Compare designs with live webpages, directly in your browser.
Compare live webpages with the original design, annotate visual differences, and export professional review reports.
Overlay design files on live webpages
UI Overlay is a Chrome extension for frontend developers, designers, QA, and agencies that need to validate implementation fidelity against the original design.
Complete the visual review loop in 4 steps
- Upload the exported design from the control panel and overlay it on the live webpage.
- Annotate spacing, layout, and visual differences directly on the page.
- Export a review report with screenshots, notes, and issue context.
- Adjust styles against the overlay until the implementation matches the design.