Alternatives

Products that do what ScreenSync does

Instantly preview responsive layouts in browser

1. 1
   Responsive Viewer▲396

   View multiple screen dimensions in one view

   2019

2. 2
   Responsively▲461

   Develop responsive web-apps 5x faster

   2020

3. 3TY
   Test your website on 180+ device viewports (with multi-device mode)▲74

   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

4. 4
   Screenity▲878

   The most powerful screen recorder for Chrome

   2020 · chromewebstore.google.com

5. 5
   Responsive Screenshots▲358

   Take responsive screenshots with the click of a button

   2017

6. 6
   DesignSync▲84

   Overlay Figma & screenshots directly on-screen for fast QA

   2025

7. 7
   Screen Size Map▲206

   An interactive map of screen sizes for responsive web design

   2019

8. 8
   Screenshot Rocks▲193

   Beautiful browser & mobile mockups in one click

   2020

9. 9
   Devsync▲328

   Visually edit CSS. Live-sync the result with your editor.

   2020

10. 10
    ScreenHint▲179

    Always-visible Snapshots

    2024

11. 11
    Screentell▲164

    A in-browser screen recorder featuring cinematic 3D effects

    Jan 2026

12. 12
    Screenhance▲168

    Make product screenshots look launch-ready in minutes

    Dec 2025

13. 13LS
    Linkpreview, see how your sites looks in social media and chat apps▲362

    2024 · linkpreview.xyz

14. 14
    Instacap▲127

    Async annotation & visual feedback

    2022

15. 15
    Responsive View▲216

    Test your responsive design across different devices

    2016

16. 16
    Dimensions Toolkit▲104

    Chrome Extension for designers to test responsive websites.

    2014

17. 17
    U-Eyes▲121

    A Chrome Extension for simulating and capture mobile view

    2023

18. 18
    Screenful▲164

    Visualize your project progress on large screens

    2015

19. 19
    Full Page Screen Capture▲110

    Generates a full-length web page screenshot for free

    2019

20. 20
    Multi Screen Test▲216

    Test your site at different screen resolutions & devices.

    2015

21. 21
    Screenshot Tracker▲196

    Capture and keep track of full-sized web page screenshots

    2020

22. 22
    WebRemarks▲113

    Capture your screen, share everywhere

    2022

23. 23
    Am I Responsive▲108

    see your website in multiple screen resolutions

    2014

24. 24
    Viewports▲97

    Figma plugin to set screen sizes with market share in mind

    2019

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