Best alternatives to Responsive Viewer (2026)
10 Chrome extensions that do a similar job to Responsive Viewer, closest first. Each shows real store users, its rating, how recently it was updated and how many permissions it asks for.
Responsive Viewer today
Responsive Viewer alternatives, compared
- 1
Mobile View: Test responsive designs fast
Test your responsive designs on multiple devices at once.
≈20K users4.2★ from 41 ratingsNot updated for 2+ years7 permissions- About 20× fewer users than Responsive Viewer
- Updated less recently
- Asks for more permissions (7 vs 6)
- 2
Mobile Simulator MSIM Responsive Viewer
Professional mobile device simulator with multiple views, extensive device library, and sync scrolling
≈1K users5.0★ from 9 ratingsUpdated 8 weeks ago3 permissions- About 400× fewer users than Responsive Viewer
- Asks for fewer permissions (3 vs 6)
- 3
Mobile View: Device Emulator & Responsive Tester
Mobile simulator and responsive design tester. Compare phone, tablet and desktop views, sync scrolling and capture screenshots.
≈2K users4.7★ from 12 ratingsUpdated in the last day10 permissions- About 200× fewer users than Responsive Viewer
- Updated more recently
- Asks for more permissions (10 vs 6)
- 4
Responsive Check!!
Split the page being viewed into two. In the case of a responsive site, it will become possible to check the smart phone and the PC…
≈3K users4.8★ from 4 ratingsNot updated for 4+ years1 permissions- About 133× fewer users than Responsive Viewer
- Updated less recently
- Asks for fewer permissions (1 vs 6)
- 5
Responsive Image Linter
A Chrome extension to lint responsive images
≈2K users4.5★ from 8 ratingsUpdated 22 months ago4 permissions- About 200× fewer users than Responsive Viewer
- Updated less recently
- Asks for fewer permissions (4 vs 6)
- 6
Responsive Website Testing Toolkit - Multiple Viewport Simulator
An essential tool to test the responsiveness of any website on multiple screens simultaneously
≈6K users3.9★ from 23 ratingsUpdated 5 months ago6 permissions- About 67× fewer users than Responsive Viewer
- Rated 0.4 stars lower
- Updated less recently
- 7
Pixefy - Responsive Design Checker
Preview and debug your website’s responsiveness across multiple devices in real-time, all inside one browser tab.
≈10K users4.5★ from 35 ratingsUpdated 6 days ago15 permissions- About 40× fewer users than Responsive Viewer
- Rated 0.3 stars higher
- Asks for more permissions (15 vs 6)
- 8
JSON Viewer
Validates and makes JSON documents easy to read. Open source.
≈100K users4.2★ from 157 ratingsNot updated for 2+ years7 permissions- About 4.0× fewer users than Responsive Viewer
- Updated less recently
- Asks for more permissions (7 vs 6)
- 9
JSON Viewer Pro
A powerful JSON viewer and formatter that offers advanced features for developers and data analysts to visualise and analyse JSON
≈300K users4.6★ from 219 ratingsUpdated 7 weeks ago3 permissions- A similar number of users to Responsive Viewer
- Rated 0.4 stars higher
- Asks for fewer permissions (3 vs 6)
- 10
JSON Viewer
Makes JSON response easy to read.
≈5K users5.0★ from 2 ratingsUpdated 6 months agoNo special permissions- About 80× fewer users than Responsive Viewer
- Updated less recently
- Asks for fewer permissions (0 vs 6)
Responsive Viewer alternatives: questions
What is the best alternative to Responsive Viewer?
By users, the most popular alternative is JSON Viewer Pro with ≈300K users and a 4.6-star rating. The closest match by what it does is Mobile View: Test responsive designs fast.
Which Responsive Viewer alternative has the best rating?
JSON Viewer Pro has the highest rating of these alternatives with 50+ ratings: 4.6 out of 5 from 219 ratings.
Is there a Responsive Viewer alternative that asks for fewer permissions?
JSON Viewer asks for 0 permissions, against 6 for Responsive Viewer.
How many alternatives to Responsive Viewer are there?
We list 10 close alternatives to Responsive Viewer on the Chrome Web Store, picked by what they do and ranked by how close they are.
Users and ratings are the figures shown on the Chrome Web Store, re-checked continuously. Alternatives are matched on name, description, category and topic. Browse best-of lists by niche.