eyeballer Overview
eyeballer provides U-Eyes, a comprehensive and user-friendly mobile device simulator designed as a Chrome extension. It is an indispensable tool for web developers, UI/UX designers, and QA testers who need to ensure their websites deliver a flawless experience on any mobile device. U-Eyes eliminates the need for expensive physical devices or resource-heavy emulators by integrating a powerful testing and visualization suite directly into your browser. With just a few clicks, you can see your website from your users' perspective, identify and fix responsive design issues, and create professional presentations effortlessly.
The extension is built for efficiency and simplicity. Its intuitive interface allows users to quickly switch between a vast library of popular mobile devices, including various models of iPhones, iPads, Samsung Galaxy, Google Pixel, and more. Whether you're performing a quick check or a detailed UI audit, U-Eyes provides the necessary tools to streamline your workflow and improve productivity.
How to use eyeballer
Getting started with eyeballer's U-Eyes extension is straightforward:
- Install the U-Eyes extension from the Chrome Web Store and pin it to your toolbar for easy access.
- Navigate to the website or web application you wish to test.
- Click the U-Eyes icon to activate the simulation environment.
- The control panel will appear. Click the device info panel at the top to open the device list and select your target device.
- Choose your preferred working mode: Manual Mode for precise, on-demand actions or Automatic Mode for batch processing.
- In Manual Mode, use the dedicated buttons to:
- Take a Screenshot: Captures the visible content without the device frame.
- Take a Device Shot: Captures the content along with the selected device's frame for a realistic mockup.
- Take a Full-Page Shot: Captures the entire scrollable length of the page.
- Start a Screencast: Records your interactions within the simulated device and saves it as a GIF.
- In Automatic Mode, simply paste a list of URLs, select the desired action (e.g., Device Shot), and let the extension automatically capture them for you.
- All generated files are saved locally to your computer for immediate use.
Core Features of eyeballer
- Extensive Device Library: Simulate dozens of popular mobile and tablet devices with accurate screen resolutions and user agents.
- Versatile Capture Options: Includes standard screenshots, device-framed mockups, full-page captures, and screen recording to GIF.
- Manual and Automatic Modes: Offers precise control for individual tests and hands-free automation for repetitive regression testing across multiple URLs.
- Customizable Settings: Adjust the delay before capturing a shot to allow animations to complete, and configure the playback speed of screencast GIFs.
- Client-Side Processing: All operations are performed locally in your browser, ensuring your data remains private and secure. No data is transmitted to external servers.
- Free High-Quality Mockups: In addition to the extension's features, eyeballer provides a separate library of downloadable high-resolution PNG device mockups for non-commercial projects.
- Lightweight and Fast: Runs efficiently as a browser extension without consuming the significant memory and CPU resources required by traditional emulators.
Use Cases for eyeballer
eyeballer is a versatile tool suitable for various professional scenarios:
- Responsive Web Development: Developers can instantly check how their code renders on different devices, catching layout bugs early in the development cycle.
- UI/UX Design and Review: Designers can preview their designs in a realistic context, test user flows, and create high-fidelity mockups for presentations.
- Quality Assurance Testing: QA engineers can use the tool to perform manual or automated visual regression tests, documenting defects with clear, device-framed screenshots.
- Client Presentations and Demos: Create compelling demonstrations and project updates by showcasing the website's mobile functionality with screencasts and professional-looking mockups.
- Marketing and Portfolio Building: Generate polished visuals of websites and applications within device frames for use in marketing materials, case studies, and personal portfolios.
Advantages of eyeballer
The primary advantage of eyeballer is its combination of power, simplicity, and cost-effectiveness. It is completely free to use, making professional-grade responsive testing accessible to everyone. By operating as a lightweight browser extension, it integrates seamlessly into existing workflows, saving significant time and effort compared to clunky standalone applications. The focus on local data processing provides a crucial layer of security and privacy. Finally, the inclusion of both manual and automated modes makes it adaptable to both quick spot-checks and large-scale, routine testing.
Pricing and Plans
eyeballer and its U-Eyes extension are completely free to use. The tool provides all its features, including device simulation, screenshots, screencasts, and automated testing, without any cost or hidden fees. The high-quality device mockups available on the website are also free for non-commercial use.
Traffic
Latest traffic
Status
Monthly traffic trend
- 2025-9: 19.5K
- 2026-1: 22.6K
- 2026-2: 12.2K
- 2026-3: 13.0K
- 2026-4: 16.2K
- 2026-5: 16.2K
Geography
Top 5 countries / regions
- 🇳🇬Nigeria31.4%
- 🇰🇭Cambodia26.1%
- 🇻🇳Vietnam18.7%
- 🇧🇷Brazil12.8%
- 🇮🇩Indonesia11.0%
Top keywords
| Keyword | Cost per click |
|---|---|
| mobile simulator | $0.73 |
| mobile simulator chrome extension | $0.00 |
| mobile simulator extension | $3.47 |
| mobile view extension | $0.00 |
| smartphone simulator chrome extension | $0.00 |
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