Before / After Slider for Chrome
Capture a baseline snapshot of the page, edit live CSS or text, and drag an interactive split-screen slider to compare changes.
Replaces:
Visual Diff OverlayUI Compare
Why Developers Switch to OmniDev
Installing a separate browser extension just for before / after slider bloats Chrome memory, adds permission risk, and clutters your toolbar. OmniDev integrates Before / After Slider natively alongside 53 other frontend and QA tools.
Capture a baseline snapshot of the page, edit live CSS or text, and drag an interactive split-screen slider to compare changes.
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 Visual Diff Overlay, UI Compare 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 "Before / After Slider" under the Utilities category (or search "Before / After Slider" 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 — Before / After Slider
Is the Before / After Slider tool in OmniDev completely free?
Yes. Before / After Slider and all 54 tools in OmniDev are 100% free to use with no account signup or paywall.
Does Before / After Slider send my webpage data to an external server?
No. Before / After Slider 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 Before / After Slider replace?
Before / After Slider replaces single-purpose extensions such as Visual Diff Overlay, UI Compare, saving browser RAM and reducing extension permission sprawl.
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Every tool below is included in the same single Chrome extension install.
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Get Before / After Slider + 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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