    Synced Mouse and Keyboard eventsActions you take on one pane automatically replicate across all others.
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    Live updatesText edits and image swaps made on one pane are instantly mirrored on the others.
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Other features that we implemented for better screen testing


User agent strings

Need to mimic a specific device? Use our user agent preset strings or insert your own.

Toggle X-Frame-Options Header

Bypass iframe restrictions and display content from any site by toggling the X-Frame-Options response header function.

Explore Device Profiles

Dive into Pixefy's vast array of built-in device profiles, or add your own custom devices for personalized testing.

Screenshots 📸

Snapshot & Download

Capture full webpages, visible sections, or make precise selections with ease. Download lightweight screenshots with a single click.

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    Full-page screenshots
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    Visible area snapshots
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    Custom selection captures
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Annotate your way (coming soon)

From drawing to adding arrows and blurring — customize messages your way

One-Click Screenshot Downloads

Instantly download all screenshots with a single click or get them individually

Copy to clipboard

Work seamlessly between apps
See all features

Upcoming next 🎩

Document Quickly

UX reviews & audits were never easier. Share your findings with your clients or download it with ease.

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    Content blocksAll your findings are represented as saved content blocks for your reports
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    Drag'n'dropDrag notes and screenshots into documents, rearrange them quickly
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    TemplatesChoose from different templates or create your own

Why should you choose Pixefy for your reviews?

The process of reviewing and testing websites often feels overwhelming, especially to those who built them. After testing many tools and extensions seeking to speed up audits, none satisfied our demand for speed. Thats why Pixefy was born, with a primary focus on streamlining your testing and auditing processes for better speed and efficiency.


It's for QA testers

Write and document tests label and link your findings quickly with our documentation feature

It's for UX Audits

Never struggle with documenting website issues again. Capture screenshots, add comments, and share with others.

It's for Marketing gurus

Modify website content and see how it adjusts across different resolutions. Keep tweaking until you're completely satisfied.

Explore All Features

A wide array of features has been implemented, with more innovations on the way. Keep an eye out for more!

Measure Chrome Tabs Easily

Drag your browser and instantly access every dimension you need.

Sync / Unsync

Events across all panes are automatically kept in sync.

Orientation Switcher

Swap the viewport dimensions to replicate changing the orientation of your device.

Screen Size Standards

Ensure your design looks great on devices with the most popular screen resolutions.

Zoom Control

Individually zoom in or out on each pane for detailed viewing and adjustments.

Bypass iFrame Restrictions

Access any website, even those typically restricted from iFrame viewing, with ease.

Test on Real Devices

Discover how your design appears on actual devices using our user agent feature.

Text & Image Insights

Get real-time character counts for your text and sizes for every image, all at a glance.

Instant Content Editing

Modify text or swap images across the web and see updates reflected in other panes immediately.

Easy Screenshot Tool

Grab a screenshot of what's visible in your pane, whether it's just a portion or the full page.

Stay Tuned

New features are on the horizon

We help real people do more in less time

Users Satisfaction
Decreased Time
Money saved

Built-in 🔎

Add Inspect Magic

Every customer journey is unique. Use our extension alongside Chrome's Inspect for unparalleled flexibility and tailored solutions.

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What Our Users Are Saying

See what our customers love about us.

Viktorija Paškevičiūtė

A helpful extension from a QA perspective. It allows me to use different user agents quickly and go through different device views of web pages.
Quality Engineer - Bigbank

Daumantas Vladarskis

Speaking as a designer, this tool really helps me out with checking website responsiveness. It's so easy to use, and I don't have to mess around dragging browser windows anymore. Saves me a ton of time.
Senior UI Designer - LRT

Rokas Vedlūga

Working with web projects 10+ years I can say this tool makes testing so much faster! Literally in minutes I can check responsiveness and other parameters and feedback them to the tech team. Love it!
Marketing Manager - ConnectPay

Responsive design checker at your fingertips

Free forever


Quick Answers

Discover answers to our most frequently asked questions

Does Pixefy extension accurately render as real devices?

The Pixefy extension uses user agent strings aiming to display pages nearly identical to actual devices, although it may not provide 100% accuracy.

Can the extension be used on all websites?

Due to security restrictions from Google's Manifest V3, some websites may not be accessible with the extension. However, the majority of sites are.

Does Pixefy render the page with the same engine as the browser?

Yes, Pixefy is built as extension for browser and uses as its native rendering engine. For now we support Chrome, but soon we will release an update for all other popular browsers.

Where can I request new features?

You can request features through this link or on our Google Chrome Store support page, please contact us here.

Is a Paid Version Coming After the Beta?

Pixefy will continue to be available for free, but we will indeed launch a paid version after the beta period.

How do I update the extension?

The extension automatically updates to the latest version once you restart your browser, if an update is available.

Ready to get Started?

Install extension for free

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