SnapDiff docs
Capture screenshots, compare UI changes, and share clear visual feedback.
Capture a page, compare what changed, and show your team exactly what needs attention. Your screenshots stay in your browser until you choose to export them.
Official Chrome Web Store listing.
Official Firefox Add-ons listing.
Desktop Chrome 120+ or Firefox 153+. See browser features.
Start here
Your first capture
Install SnapDiff and save a screenshot. No account needed.
Compare two versions
Review screenshots side by side and inspect visual changes.
Annotate and share
Point out a detail and export feedback for your team.
Completely free
Every feature is included, with no paid plan or activation key.
One review, from capture to handoff
Choose a review
SnapDiff includes unlimited capture, visual review, and local accessibility checks for free:
- A/B comparison: see what changed between two versions.
- Responsive review: inspect layouts at different viewport sizes.
- Language simulation: review a site's localized content.
- Accessibility checks: SnapDiff scans pages locally and saves findings alongside screenshots.
- UI review: capture states and share focused feedback.
See browser compatibility for the features available in your browser.
Looking for something specific? Read about local storage and privacy or find a quick answer in Help.