Responsive Preview for Chrome
Preview responsive device dimensions and multi-screen layouts to catch mobile and tablet overflow issues.
Replaces:
Responsive ViewerSimulator
Why Developers Switch to OmniDev
Installing a separate browser extension just for responsive preview bloats Chrome memory, adds permission risk, and clutters your toolbar. OmniDev integrates Responsive Preview natively alongside 53 other frontend and QA tools.
Preview responsive device dimensions and multi-screen layouts to catch mobile and tablet overflow issues.
Runs inside an isolated Shadow DOM panel so host page styles never break or leak
Zero background RAM overhead when idle — lazy-loaded on demand in milliseconds
Replaces standalone Responsive Viewer, Simulator extensions inside a single 54-in-1 toolkit
Shadow-DOM isolated • Zero host-page CSS leakage
STEP 01
Install OmniDev from the Chrome Web Store and open the popup or press your custom shortcut.
STEP 02
Select "Responsive Preview" under the Utilities category (or search "Responsive Preview" in the launcher).
STEP 03
Inspect, capture, or export results directly on the live page — 100% locally in your browser.
Frequently Asked Questions — Responsive Preview
Is the Responsive Preview tool in OmniDev completely free?
Yes. Responsive Preview and all 54 tools in OmniDev are 100% free to use with no account signup or paywall.
Does Responsive Preview send my webpage data to an external server?
No. Responsive Preview runs locally inside your browser tab. OmniDev is architected local-first and never uploads your DOM, storage, or network payloads to a Jambo backend.
Which standalone Chrome extensions does Responsive Preview replace?
Responsive Preview replaces single-purpose extensions such as Responsive Viewer, Simulator, saving browser RAM and reducing extension permission sprawl.
More Utilities Tools in OmniDev
Every tool below is included in the same single Chrome extension install.
Explore All 54 Tools
Text Edit Mode
Make any text on the live webpage directly editable to test copywriting, localization length, and headline overflow.
Asset Explorer (Asset Spy)
Discovers, previews, filters, and bulk-downloads all images, inline SVGs, icons, and CSS background assets on the page.
Tailwind Converter
Click any element on any website to convert its computed CSS styles into clean Tailwind CSS utility classes.
Data Scraper
Point-and-click visual DOM scraper to extract repeating lists, tables, and structured data into CSV or JSON.
Viewport Switcher
Resizes the actual browser window to exact mobile, tablet, and desktop presets and restores your original window size in one click.
Dark Mode Toggle
Force toggle dark, light, dim, or sepia color schemes and `prefers-color-scheme` themes on any website.
Get Responsive Preview + 53 More Tools in 1 Click
Stop cluttering Chrome with dozens of single-purpose extensions. Install OmniDev free and run everything locally.
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