Dev tools · alternatives · 2026
24 alternatives to ScreenSync
Instantly preview responsive layouts in browser
Below are 24 products that do a similar job, ranked by how close each is in meaning and then by launch-day votes. Prices are shown for the 1 we have checked on their own sites, 1 of them free or with a free tier.
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View multiple screen dimensions in one view
2019 · chromewebstore.google.com · its alternatives →
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Take responsive screenshots with the click of a button
2017 · its alternatives →
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Hey HN! We do a lot of frontend testing, and one thing we find frustrating is the limited tooling available to observe how a URL renders on different viewports/devices simultaneously. For example, we can use Chrome Inspector's "Device" previews, but we run into the following: - Chrome doesn't keep those devices/viewports up to date, and adding new ones is pretty annoying (we've open sourced our collection of 180+ viewports/dimensions under MIT). - You can’t see multiple viewports at once (and it’s cumbersome switching back and forth) - When you notice a problem, there's no…
2024 · viewport-tester.com · its alternatives →
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DesignSync▲84Overlay Figma & screenshots directly on-screen for fast QA
2025 · apps.apple.com · its alternatives →
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Screen – screen sharing for remote work, by the cofounder of Screenherofree tier, from $25/mo▲406Work together like you’re in the same room. Supports Mac, Windows, Linux, iOS, Android, Safari, Firefox & Chrome.
2020 · screen.so · its alternatives →
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Screen Size Map▲206An interactive map of screen sizes for responsive web design
2019 · screensizemap.com · its alternatives →
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Screenshot Rocks▲193Beautiful browser & mobile mockups in one click
2020 · chromewebstore.google.com · its alternatives →
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Bring your team closer to you. One click to share and remote control any window. Get things done together like never before.
2019 · coscreen.co · its alternatives →
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Frontend Center▲105Screencasts on the web platform for web professionals.
2017 · frontend.center · its alternatives →
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Screenhance▲168Make product screenshots look launch-ready in minutes
Dec 2025 · screenhance.com · its alternatives →
- 13TY
2013 · mobilewebsim.jonahkatz.me · its alternatives →
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Responsive View▲216Test your responsive design across different devices
2016 · responsiv.eu · its alternatives →
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Chrome Extension for designers to test responsive websites.
2014 · its alternatives →
- 17
U-Eyes▲121A Chrome Extension for simulating and capture mobile view
2023 · eyeballer.dev · its alternatives →
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Generates a full-length web page screenshot for free
2019 · its alternatives →
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Am I Responsive▲108see your website in multiple screen resolutions
2014 · fireship.dev · its alternatives →
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Viewports▲97Figma plugin to set screen sizes with market share in mind
2019 · figma.com · its alternatives →
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I built this tool because I needed to make YouTube Devlogs faster and annotating in DaVinci Resolve took hours. It allows you to annotate your screen (draw over other apps) and interact with your webcam in real-time (it supports up to 4 webcam configurations). The app was built from the ground up to reduce cognitive load to a minimum. All tools are spring-loaded and intuitive. Want to draw something? Just swipe. Want to write some text? Double-click. Want to zoom in on something? Scroll up. It's available for all 3 OS-es, and it's a one-time purchase that you can install on up to 5…
2025 · chromewebstore.google.com · its alternatives →
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Ranked by how close each launch is in meaning, then by votes. Prices were read from each product’s own site when checked and can change. Refine with your own description →