Design Overlay for Chrome
Upload a Figma or PNG mockup and overlay it transparently over your live webpage to verify pixel-perfect implementation.
Replaces:
PerfectPixelPixelParallel
Why Developers Switch to OmniDev
Installing a separate browser extension just for design overlay bloats Chrome memory, adds permission risk, and clutters your toolbar. OmniDev integrates Design Overlay natively alongside 53 other frontend and QA tools.
Upload a Figma or PNG mockup and overlay it transparently over your live webpage to verify pixel-perfect implementation.
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 PerfectPixel, PixelParallel 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 "Design Overlay" under the Inspect & Debug category (or search "Design Overlay" in the launcher).
STEP 03
Inspect, capture, or export results directly on the live page — 100% locally in your browser.
See How OmniDev Compares
Detailed side-by-side comparisons against standalone Chrome extensions:
Frequently Asked Questions — Design Overlay
Is the Design Overlay tool in OmniDev completely free?
Yes. Design Overlay and all 54 tools in OmniDev are 100% free to use with no account signup or paywall.
Does Design Overlay send my webpage data to an external server?
No. Design Overlay 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 Design Overlay replace?
Design Overlay replaces single-purpose extensions such as PerfectPixel, PixelParallel, saving browser RAM and reducing extension permission sprawl.
More Inspect & Debug Tools in OmniDev
Every tool below is included in the same single Chrome extension install.
Explore All 54 Tools
CSS Scanner
Inspect CSS properties, computed styles, box model dimensions, and typography natively on hover over any element.
Tailwind Scanner
Instantly view and copy Tailwind CSS utility classes applied to any DOM element on hover.
Font Explorer (Font Spy)
Scans and lists all font families, weights, line heights, letter spacing, and live typography usage on the webpage.
Color Picker
Precision pixel-level magnifying eyedropper to sample any color on screen in HEX, RGB, or HSL.
Color Palette (Color Spy)
Scans the entire webpage to extract a deduplicated visual color palette of text, background, and border colors.
Console Spy
Stream console.log, warnings, uncaught exceptions, and runtime errors directly in an on-page overlay without opening DevTools.
Get Design Overlay + 53 More Tools in 1 Click
Stop cluttering Chrome with dozens of single-purpose extensions. Install OmniDev free and run everything locally.
Install OmniDev for Free